| Volume 27 Number 6 December 1998 ORIGINAL ARTICLES Excretion of pathogenic Newcastle disease virus by double-crested cormorants (Phalacrocorax auritus) in absence of mortality or clinical signs of disease/T. Kuiken, R. A. Heckert, Jos Riva, F. A. Leighton & G. Wobeser/541 Antibody response detected by immunoblot in respiratory tract washings of chickens after infection with Mycoplasma gallisepticum/H. Ellakany, Katalin F bi n, I. N meth & L. Stipkovits/547 Psittacine beak and feather disease infected cells show a pattern of apoptosis in psittacine skin/K. Trinkaus, S. Wenisch, R. Leiser, M. Gravendyck & E. F. Kaleta/555 Detection of NDV-specific antibodies and the level of protection provided by a single vaccination in young chickens/G. Czifra, J. M sz ros, E. Horv th, V. Moving & B. E. Engstr m/562 Effect of Poultry Litter Treatment® (PLT®) on the development of respiratory tract lesions in broilers/ M. Terzich, C. Quarles, M. A. Goodwin & J. Brown/566 Aflatoxin and immunity in layer hens/A. H. Azzam & M. A. Gabal/570 Antigenic and immunogenic characterization of infectious bronchitis virus strains isolated in China between 1986 and 1995/Z. Q. Wu, Q. W. Yang, C. Fu, X. Y. Zhao & J. Ignjatovic/578 Effect of enrofloxacin administration on excretion of Salmonella enteritidis by experimentally infected chickens and on quinolone resistance of their Escherichia coli flora/P. A. Barrow, M. A. Lovell, G. Szmolleny & C. K. Murphy/586 Development of antibiotic resistance in Mycoplasma gallisepticum in vitro/A. Zanella, P. A. Martino, A. Pratelli & M. Stonfer/591 Administration of Salmonella enteritidis-immune lymphokine to day-old turkeys by subcutaneous, oral and nasal routes: a comparison of effects on Salmonella enteritidis liver invasion, peripheral blood heterophilia and heterophil activation/K. J. Genovese, V. K. Lowry, L. H. Stanker & M. H. Kogut/597 Different CO2 levels during incubation interact with hatching time and ascites susceptibility in two broiler lines selected for different growth rate/N. Buys, E. Dewil, E. Gonzales & E. Decuypere/605 Identification of seven Eimeria species in Swedish domestic fowl/P. Thebo, A. Lund n, A. Uggla & P. Hooshmand-Rad/613 Further studies on the use of a polymerase chain reaction test for the diagnosis of infectious coryza/X. Chen, C. Song, Y. Gong & P. J. Blackall/618 The use of homologous virus in the haemagglutination-inhibition assay after vaccination with Newcastle disease virus strain La Sota or Clone30 leads to an over estimation of protective serum antibody titres/R. A. Maas, H. L. Oei, S. Kemper, G. Koch & L. Visser/625 The use of virus isolation, histopathology and immunoperoxidase techniques to study the dissemination of a chicken isolate of avian pneumovirus in chickens/E. Catelli, J. K. A. Cook, J. Chesher, S. J. Orbell, M. A. Woods, W. Baxendale & M. B. Huggins/632 SHORT COMMUNICATION Naturally-occurring adenovirus-associated gastrointestinal lesions in Coturnix (Coturnix coturnix) quail/ S. S. Tsai, T. C. Chang, G. N. Chang, R. S. Chern, M. S. Chien & C. Itakura/641 CASE REPORT Bilateral seminoma in a duck (Anas platyrhynchos)/A. G. Ganorkar & N. V. Kurkure/644 NEWS WVPA officers and Corresponding Secretaries; Symposium on Infectious Bronchitis and Avian Pneumovirus Infections; XIIth World Veterinary Poultry Association Congress; Houghton Trust International Travel Grants; Bart Rispens Research Award/646 TITLE-PAGE, VOLUME CONTENTS, AUTHOR AND SUBJECT INDEXES, 1998/651 Volume 27 Number 5 October 1998 REVIEW ARTICLE Avian amyloidosis/W. J. M. Landman, E. Gruys & A. L. J. Gielkens/437 ORIGINAL ARTICLES A double antibody sandwich ELISA for rapid diagnosis of virus infection and to measure the humoral response against infectious bursal disease on clinical material/T. C. Cardoso, R. L. M. Sousa, A. C. Alessi, H. J. Montassier & A. A. Pinto/450 Pathogenicity of Mycoplasma gallisepticum and Mycoplasma imitans in red-legged partridges (Alectoris rufa)/Kannan Ganapathy & Janet M. Bradbury/455 Transmission of infectious bronchitis virus within vaccinated and unvaccinated groups of chickens/J. J. de Wit, M. C. M. de Jong, A. Pijpers & J. H. M. Verheijden/464 The development and evaluation of two tissue culture-grown Marek's disease challenge viruses/D. B. de Laney, C. J. Morrow, Kelly M. Read & G. A. Tannock/472 Quantification of the herpesvirus content in various tissues and organs, and associated post mortem lesions of psittacine birds which died during an epornithic of Pacheco's parrot disease (PPD)/M. Gravendyck, Elisabeth Balks, Astrid-Sabine Schr der-Gravendyck, U. Eskens, H. Frank, Rachel E. Marschang & E. F. Kaleta/478 Development of a diagnostic PCR assay for the detection and discrimination of four pathogenic Eimeria species of the chicken/Beate E. Schnitzler, Per L. Thebo, Jens G. Mattsson, Fiona M. Tomley & Martin W. Shirley/490 Effect of the anticoccidial agents halofuginone and monensin when given with growth promoting antibiotics upon the control of coccidiosis in the turkey/H. D. Chapman, J. Sandstrom & S. W. Breeding/498 Development and application of an aerosol challenge method for reproduction of avian colibacillosis/Carol A. Ginns, G. F. Browning, Michelle L. Benham & K. G. Whithear/505 Central nervous system lesions induced experimentally by a very virulent strain of Marek's disease virus in Marek's disease-resistant chickens/K-O. Cho, D. Endoh, J-F. Qian, K. Ochiai, M. Onuma & C. Itakura/512 Defective immune response and failure to induce oral tolerance following enteral exposure to antigen in broilers afflicted with stunting syndrome/Aharon Friedman, Ilan Aryeh, Doron Melamed & Israel Nir/518 SHORT COMMUNICATIONS Oro-pharyngeal protozoa in captive bustards: clinical and pathological considerations/C. D. Silvanose, J. H. Samour, J. L. Naldo & T. A. Bailey/526 Erratum/531 NEWS International Travel Grants/532; Bart Rispens Research Award/532 Volume 27 Number 4 August 1998 REVIEW ARTICLE Adenovirus infections in pigeons: a review/Monita Vereecken, P. de Herdt & R. Ducatelle/333 ORIGINAL ARTICLES Molecular characterization of a plasmid isolated from Riemerella anatipestifer/C. F. Chang, P. E. Hung & Y. F. Chang/339 Muscle degeneration in chicks caused by Senna occidentalis seeds/M. Haraguchi, S. L. G rniak, E. E. Calore, M. J. Cavaliere, P. C. Raspantini, N. M. P. Calore & M. L. Z. Dagli/346 Isolation and characterization of avian paramyxovirus type 1 (Newcastle disease) viruses from a flock of ostriches (Struthio camelus) and emus (Dromaius novaehollandiae) in Europe with inconsistent serology/P. H. J rgensen, J. Herczeg, B. Lomniczi, Ruth J. Manvell, E. Holm & D. J. Alexander/352 Developmental intestinal aerobic microflora in the kori bustard (Ardeotis kori)/J. L. Naldo, C. D. Silvanose, J. H. Samour & T. A. Bailey/359 A laboratory method for the single-passage selection of drug-resistant mutants from populations of Eimeria species in chickens and its potential value in the choice of field use concentrations for new anticoccidial drugs/R. B. Williams/366 Phenotypic and genotypic characters of isolates of Pasteurella multocida obtained from back-yard poultry and from two outbreaks of avian cholera in avifauna in Denmark/J. P. Christensen, H. H. Dietz &M. Bisgaard/373 Studies on Ascaridia galli in chickens kept at different stocking rates/A Permin, P. Nansen, M. Bisgaard, F. Frandsen & M. Pearman/382 Further studies on allopurinol-induced hyperuricaemia and visceral gout in red-tailed hawks (Buteo jamaicensis)/J. T. Lumeij, E. P. M. Sprang & P. T. Redig/390 The effect of parenteral iron dextran, with or without desferrioxamine, on the development of experimental pseudotuberculosis in the domestic chicken/S. C. Cork, R. B. Marshall & S. G. Fenwick/394 Experimental assessment of the pathogenicity of two avian influenza A H5 viruses in ostrich chicks (Struthio camelus) and chickens/R. J. Manvell, P. H. J rgensen, O. L. Nielsen & D. J. Alexander/400 Use of microscopic lesion scores, gross lesion scores and oocyst count scores to detect Eimeria maxima in chickens/Mark A. Goodwin, John Brown & Denise I. Bounous/405 Epidemiological classification of infectious bronchitis virus isolated in Korea between 1986 and 1997/C-S. Song, Y-J. Lee, J-H. Kim, H-W. Sung, C-W. Lee, Y. Izumiya, T. Miyazawa, H-K. Jang & T. Mikami/409 SHORT COMMUNICATIONS Differential diagnosis of two paralytic conditions affecting young chickens with emphasis on PCR findings/Irit Davidson, Yoram Weisman, Shmuel Perl & Mertyn Malkinson/417 Atoxoplasma spp. in a hybrid passerine (Serinus canarius Carduelis cannabina)/F. Martinez & E. Mu oz/420 Development and characterization of a nucleic acid probe for avian reoviruses/Hsien Sheng Yin & Long Huw Lee/423 CASE REPORTS A poorly-differentiated hepatic haemangiosarcoma in an Amazona farinosa parrot/G. Rossi/427 NEWS International Travel Awards Granted in 1997/431; Fourth Asia-Pacific Poultry Health Conference/432 Volume 27 Number 3 June 1998 ORIGINAL ARTICLES Haemorrhagic enteritis associated with herpesvirus in storks/J. C. G mez-Villamandos, J. Herv s, F. J. Salguero, M. A. Quevedo, J. M. Aguilar & E. Mozos/229 Newcastle disease virus: detection and characterization by PCR of recent German isolates differing in pathogenicity/Angela Oberd rfer & Ortrud Werner/237 Competitive exclusion of Salmonella typhimurium in broilers fed with vermicompost and complex carbohydrates/J. L. Spencer, J. R. Chambers & H. W. Modler/244 The preventive effect of polyvinylpolypyrrolidone on aflatoxicosis in broilers/M. M. Kiran, . Demet, M. Ortatatli, H. Og?uz/250 Keratoglobus lesions in the eyes of rearing broiler breeders/W. J. M. Landman, M. H. Boev , R. M. Dwars & E. Gruys/256 A serological survey for avian polyomavirus and Pacheco's disease virus in Australian cockatoos/S. R. Raidal, G. M. Cross, Elizabeth Tomaszewski, D. L. Graham, D. N. Phalen/263 Some strains of serotype 4 fowl adenoviruses cause inclusion body hepatitis and hydropericardium syndrome in chickens/A. Mazaheri, C. Prusas, M. Vo & M. Hess/269 Lymphoproliferative responses of specific-pathogen-free chickens to Mycoplasma gallisepticum strain PG31/Sudhir K. Reddy, Pratik Singh, Amer Silim &J. A. Newman/277 Thymic stromal cells produce soluble factors which increase polarization of chicken thymocytes/M. Mukamoto, H. Kodama & T. Baba/284 Interaction of aflatoxin in the feed and immunization against selected infectious diseases in poultry. II. Effect on one-day-old layer chicks simultaneously vaccinated against Newcastle disease, infectious bronchitis and infectious bursal disease/M. A. Gabal & A. H. Azzam/290 Evaluation of a PCR test for the detection of Haemophilus paragallinarum in China/X. Chen, Q. Chen, P. Zhang, W. Feng & P. J. Blackall/296 SHORT COMMUNICATIONS Comparison of three commercial ELISA kits for the detection of turkey rhinotracheitis virus antibodies/D. R. Mekkes &J. J. de Wit/301 Clinical and pathological characterization of an osteoma in a barred owl/K. A. Hahn, M. P. Jones, M. G. Petersen, M. M. Patterson/306 Intracloacal infection with avian infectious bronchitis virus/T. Uenaka, Itsuko Kishimoto, S. Sato, S. B. Animas, T. Ito, K. Otsuki &Jane K. A. Cook/309 Isolation of highly cytolytic MDV strains from Germany and Spain/Imke Kross, P. J. Davis & R. W. Shilleto/313 A serological survey of chickens, Japanese quail, pigeons, ducks and crows for antibodies to chicken anaemia virus (CAV) in Japan/T. Farkas, K. Maeda, H. Sugiura, K. Kai, K. Hirai, K. Otsuki & T. Hayashi/316 CASE REPORTS Metastatic cholangiocellular carcinoma and renal adenocarcinoma in a golden eagle (Aquila chrysaetos)/Igor Mikaelian, Robert Patenaude, Christiane Girard, Daniel Martineau/321 Selenium—vitamin E responsive myopathy in farmed ostriches (Struthio camelus) in Botswana/E. Z. Mushi, J. F. W. Isa, R. G. Chabo, M. G. Binta, J. Nyange, L. Modisa/326 Volume 27 Number 2 April 1998 GUEST EDITORIAL Crimean-Congo haemorrhagic fever in ostriches: a public health risk for countries of the European Union?/I. Capua/117 ORIGINAL ARTICLES A method for immunofluorescent localization of oestrogen receptors in bone sections from an egg-laying poultry strain/C. Baris, D. Howard Carter, A. J. Freemont, B. H. Thorp & I. P. Braidman/121 Plasma chemistry in peregrine falcons (Falco peregrinus): reference values and physiological variations of importance for interpretation/ J. T. Lumeij, J. D. Remple, C. J. Remple & K. E. Riddle/129 Observations on the influence of intestinal spirochaetosis in broiler breeders on the performance of their progeny and on egg production/ H. F. Smit, R. M. Dwars, F. G. Davelaar & G. A. W. Wijtten/133 A comparison of a commercial PCR-based test to culture methods for detection of Mycoplasma gallisepticum and Mycoplasma synoviae in concurrently infected chickens/H. Salisch, K-H. Hinz, H-D. Graack & M. Ryll/142 Virulence factors of avian Escherichia coli associated with swollen head syndrome/V. R. Parreira, C. W. Arns & T. Yano/148 Detection of specific IgM antibodies to infectious bronchitis virus by an antibody-capture ELISA/J. J. de Wit, D. R. Mekkes, G. Koch & F. Westenbrink/155 Vaccination du pigeon contre Salmonella typhimurium/K. Proux, F. Humbert, M. Guittet, P. Colin & G. Bennejean/161 Comparative study of the resistance or susceptibility of local Nigerian and exotic chickens to infectious bursal disease/J. O. A. Okoye & E. P. Aba-Adulugba/168 An update on the epidemiology of contact dermatitis in commercial broilers/F. D. Menzies, E. A. Goodall, D. A. McConaghy & M. J. Alcorn/178 Inflammatory response of different chicken lines and B haplotypes to infection with infectious bursal disease virus/O. L. Nielsen, P. S rensen, J. E. Hedemand, S. B. Laursen & P. H. J rgensen/181 Assessment of the efficacy of tilmicosin as a treatment for Mycoplasma gallisepticum infections in chickens/B. Charleston, J. J. Gate, I. A. Aitken & L. Reeve-Johnson/190 SHORT COMMUNICATION Growth analysis of adenoviruses isolated from pigeons in chicken cells and serological characterization of the isolates/M. Hess, C. Prusas & G. Monreal/196 Immunosuppression of commercial broilers in Croatia, Slovenia, and Bosnia and Herzegovina from 1981 to 1991/W. L. Ragland, H. Mazija, V. Cvel c-Cabrilo, V. Sav c, R. Novak & M. Pogacnik/200 The toxic effects of monensin and chloramphenicol on laying turkey breeder hens/Y. Friedman, Y. Weisman, Y. Avidar & E. Bogin/205 CASE REPORT A cataract outbreak in broiler breeders/W. J. M. Landman & R. M. Dwars/209 NEWS Bart Rispens Research Award presented to L. D. Bacon/213; Fourth Asia Pacific Poultry Health Conference/214; OIE Veterinary Biotechnology Database/214; Houghton Trust International Travel Grants/215; Bart Rispens Research Award/215 Volume 27 Supplement 1 April 1998 Trends in Avian Tumour Virology An international symposium to honour Dr L. N. Payne INTRODUCTION Avian tumour virology and L. N. Payne/B. M. Freeman/S7 REVIEW PAPERS The oncologist's debt to the chicken/Robin A. Weiss/S8 Molecular events in avian neoplasia: regulators of cell death in development of B-cell lymphomas in the chicken bursa of fabricius/Ruey-min Lee, Germain Gillet & Paul Neiman/S16 Avian leukosis virus-receptor interactions/John A. T. Young/S21 Spontaneous mobility of subgroup A avian leukosis virus proviruses in the genome of the chicken/Lyman B. Crittenden & Donald W. Salter/S26 HPRS-103: a retrovirus strikes back. The emergence of subgroup J avian leukosis virus/L. N. Payne/S36 The changing landscape of Marek's disease/R. L. Witter/S46 Lymphomagenesis in Marek's disease/Bruce W. Calnek/S54 Recombinant vaccines against Marek's disease/L. J. N. Ross/S65 A poultry breeder's approach to avian neoplasia/J. C. McKay/S74 Genomic mapping of resistance to Marek's disease/Nat Bumstead/S78 The importance of MHC for Rous sarcoma virus and Marek's disease virus—some Payne-ful considerations/J. F. Kaufman & K. Venugopal/S82 POSTER PRESENTATIONS Marek's disease tumours may be a result of latent virus escaping the immune response/S. C. Burgess & T. F. Davison/S88 Age- and strain-related differences in the quantity of Marek's disease virus in different sub-populations of lymphocytes/T. F. Davison, S. Baigent, M. Rennie & N. Bumstead/S88 Development and composition of splenic lesions in resistant and susceptible chickens after Marek's disease virus infection/S. Baigent, L. J. N. Ross & T. F. Davison/S88 Quantitative analysis of Marek's disease vaccine virus in relation to host genetic resistance/S. M. Sellers, T. F. Davison & N. Bumstead/S89 Marek's disease virus gC and meq mutants with dramatic reductions in tumour incidences and horizontal transmission/Robin W. Morgan, Jennifer Kent & Amy S. Anderson/S89 A four-year survey of avian oncogenic viruses in tumour-bearing flocks in Israel—a comparison of PCR, serology and histopathology/Irit Davidson, Shmuel Perl & Mertyn Malkinson/S90 Development and application of PCR tests for the detection of subgroup J avian leukosis virus/L. M. Smith, K. Howes, S. S. Arshad, G. S. Barron, K. Venugopal & L. N. Payne/S90 Characteristics of an avian retrovirus isolated from an outbreak of haemangioma among layers/K. Venugopal, D. Spackman, L. M. Smith, K. Howes & L. N. Payne/S91 Detection of avian leukosis virus subgroup J (HPRS-103) using in situ hybridization/S. S. Arshad, L. M. Smith, K. Howes, P. H. Russell, K. Venugopal & L. N. Payne/S91 Antigenic variants of J subgroup avian leukosis virus: sequence analysis reveals multiple changes in the env gene/K. Venugopal, L. M. Smith, K. Howes & L. N. Payne/S91 Long terminal repeat of HPRS-103 containing a mutated EFII site differs functionally from that of RAV-1 and the 3´ non-coding region contains cis-acting elements/Bai Jirong, L. N. Payne & Michael A. Skinner/S92 Sequence analysis of an infectious proviral clone of HPRS-103 shows that it represents a new avian retrovirus envelope subgroup (J)/Bai Jirong, L. N. Payne & Michael A. Skinner/S92 Volume 27 Number 1 February 1998 GUEST EDITORIAL Dr L. N. (Jim) Payne, retiring Editor-in-Chief of Avian Pathology/Peter Biggs/5 EDITORIAL Changes to Avian Pathology, including an increase to six issues per year/Dave Cavanagh/6 THE HOUGHTON LECTURE DNA amplification methods for diagnosis and epidemiological investigations of avian mycoplasmosis/Isabelle Kempf/7 ORIGINAL ARTICLES Isolation of influenza A virus, subtype H5N2, and avian paramyxovirus type 1 from a flock of ostriches in Europe/P. H. J rgensen, O. L. Nielsen, H. C. Hansen, R. J. Manvell, J. Banks & D. J. Alexander/15 Attempts to reproduce swollen head syndrome in specific pathogen-free chickens by inoculating with Escherichia coli and/or turkey rhinotracheitis virus/K. Nakamura, M. Mase, N. Tanimura, S. Yamaguchi & N. Yuasa/21 A study on the long-term immunity induced by La Sota strain of Newcastle disease virus grown in a BS/BEK cell line of bovine embryo kidney origin/M. N. Losio, E. Lodetti, L. Alborali, G. Tosi & C. Buonavoglia/28 Phenotypic characteristics of Riemerella anatipestifer and similar micro-organisms from various hosts/K-H. Hinz, M. Ryll, B. K hler & G. Gl nder/33 A concurrent outbreak of psittacine beak and feather disease virus, and avian polyomavirus infection in budgerigars (Melopsittacus undulatus)/A. Ramis, K. S. Latimer, X. Gibert & R. Campagnoli/43 Left atrio-ventricular valve degeneration, left ventricular dilation and right ventricular failure: a possible association with pulmonary hypertension and aetiology of ascites in broiler chickens/A. A. Olkowski, H. L. Classen & L. Kumor/51 Field isolates of fowlpox virus contaminated with reticuloendotheliosis virus/I. S. Diallo, M. A. MacKenzie, P. B. Spradbrow & W. F. Robinson/60 Analysis of the phenotypes in field populations of Eimeria acervulina expressing dual drug-resistance to decoquinate and clopidol/R. B. Williams/67 Effect of multiple cell culture passages on the biological behaviour of chicken anaemia virus/D. Todd, T. J. Connor, Julie L. Creelan, B. J. Borghmans, Viola M. Calvert & M. S. McNulty/74 Pathogenicity of in vivo-passaged Mycoplasma imitans in turkey poults in single infection and in dual infection with rhinotracheitis virus/K. Ganapathy, R. C. Jones & J. M. Bradbury/80 Antigenic and phylogenetic studies on a variant Newcastle disease virus using anti-fusion protein monoclonal antibodies and partial sequencing of the fusion protein gene/M. S. Collins, Sally Franklin, I. Strong, G. Meulemans & D. J. Alexander/90 SHORT COMMUNICATION Heat inactivation of serotype 1 infectious bursal disease virus/D. J. Alexander & N. J. Chettle/97 CASE REPORTS Gizzard adenocarcinoma in an aged Humboldt penguin (Spheniscus humboldti)/K-O. Cho, T. Kimura, K. Ochiai & C. Itakura/100 An avipoxvirus infection in a goshawk (Accipiter gentilis)/Nico J. Schoemaker, G. M. Dorrestein & J. T. Lumeij/103 BOOK REVIEW Avian Medicine and Surgery. Reviewed by John R. Baker/107 NEWS Award of Jozsef Marek Commemorative Medals/108; Fourth Asia Pacific Poultry Health Conference/110; OIE Veterinary Biotechnology Database/110; Houghton Trust International Travel Grants/111 Volume 26 Number 4 December 1997 REVIEW ARTICLE Infectious bronchitis virus: immunopathogenesis of infection in the chicken/G. Dhinakar Raj & R. C. Jones/677 ORIGINAL ARTICLES Significance of Marek's disease virus serotype 1-specific phosphorylated proteins in Marek's disease skin lesions/K.-O. Cho, D. Endoh, T. Kimura, K. Ochiai & C. Itakura/707 Experimental evaluation of an inactivated vaccine against chicken anaemia virus/A. Pag s-Mant , N. Saubi, C. Artigas & E. Espu a/721 Quantitative pathology of small intestinal coccidiosis caused by Eimeria maxima in young broilers/A. B. Idris, Denise I. Bounous, M. A. Goodwin, J. Brown & Elizabeth A. Krushinskie/731 Monoclonal antibody characterization of reference isolates of different serogroups of Haemophilus paragallinarum/R. R. Bragg, N. J. Gunter, L. Coetzee & J. A. Verschoor/749 Detection of Mycoplasma meleagridis and M. iowae from dead-in-shell turkey embryos by polymerase chain reaction and culture/M. Garc a, I. Gerchman, R. Meir, M. W. Jackwood, S. H. Kleven & S. Levisohn/765 Investigation on the frequency of Chlamydia sp. infections in tits (Paridae)/Heike A.-M. Holzinger-Umlauf, Rachel E. Marschang, M. Gravendyck & E. F. Kaleta/779 Dose response study of enrofloxacin against Riemerella anatipestifer septicaemia in muscovy and pekin ducklings/A. Turbahn, Sonia Cortez de J ckel, E. Greuel, A. De Jong, R. Froyman & E. F. Kaleta/791 Comparison of the in situ changes in lymphoid cells during infection with infectious bursal disease virus in chickens of different ages/Lonneke Vervelde & T. F. Davison/803 Toxoplasma gondii antibodies in house sparrows (Passer domesticus) and tree sparrows (P. montanus)/I. Liter k, J. Pinowski, M. Anger, Zina Juricov , Hahm Kyu-Hwang & J. Romanowski/823 A feather disease in Senegal doves (Streptopelia senegalensis) morphologically similar to psittacine beak and feather disease/S. R. Raidal & Penelope A. Riddoch/829 Differentiation of virulent and non-virulent strains of Newcastle disease virus within 24 hours by polymerase chain reaction/A. Kant, G. Koch, D. J. Van Roozelaar, F. Balk & A. Ter Huurne/837 Haematological and clinical biochemistry findings in captive Humboldt penguins (Spheniscus humboldti)/Gladys Villouta, R. Hargreaves & V. Riveros/851 SHORT COMMUNICATIONS Studies on reactivation and transmission of pigeon herpes virus (PHV) for raising PHV-free pigeons (Columba livia dom.)/Maria Messana, J. K sters & Ch. Grund/859 Differences in electrophoresis patterns between plasma albumins of the cockatiel (Nymphicus hollandicus) and the chicken (Gallus gallus domesticus)/F. J. Archer & A. L. Battison/865 CASE REPORT Bilateral necrotizing pectenitis causing blindness in a rainbow lorikeet (Trichoglossus haematodus)/S. R. Raidal/871 BOOK REVIEW Food Safety and Quality Assurance/877 NEWS OIE Veterinary Biotechnology Database/879; Houghton Trust International Travel Grants/880 ERRATUM/881 TITLE-PAGE, VOLUME CONTENTS, AUTHOR AND SUBJECT INDEXES, 1997/883 Volume 26 Number 3 September 1997 NEWS 3rd International Raptor Biomedical Conference/458; Houghton Trust International Travel Grants/470 REVIEW ARTICLE Avian pasteurellosis: taxonomy of the organisms involved and aspects of pathogenesis/J. P. Christensen & M. Bisgaard/461 ORIGINAL ARTICLES Pathogenicity of chicken anaemia virus (isolate 10343) for young and older chickens/H. Toro, Ana M. Ram rez & J. Larenas/485 Occurrence of cutaneous haemangiomas in chickens: morphological aspects/S. Cerruti Sola, B. Borello & M. Castagnaro/501 Sex and genotype dependence on the effects of long-term high environmental temperatures on cellular enzyme activities from chicken organs/E. Bogin, H. C. Peh, Y. Avidar, B. Israeli, E. Kevkhaye, P. Lombardi & A. Cahaner/511 Phenotype analysis of lymphoid cells in Marek's disease of CD4 + or CD8 + T-cell-deficient chickens: occurrence of double negative T-cell tumour/K. Okada, Y. Tanaka, K. Murakami, S. Chiba, T. Morimura, M. Hattori, M. Goryo & M. Onuma/525 A long-term study of Australian infectious bronchitis viruses indicates a major antigenic change in recently isolated strains/J. Ignjatovic, S. I. Sapats & F. Ashton/535 Susceptibility of organ cultures from chicken tissues for strains of infectious bronchitis virus isolated from the intestine/P. S. Bhattacharjee & R. C. Jones/553 Effects of feeding Fusarium fujikuroi culture material containing known levels of moniliformin in turkey poults/A. J. Bermudez, D. R. Ledoux, G. E. Rottinghaus, P. L. Stogsdill & G. A. Bennett/565 Replication of nondefective reticuloendotheliosis viruses in the avian embryo assayed by PCR and immunofluorescence/Irit Davidson, Rinat Alphandary, Mina Novoseler & M. Malkinson/579 Isolation and identification of NAD-independent bacteria from chickens with symptoms of infectious coryza/R. R. Bragg, J. M. Greyling & J. A. Verschoor/595 Histopathology and immunohistochemistry of renal lesions due to avian infectious bronchitis virus in chicks uninoculated and previously inoculated with highly virulent infectious bursal disease virus/B. Y. Chen & C. Itakura/607 Molecular analysis of the 793/B serotype of infectious bronchitis virus in Great Britain/A. Adzhar, R. E. Gough, D. Haydon, K. Shaw, P. Britton & D. Cavanagh/625 SHORT COMMUNICATION Cross-reactive cellular immune responses in chickens vaccinated with live infectious bronchitis virus vaccine/G. Dhinakar Raj & R. C. Jones/641 CASE REPORTS Respiratory and intestinal trichomoniasis in mule ducks/S. S. Tsai, T. C. Chang, M. Kuo & C. Itakura/651 Cutaneous mast cell tumours with pulmonary metastasis in a hen/S. Hafner & K. Latimer/657 Pancreatic cryptosporidiosis in ostriches/J. E. Jardine & D. J. Verwoerd/665 BOOK REVIEW Poultry Immunology 671 Volume 26 Number 2 June 1997 REVIEW ARTICLE Biochemical, genetic and applied aspects of drug resistance in Eimeria parasites of the fowl/H. D. Chapman/221 ORIGINAL ARTICLES The expression of gicerin, a cell adhesion molecule, in regenerating process of collecting ducts and ureters of the chicken kidney following infection with a nephrotropic strain of infectious bronchitis virus/Y. Tsukamoto, T. Matsumoto, T. Kotani, E. Taira, N. Takaha, N. Miki, J. Yamate & S. Sakuma/245 Effect of T-cell suppression by cyclosporin on primary and persistent infections of infectious bronchitis virus in chickens/G. Dhinakar Raj & R. C. Jones/257 Cutaneous lesions in broiler chickens spontaneously affected with Marek's disease/K-O. Cho, K. Ochiai, Y. Fujikawa & C. Itakura/277 Myocardial b -adrenergic receptor characteristics in T 3 -induced ascites and in broiler lines differing in ascites susceptibility/M. Hassanzadeh Ladmakhi, N. Buys, A. Vanderpooten & E. Decuypere/293 Comparison of the genomes of 15 avian herpesvirus isolates by restriction endonuclease analysis/B. M. F. G nther, B. G. Klupp, M. Gravendyck, J. E. Lohr, T. C. Mettenleiter & E. F. Kaleta/305 Interaction of aflatoxin in the feed and immunization against selected infectious diseases. I. Infectious bursal disease/A. H. Azzam & M. A. Gabal/317 Appearance of type B avian pneumovirus in Great Britain/C. Naylor, K. Shaw, P. Britton & D. Cavanagh/327 Serum chemistry and antibody status to some avian pathogens of free-living and captive condors (Vultur gryphus) of central Chile/H. Toro, E. F. Pav z, R. E. Gough, G. Montes & E. F. Kaleta/339 The nucleotide sequence of the HA1 of the haemagglutinin of an H1 avian influenza virus isolate from turkeys in Germany provides additional evidence suggesting recent transmission from pigs/G. W. Wood, J. Banks, I. H. Brown, I. Strong & D. J. Alexander/347 Comparison of enzyme-linked immunosorbent assay and haemagglutination inhibition test for the detection of antibodies against Newcastle disease virus in ostriches (Struthio camelus)/H. F. Cadman, P. J. Kelly, N. D. de Angelis, C. Rohde, N. Collins & T. Zulu/357 Evaluation of inactivated infectious coryza vaccines in chickens challenged by serovar B strains of Haemophilus paragallinarum/ H. R. Terzolo, V. E. Sandoval & F. Gonzalez Pondal/365 Vaccination of turkey poults against pathogenic Escherichia coli/ M. Chaffer, B. Schwartsburd & E. D. Heller/377 Natural case of salpingitis apparently caused by Mycoplasma gallisepticum in chickens/T. Nunoya, K. Kanai, T. Yagihashi, S. Hoshi, K. Shibuya & M. Tajima/391 Antigenic diversity and similarities detected in avian paramyxovirus type 1 (Newcastle disease virus) isolates using monoclonal antibodies/ D. J. Alexander, R. J. Manvell, J. P. Lowings, K. M. Frost, M. S. Collins, P. H. Russell & J. E. Smith/399 Immunogenicity of E. coli-expressed s 3 protein of avian reovirus in chickens/M. R. S. Shapouri, M. Arella & A. Silim/419 SHORT COMMUNICATION Effect of heterophil depletion by 5-fluorouracil on infectious bronchitis virus infection in chickens/G. Dhinakar Raj, C. E. Savage & R. C. Jones/427 CASE REPORT Streptococcus bovis infection in turkey poults/R. Droual, G. Y. Ghazikhanian, H. L. Shivaprasad, B. C. Barr & M. B. Bland/433 BOOK REVIEWS Diseases of Cage and Aviary Birds/441; Introduction to Veterinary Genetics/442; Ratite Management, Medicine, and Surgery/443; Poultry Diseases and Meat Hygiene. A Color Atlas/446 NEWS Houghton Trust International Travel Grants/451 Volume 26 Number 1 March 1997 ORIGINAL ARTICLES Immunohistochemistry for the diagnosis of aspergillosis in turkey poults/ H. E. Jensen, J. P. Christensen, M. Bisgaard & O. L. Nielsen/5 Fatty liver syndrome in captive bustards: clinical, pathological and epidemiological findings/P. K. Nicholls, T. A. Bailey & J. A. Samour/19 The prophylactic effect of vitamin C supplementation on broiler ascites incidence and plasma thyroid hormone concentration/M. Hassanzadeh Ladmakhi, Nadine Buys, Erna Dewil, G. Rahimi & E. Decuypere/33 Immunogold for detection of avian leukosis/sarcoma virus in formalin-fixed heart and kidney/W. L. Steffens, M. A. Goodwin & Mary B. Ard/45 Scleral ectasia associated with hereditary retinal dysplasia in a mutant strain of Japanese quail (Coturnix coturnix japonica)/K. Shibuya, T. Nunoya, M. Tajima & M. Mizutani/53 Relationship between sequence variation in the S1 spike protein of infectious bronchitis virus and the extent of cross protection in vivo/D. Cavanagh, M. M. Ellis & J. K. A. Cook/63 Unusual lesions associated with avian poxvirus infection in rosy-faced lovebirds (Agapornis roseicollis)/S. S. Tsai, T. C. Chang, S. F. Yang, Y. C. Chi, R. S. Cher, M. S. Chien & C. Itakura/75 Evaluation of combined antibiotic and competitive exclusion treatment in broiler breeder flocks infected with Salmonella enterica serovar Enteritidis/D. J. Reynolds, R. H. Davies, M. Richards & C. Wray/83 An assessment of the efficacy of the Lixiscope for the detection of tibial dyschondroplasia/B. H. Thorp, Laura Dick, D. Jefferies, B. Houston & J. Wilson/97 Sensitivity and specificity of serological tests for infectious bronchitis virus antibodies in broilers/J. J. de Wit, D. R. Mekkes, B. Kouwenhoven & J. H. M. Verheijden/105 Molecular characterization of isolates of Haemophilus paragallinarum from China by ribotyping/J. K. Miflin, X. Chen & P. J. Blackall/119 Characterization of Newcastle disease viruses isolated from chickens and pigeons in the South Marmara region of Turkey/T. Oncel, D. J. Alexander, R. J. Manvell & O. Ture/129 Swollen head syndrome in broiler chickens in Japan: its pathology, microbiology and biochemistry/K. Nakamura, M. Mase, N. Tanimura, S. Yamaguchi, M. Nakazawa & N. Yuasa/139 Hatchery-borne Salmonella enterica serovar Tennessee infections in broilers/J. P. Christensen, D. J. Brown, M. Madsen, J. E. Olsen & M. Bisgaard/155 The development of lameness and bone deformity in the broiler following experimental infection with Mycoplasma gallisepticum or Mycoplasma synoviae/C. J. Morrow, J. M. Bradbury, M. J. Gentle & B. H. Thorp/169 CASE REPORTS Adherence of Enterococcus hirae to the duodenal epithelium of chicks with diarrhoea/Hiroshi Kondo, Nariaki Abe, Koichi Tsukuda & Yoshihiro Wada/189 Quill mite (Dermoglyphus passerinus) infestation of canaries (Serinus canaria): diagnosis and treatment/G. M. Dorrestein, Hetwig H. A. van der Horst, H. J. W. M. Cremers & Marein van der Hage/195 Polyuria and polydipsia due to vitamin and mineral oversupplementation of the diet of a salmon-crested cockatoo (Cacatua moluccensis) and a blue and gold macaw (Ara ararauna)/N. J. Schoemaker, J. T. Lumeij & A. C. Beynen/201 Volume 25 Number 4 December 1996 GUEST EDITORIAL Avian pneumovirus infection: questions still unanswered/R. C. Jones/639 ORIGINAL ARTICLES An in vitro comparison of the virulence of seven strains of infectious bronchitis virus using tracheal and oviduct organ cultures/G. Dhinakar Raj & R. C. Jones/649 The antibacterial effects for Salmonella Enteritidis phage type 4 of different chemical disinfectants and cleaning agents tested under different conditions/ A. Berchiere Jr & P. A. Barrow/663 Cytopathology of chick renal epithelial cells experimentally infected with avian infectious bronchitis virus/B. Y. Chen & C. Itakura/675 Detection of PMV-1 specific antibodies with a monoclonal antibody blocking enzyme-linked immunosorbent assay/G. Czifra, M. Nilsson, D. J. Alexander, R. Manvell, S. Kecskem ti & B. E. Engstr m/691 Immunogenicity of Riemerella anatipestifer broth culture bacterin and cell-free culture filtrate in ducks/Pornpen Pathanasophan, Takua Sawada, Tarika Pramoolsinsap & Tipa Tanticharoenyos/705 Detection and differentiation of avian infectious bronchitis viruses using a monoclonal antibody-based ELISA/J. Ignjatovic & F. Ashton/721 Evaluation of Salmonella enteritidis-immune lymphokines on host resistance to Salmonella enterica ser. gallinarum infection in broiler chicks/ M. H. Kogut, G. Tellez, E. D. McGruder, R. A. Wong, A. Isibasi, V. N. Ortiz, B. M. Hargis & J. R. DeLoach/737 Acute infectious bursal disease in poultry: immunological and molecular basis of antigenicity of a highly virulent strain/T. P. van den Berg, Martine Gonze, Dolores Morales & G. Meulemans751 Correlation between viable counts of Salmonella Gallinarum in spleen and liver and the development of anaemia in chickens as seen in experimental fowl typhoid/J. P. Christensen, P. A. Barrow, J. E. Olsen, J. S. D. Poulsen & M. Bisgaard769 Modifications enzymatiques sanguines chez la canette mularde (Cairina moshcata X Anas platyrhynchos) lors d'infection exp rimentale par Eimeria mulardi/Annette Pascalon-Pekelniczky, C. Michoudet & Claude M. Chauve/785 An avian influenza virus of H10 subtype that is highly pathogenic for chickens, but lacks multiple basic amino acids at the haemagglutinin cleavage site/G. W. Wood, J. Banks, I. Strong, G. Parsons & D. J. Alexander/799 Correlation between neutralizing antibody titre and protection from tenosynovitis in avian reovirus infections/K. Takase, H. Fujikawa & S. Yamada/807 Universal oligonucleotides for the detection of infectious bronchitis virus by the polymerase chain reaction/Azri Adzhar, Kathy Shaw, Paul Britton & Dave Cavanagh/817 Sequence of the haemagglutinin-neuraminidase gene of the Newcastle disease virus oral vaccine strain V4(UPM)/Khatijah Yusoff, Wen Siang Tan, Chin Hoon Lau, Ban Kim Ng & Abdul Latif Ibrahim/837 BOOK REVIEW /845 NEWS /846 TITLE-PAGE, VOLUME CONTENTS, AUTHOR AND SUBJECT INDEXES, 1996/847 Volume 25 Number 3 September 1996 ORIGINAL ARTICLES Some observations on naturally occurring neoplasms of domestic fowls in the State of Victoria, Australia (1977-87)/R. L. Reece/407 Pharmacokinetics of amoxicillin in broiler chickens/A. Anad n, M. R. Martinez-Larra aga, M. J. Diaz, P. Bringas, M. C. Fernandez, M. A. Martinez & M. L. Fernandez-Cruz/449 Bacterial flora of captive houbara (Chlamydotis undulata), kori (Ardeotis kori) and rufous-crested (Eupodotis ruficrista) bustards/ Marie-Ann D'Aloia, T. A. Bailey, J. H. Samour, J. Naldo & Judith C. Howlett/459 Egg transmission of avian reoviruses in chickens: comparison of a trypsin-sensitive and a trypsin-resistant strain/S. I. Al-Muffarej, Carol E. Savage & R. C. Jones/469 Immunopathogenesis of infection in SPF chicks and commercial broiler chickens of a variant infectious bronchitis virus of economic importance/ G. Dhinakar Raj & R. C. Jones/481 Chicken thymocyte antigen which participates in cell proliferations of thymocytes and tumour-derived lymphoid cell lines/M. Mukamoto, H. Kodama & T. Baba/503 The effects of haemolysis on serum chemistry measurements in poultry/ J. R. Andreasen Jr, Claire B. Andreason, Anita B. Sonn & D. C. Robeson/519 Effect of graded levels of dietary nickel and manganese on blood haemoglobin content and pulmonary hypertension in broiler chickens/ D. A. Martinez & G. J. Diaz/537 Development of an alloantiserum (R2) that detects susceptibility of chickens to subgroup E endogenous avian leukosis virus/L. D. Bacon, E. J. Smith, A. M. Fadly & L. B. Crittenden/551 Participation of a chieck thymocyte antigen in intrathymic differentiation of T cells in vitro/M. Mukamoto, H. Kodama & T. Baba/569 The effect of acetylsalicyclic acid and cold stress on the susceptibility of broilers to the ascites syndrome/A. Shlosberg, M. Bellaiche, V. Hanji, A. Nyska, A. Lublin, M. Shemesh, L. Shore, S. Perk & E. Berman/581 Antimicrobial resistance and epidemiology of Escherichia coli in broiler breeder chickens/Carol A. Ginns, G. F. Browning, Michelle L. Benham, G. A. Anderson & K. G. Whithear/591 SHORT COMMUNICATIONS Sequence of the spike protein of the Belgian B1648 isolate of nephropathogenic infectious bronchitis virus/K. Shaw, P. Britton & D. Cavanagh/607 Blood chemistry and haematological values of captive Egyptian vultures (Neophron percnopterus)/Giacomo Dell'Omo & Roberta Cavallina613 CASE REPORT Polyomavirus inclusion bodies in chicken caecal epithelium/M. A. Goodwin, K. S. Latimer, E. C. Player, F. D. Niagro & R. P. Campagnoli/619 BOOK REVIEW /627 NEWS /629 Volume 25 Number 2 June 1996 REVIEW ARTICLE Mycoplasma iowae: a review/Abdul-Rahman S. Al-Ankari & Janet M. Bradbury/205 ORIGINAL ARTICLES An experimental turkey rhinotracheitis (TRT) infection in breeding turkeys and the prevention of its clinical effects using live-attenuated and inactivated TRT vaccines/Jane K. A. Cook, F. Orthel, Sarah Orbell, M. A. Woods &M. B. Huggins/231 Chicken anaemia virus antibody ELISA: problems with non-specific reactions/Wojtek P. Michalski, Denise O'Rourke & Trevor J. Bagust/245 A flow cytometric method for identifying Marek's disease virus pp38 expression in lymphocyte subpopulations/Susan J. Baigent, L. J. N. Ross & T. F. Davison/255 Histopathology and immunohistochemistry of renal lesions due to infectious bronchitis virus in chicks/B. Y. Chen, S. Hosi, T. Nunoya & C. Itakura/269 Pathological studies of chickens experimentally infected with two highly pathogenic avian influenza viruses/Y. Kobayashi, T. Horimoto, Y. Kawaoka, D. J. Alexander & C. Itakura/285 Expression and distribution of cartilage matrix macromolecules in avian tibial dyschondroplasia/Cjris Tselepis, Judith A. Hoyland, Ruth E. Barber, Barry H. Thorp & Alvin P. L. Kwan/305 Sequential skin lesions in chickens experimentally infected with Marek's disease virus/K-O. Cho, M. Mubarak, T. Kimura, K. Ochiai & C. Itakura/325 Antigenic diversity of psittacine herpesviruses: cluster analysis of antigenic differences obtained from cross-neutralization tests/M. Gravendyck, S. Tritt, H. Spenkoch-Piper & E. F. Kaleta/345 Effects of histamine application and water-immersion stress on gizzard erosion and fattening of broiler chicks/P. Dzaja, Z. Grabarevic, J. Peric, H. Mazija, Estella Prukner-Radovcic, Mirna Bratulic, D. Zubcic & W. L. Ragland III/359 Viral proventriculitis in chickens/M. A. Goodwin, S. Hafner, D. I. Bounous, K. S. Latimer, E. C. Player, F. D. Niagro, R. P. Campagnoli & J. Brown/369 SHORT COMMUNICATION Health studies on the Indian house crow (Corvus splendens)/ John E. Cooper/381 CASE REPORTS Vegetative endocarditis in a Waldrapp ibis/A. G. Greenwood, Jacqueline Marshall & E. G. F. Tinsley/387 BOOK REVIEWS /393 NEWS /399 Volume 25 Number 1 March 1996 ORIGINAL ARTICLES Protection studies against Marek's disease using baculovirus-expressed glycoproteins B and C of Marek's disease virus type 1/K.-K. Jang, T. Kitazawa, M. Ono, Y. Kawaguchi, K. Maeda, N. Yokoyama, Y. Tohya, M. Niikura & T. Mikami/5 Use of ELISA procedures for the detection of Derzsy's disease virus of geese and of antibodies produced against it/Vera Kardi & Edit Szegletes/25 An outbreak of lymphomas in commercial broiler breeder chickens vaccinated with a fowlpox vaccine contaminated with reticuloendotheliosis virus/A. M. Fadly, R. L. Witter, E. J. Smith, R. F. Silva, W. M. Reed, F. J. Hoerr & M. R. Putnam/35 Haemoproteusin the houbara (Chlamydotis undulata macqueenii) and the rufous-crested bustard (Eupoditis ruficrista) in the United Arab Emirates/Judith C. Howlett, J. H. Samour, T. A. Bailey, J. Naldo & Marie-Ann D'Aloia/49 Characterization of monoclonal antibodies against avian reovirus strain S1133/M. R. S. Shapouri, D. Frenette, R. Larochelle, M. Arella & A. Silim/57 Observations on the control of Campylobacter jejuni infection of poultry by 'competitive exclusion'/G. C. Mead, Maggie J. Scott, T. J. Humphrey & Kate McAlpine/69 Enhancement of reticuloendotheliosis virus-induced bursal lymphomas by serotype 2 Marek's disease virus/Mona M. Aly, R. L. Witter & Aly M. Fadly/81 Epithelial cell proliferation of collecting ducts and ureters in the regenerating process of interstitial nephritis caused by infectious bronchitis virus/ Y. Tsukamoto, T. Kotani, Y. Shiraishi, H. Kawamura & S. Sakuma/95 Infection naturelle Cryptosporidium sp. Chez le poulet de chair au Maroc/F. Kichou, Fatima Saghir & M. El Hamidi/103 A survey of Eimeria species in commercially-reared chickens in France during 1994/R. B. Williams, A. C. Bushell, J. M. R p rant, T. G. Doy, J. H. Morgan, M. W. Shirley, P. Yvor , Margaret M. Carr & Y. Fr mont/113 Cutaneous myelolipoma in a peach-faced lovebird (Agapornis roseicollis)/K. Ozaki, H. Kinoshita, H. Kurasho & I. Narama/131 Health studies on a group of captive helmeted guineafowl (Numida meleagris) in Tanzania/J. E. Cooper, R. A. Max & G. K. Mbassa135 SHORT COMMUNICATIONS Liver capsule thickening characterized by mesothelial cell proliferation with cascularization in broilers ascites syndrome/A. Sakumi, R. Yamaguchi, J. Tottori, K. Uchida & S. Tateyama/147 Virus serological diagnosis in two avian species based on binding of human Clq to avian antibody/H. Toro, E. F. Pav z & T. Redmann/155 Normal blood chemistry of the kori bustard (Ardeotis kori)/Marie-Anne E. D'Aloia, J. H. Samour, T. A. Bailey, J. Naldo & Judith C. Howlett/161 Normal blood chemistry of the houbara bustard (Chlamydotis undulata)/Marie-Anne E. D'Aloia, J. H. Samour, Judith C. Howlett, T. A. Bailey & J. Naldo/167 Normal blood chemistry of the saker falcon (Falco cherrug)/J. H. Samour & Marie-Anne D'Aloia/175 CASE REPORTS Synovial cell sarcoma in a sulphur-crested cockatoo (Cacatua galerita)/Hedwig van der Horst, Marein van der Hage, P. Wolvekamp & J. T. Lumeij/179 Some observations on Adelie penguin (Pygoscelis adeliae) mortality in East Antarctica/R. A. McFarlane/187 NEWS /191 |