AVIAN DISEASES 45:1075—1086, 2001 CONTENTS—JANUARY-—MARCH 2001 Regular Articles Genetic Stability of the VP2 Hypervariable Region of Four Infectious Bursal Disease Virus Isolates After Serial Passage in Specific-Pathogen-Free Chicken Embryos. JEFFREY R. SMILEY AND DARAL J. JACKWOOD Coinfection of Specific-Pathogen-Free Chickens with Marek’s Disease Virus (MDV) and Chicken Infectious Anemia Virus: Effect of MDV Pathotype. ANDREA M. MILEs, SANJAY M. REDDY, AND ROBIN W. MORGAN Experimental Infection of Specific-Pathogen-Free Chickens with Serotype- 1 Fowl Adenovirus Isolated from a Broiler Chicken with Gizzard Ero- sions. YO OKUDA, MASAAKI ONO, SHIGETO YAZAWA, ISAO SHIBATA, AND SHIZUO SATO Detection of Infectious Bursal Disease Virus in Experimentally Infected Chickens by In Situ Hybridization. HOLLY S. SELLERS, PEDRO N. VILLE- GAS, JOHN EL-ATTRACHE, DARRELL R. KAPCZYNSKI, AND CORRIE C. BROWN Characterization of Nine Pasteurella multocida Isolates from Avian Cholera Outbreaks in Indonesia. MELINA JONAS, TERESA Y. MORISHITA, ELISABETH J. ANGRICK, AND JONAS JAHJA Vacuolating Cytotoxin Produced by Avian Pathogenic Escherichia coli. M. R. SALVADORI, T. YANO, H. EF CARVALHO, V. R. PARREIRA, AND C. L. The Exacerbating Effect of Infectious Bronchitis Virus Infection on the In- fectious Bursal Disease Virus—Induced Suppression of Opsonization by Escherichia coli Antibody in Chickens. SYED NAQI, GERTRUDE THOMPSON, BEVERLEY BAUMAN, AND HussNit MOHAMMED Differences Among Six Salmonella Serovars in Abilities to Colonize Re- productive Organs and to Contaminate Eggs in Laying Hens. MASASHI OKAMURA, YUKA KAMIJIMA, TADASHI MIYAMOTO, HIROYUKI TANI, KAZUMI SASAI, AND EIICHIROH BABA Characterization of Mycoplasma gallisepticum Infection in Captive House Finches (Carpodacus mexicanus) in 1998. SHARON R. ROBERTS, PAUL M. PUREE AW, ADU ROU Biv FI obs is exe escnctoneteasssecasdanwdaweds Inactivation of an Astrovirus Associated with Poult Enteritis Mortality Syn- drome. STACEY SCHULTZ-CHERRY, DANIEL J. KING, AND MATTHEW D. 1076 Table of Contents, 2001 Vaccination Against Salmonella enteritidis in Dutch Commercial Layer Flocks with a Vaccine Based on a Live Salmonella gallinarum 9R Strain: Evaluation of Efficacy, Safety, and Performance of Serologic Salmonella Tests. A. FEBERWEE, T. S. DE VRIES, E. G. HARTMAN, J. J. DE Wirt, A. R. W. ELBERS, AND W. A. DE JONG Immunogenicity and Antigenicity of Very Virulent Strains of Infectious Bur- sal Disease Viruses. G. A. ABDEL-ALIM AND Y. M. SAIF In Vivo Events of Retroviral Long Terminal Repeat Integration into Marek’s Disease Virus in Commercial Poultry: Detection of Chimeric Molecules as a Marker. [RIT DAVIDSON AND RINAT BORENSHTAIN Antibody Responses of Hens Fed Vitamin E and Passively Acquired Anti- bodies of Their Chicks. K. BOA-AMPONSEM, S. E. PRICE, P. A. GERAERT, DEE IGARIDs ZA ND PEt ES HELL, oie 5 wySewa Materiel a ees)c s iy ba eet ae coho EN CiS ae aed eo Fecal Shedding and Antimicrobial Susceptibility of Selected Bacterial Path- ogens and a Survey of Intestinal Parasites in Free-Living Waterfowl. D. M. FALLACARA, C. M. MONAHAN, T. Y. MORISHITA, AND R. EFW ACK Baculovirus Expression of Turkey Coronavirus Nucleocapsid Protein. JAMIE J. BRESLIN, LYNDA G. SMITH, AND JAMES S. Guy Safety and Efficacy of In Ovo Administration of Infectious Bursal Disease Viral Vaccines. J. J. GIAMBRONE, T. DORMITORIO, AND T. BROWN Reduced Incidence of Clostridium perfringens—Associated Lesions and Im- proved Performance in Broiler Chickens Treated with Normal Intestinal Bacteria from Adult Fowl. M. KALDHUSDAL, C. SCHNEITZ, M. HOFSHAGEN, AND E. SKJERVE Experimental Bovine Coronavirus in Turkey Poults and Young Chickens. M. M. IsMaAIL, K. O. CHo, L. A. WARD, L. J. SAIF, AND Y. M. SAIF Identification and Analysis of the Georgia 98 Serotype, a New Serotype of Infectious Bronchitis Virus. CHANG-WON LEE, DEBORAH A. HILT, AND MARK W. JACKWOOoD Genetic Variability of Avian Escherichia coli Strains Evaluated by Entero- bacterial Repetitive Intergenic Consensus and Repetitive Extragenic Pal- indromic Polymerase Chain Reaction. ALEXANDRE CARVALHO DE Moura, KINUE IRINO, AND MARILDA CARLOS VIDOTTO Prevalence and Characteristics of Pasteurella multocida in Commercial Tur- keys. PYONE PYONE AYE, ELISABETH J. ANGRICK, TERESA Y. MorISHITA, AND BRIAN S. HARR Research Notes— Cellulitis in Broiler Chickens: A One-Year Retrospective Study in Four Québec Abattoirs. MICHELLE TESSIER, MARIE-ANDREE FREDETTE, GUY BEAUCHAMP, AND MARTINE BOULIANNE Table of Contents, 2001 Comparison of Salmonella Isolation Rates in Different Types of Egg-Layer Hen Houses in Chiba, Japan. A. MATsuMoTO, M. MIiyAMA, AND S. Mu- RAKAMI Molecular Epidemiology of Infectious Bronchitis Virus Isolates from China and Southeast Asia. L. Yu, Z. WANG, Y. JIANG, S. Low, AND J. KWANG Efficacy of Narasin in the Prevention of Necrotic Enteritis in Broiler Chick- ens. J. BRENNAN, R. BAGG, D. BARNuM, J. WILSON, AND P. DICK Vertical Induction of the Inclusion Body Hepatitis/Hydropericardium Syn- drome with Fowl Adenovirus and Chicken Anemia Virus. H. Toro, O. GONZALEZ, C. ESCOBAR, L. CERDA, M. A. MORALES, AND C. GONZALEZ. Molecular Typing of Infectious Bursal Disease Virus of Israeli Field and Vaccine Strains by the Reverse Transcription/Polymerase Chain Reaction/ Restriction Fragment Length Polymorphism Assay. R. MEIr, D. J. JACK- WOOD, AND Y. WEISMAN Case Reports— Ventricular Septal Defect in a Houbara Bustard (Chlamydotis undulata mac- queenii). T. A. BAILEY AND J. KINNE Gizzard Erosion in Broiler Chicks by Group I Avian Adenovirus. T. ABE, K. NAKAMURA, T. ToJO, AND N. YUASA Gizzard Impaction in Lesser Rhea Chicks (Pterocnemia pennata) Raised on Farms in Patagonia, Argentina. ELIZABETH CHANG REISSIG AND CARLOS A. ROBLES Isolation of Newcastle Disease Virus and Salmonella typhimurium from the Brain of Double-Crested Cormorants (Phalacrocorax auritus). ALFONSO CLAVHO; YVES ROBINSON, AND JOSE LOPEZ «..06<.00. 0<c.css.secs4as nes Proximal Aortic Dissection (Dissecting Aortic Aneurysm) in a Mature Os- trich. M. C. FERRERAS, J. GONZALEZ, V. PEREZ, L. E. REYES, N. GOMEZ, C. PEREZ, J. M. CoORPA, AND J. EF GARCiA-MARIN Avian Influenza Epidemic in Italy Due to Serovar H7N1. A. ZANELLA, P. DALL’ ARA, AND P. A. MARTINO Ocular and Encephalic Toxoplasmosis in Canaries. SUSAN M. WILLIAMS, RICHARD M. FULTON, JAMES A. RENDER, LINDA MANSFIELD, AND MICHELLE BOULDIN Epizootic Outbreaks of Gizzard Erosion Associated with Adenovirus Infec- tion in Chickens. MASAAKI ONO, YO OKUDA, SHIGETO YAZAWA, ISAO SHIBATA, NOBUHIKO TANIMURA, KUMIKO KIMURA, MAKOTO HARITANI, MA- SAJL MASE, AND SHIZUO SATO 1078 Table of Contents, 2001 Atypical Parasitic Migration and Necrotizing Sacral Myelitis due to Serra- tospiculoides amaculata in a Prairie Falcon (Falco mexicanus). MICHELLE G. HAWKINS, SUZANA Couto, LISA A. TELL, VICTORIA JOSEPH, AND LINDA FINN, 5 ose Sednd ew Ridncy ak Vesta eneniones Mere ee aed eee Guidelines for Authors CONTENTS—APRIL-—JUNE 2001 Regular Articles The Kinetics of Hemopexin and al-Acid Glycoprotein Levels Induced by Injection of Inflammatory Agents in Chickens. KEvYN L. ADLER, PHYLLIS H. PENG, RAYMOND K. PENG, AND KIRK C. KLASING Molecular Characterization of Brazilian Infectious Bursal Disease Viruses. N. IkuTA, J. EL-ATTRACHE, P VILLEGAS, M. GarciA, V. R. LUNGE, A. S. K. FONSECA, C. OLIVEIRA, AND E. K. MARQUES Blackhead Disease (Histomonas meleagridis) Aggravated in Broiler Chick- ens by Concurrent Infection with Cecal Coccidiosis (Eimeria tenella). L. R. MCDOUGALD AND JINGHUI HU The Interaction Between Newcastle Disease Virus and Escherichia coli En- dotoxin in Chickens. AMNA B. EL TAYEB AND ROBERT P. HANSON Mycoplasma gallisepticum in House Finches (Carpodacus mexicanus) and Other Wild Birds Associated with Poultry Production Facilities. M. P. LUTTRELL, D. E. STALLKNECHT, S. H. KLEVEN, D. M. KAVANAUGH, J. L. CORN, AND J. R. FISCHER Amino Acid Comparison of Infectious Bursal Disease Viruses Placed in the Same or Different Molecular Groups by RT/PCR-RFLP. D. J. JAckKwoop, S. E. SOMMER, AND H. V. KNOBLICH Study of Protection by Recombinant Fowl! Poxvirus Expressing C-Terminal Nucleocapsid Protein of Infectious Bronchitis Virus Against Challenge. L. Yu, W. Liu, W. M. SCHNITZLEIN, D. N. TRIPATHY, AND J. KWANG .... The Influence of Crumble and Mash Feed on Oral Lesions of White Leghorn Laying Hens. B. Darr, D. READ, M. MANZER, A. BICKFORD, AND H. PS 5 hie KGAA ssp wa cde ie Saks OSA Gra IE wa ew ROE ea a Efficacy of Vaccines in Chickens Against Highly Pathogenic Hong Kong HS5N1 Avian Influenza. DAviD E. SWAYNE, JOAN R. BECK, MICHAEL L. PERDUE, AND CHARLES W. BEARD Spike Glycoprotein Cleavage Recognition Site Analysis of Infectious Bron- chitis Virus. MARK W. JACKWoobD, DEBORAH A. HILT, Scotr A. CALLISON, CHANG-WON LEE, HAMILTON PLAZA, AND EMMA WADE .............---- Table of Contents, 2001 1079 Genetic Characterization of Chicken Anemia Virus from Commercial Broil- er Chickens in Alabama. Vicky L. VAN SANTEN, LANQING LI, FREDERIC J. HOERR, AND LLOYD H. LAUERMAN The In Vivo and In Vitro Effects of Chicken Interferon a on Infectious Bursal Disease Virus and Newcastle Disease Virus Infection. C. W. Mo, Y. C. CAO, AND B. L. LIM Genetic Variation in Susceptibility to Marek’s Disease in a Commercial Broiler Population. M. G. EMARA, M. A. ABDELLATIF, D. L. POLLOCK, M. SADJADI, S. S. CLoup, C. R. Pope, J. K. ROSENBERGER, AND H. KIM Detection and Screening of Salmonella enteritidis—Infected Chickens with Recombinant Flagellin. LEE FAH YAP, SHARON Low, We! Liu, HILDA Lon, THAM PENG TEO, AND JIMMY KWANG Characterization of Three Infectious Bronchitis Virus Isolates from China Associated with Proventriculus in Vaccinated Chickens. Li Yu, YIHAI JIANG, SHARON LOw, ZHILIANG WANG, SEAH JUNE NAM, WEI LIU, AND JIMMY KWANG The Relationship Between the Magnitude of the Specific Antibody Response to Experimental Salmonella enteritidis Infection in Laying Hens and Their Production of Contaminated Eggs. RICHARD K. GAST AND PETER S. HOLT Research Notes Comparison of Heterophil Phagocytosis Heterophil-Adapted Salmonella enteritidis (HASE) and Wild-Type Salmuuella enteritidis (SE). CLAIRE B. ANDREASEN, JACQUELINE K. AKUNDA, AND TED T. KRAMER A Novel Delivery of Oxytetracycline in Turkey Breeder Hens. D. K. CARv- ER, J. L. GRIMES, V. L. CHRISTENSEN, K. A. Joyce, B. D. FAIRCHILD, AND A. S. FAIRCHILD Adenovirus Pathogenicity in Immature Ostriches. J. EL-ATTRACHE, P. VIL- LEGAS, B. O’CONNoR, J. R. BUHR, AND G. N. ROWLAND Bacterial Flora of the Conjunctiva and Nasal Cavity in Normal and Diseased Captive Bustards. C. D. SILVANOsE, T. A. BAILEY, J. L. NALDO, AND J. C. HOWLETT Loss of Virulence by Heterophil-Adapted Salmonella pullorum. Tep T. KRAMER AND MELISSA HIRL In Vitro Susceptibility of Avian Mycoplasmas to Enrofloxacin, Sarafloxacin, Tylosin, and Oxytetracycline. C. WANG, M. EWING, AND S. Y. A’ARABI Relationship of Increased Fowl! Cholera Outbreaks in Turkeys with High Environmental Temperatures. EGIL SIMENSEN AND LEROY D. OLSON .... 1080 Table of Contents, 2001 Plasma Biochemistry in Pigeons Experimentally Infected with Salmonella. M. VEREECKEN, P. DE HERDT, M. VANROBAEYS, R. DUCATELLE, A. DE- RORE, AND E HAESEBROUCK In Vivo Biologic Effects of Recombinant-Turkey Interferon-Gamma in Neo- natal Leghorn Chicks: Protection Against Salmonella enteritidis Organ Invasion. MORGAN B. FARNELL, MOHAMED EL HALAWANI, SEUNGKWON You, AUDREY P. MCELRoy, BILLY M. HARGIS, AND DAviD J. CALDWELL Effect of Prolonged Heat Stress in Single-Comb White Leghorn Hens on Progeny Resistance to Salmonella enteritidis Organ Invasion. MORGAN B. FARNELL, RANDLE W. Moore, AUDREY P. MCELROY, BILLY M. HARGIs, Fo Me RRS Be: er eet mee pee mer errs seem re ree Serologic Reactions Against Salmonella in Samples from Broiler Parent Stock With and Without Preceding Colibacillosis: A Case-Control Study. KIM O. GRADEL, NIELS C. FELD, AND JENS S. ANDERSEN Molecular Characterization of Infectious Bronchitis Virus Isolates Foreign to the United States and Comparison with United States Isolates. S. A. CALLISON, M. W. JACKWOoD, AND D. A. HILT Presence and Recovery of Ascaridia dissimilis Ova on the External Shell Surface of Turkey Eggs. ELIZABETH M. SEATON, CLIFTON M. MONAHAN, AND TERESA Y. MORISHITA In Situ Localization of Infectious Bursal Disease Virus-Binding Cells by a Biotin—Streptavidin System. C. Y. XUE AND B. L. LIM Selection of Thermostable Newcastle Disease Virus Progeny from Reference and Vaccine Strains. D. J. KING No Effect of Turkey Herpesvirus Infections on the Outcome of Avian Pneu- movirus Infections in Turkeys. SASKIA VAN DE ZANDE, HANS NAUWYNCK, AND MAURICE PENSAERT Case Reports— An Outbreak of Duck Viral Enteritis (Duck Plague) in Domestic Muscovy Ducks (Cairina moschata domesticus) in Illinois. ENZzo R. CAMPAGNOLO, MONTY BANERJEE, BRUNDABAN PANIGRAHY, AND RICK L. JONES Detection of Chicken Anemia Virus DNA in the Thymus of Naturally In- fected Chicks in Turkey. H. YILMAZ, N. TuRAN, N. Y. OzcGur, C. R. HELPS, AND O. AKAY Monitoring Mycoplasma gallisepticum and Mycoplasma synoviae Infection in Breeder Chickens After Treatment with Enrofloxacin. WILLIAM A. STANLEY, CHARLES L. HOFACRE, GORDON SPEKSNIJDER, STANLEY H. KLEv- EN, AND SAMUEL E. AGGREY Infraorbital Sinusitis Associated with Pasteurella multocida in Pen-Raised Ring-Necked Pheasants. R. P- CHIN AND M. GOSHGARIAN fable of Contents, 2001 Guidelines for Authors CONTENTS—JULY-—SEPTEMBER 2001 Regular Articles Role of Campylobacter jejuni Potential Virulence Genes in Cecal Coloni- zation. RICHARD L. ZIPRIN, COLIN R. YOUNG, J. ALLEN ByrbD, LARRY H. STANKER, MICHAEL E. HUME, SEAN A. GRAY, BONG J. KIM, AND MICHAEI E. KONKEL Characterization of Infectious Laryngotracheitis Virus Isolates: Demonstra- tion of Viral Subpopulations Within Vaccine Preparations. MARIACARMEN GARCIA AND SYLVA M. RIBLET Biological and Molecular Characterization of a Pigeon Paramyxovirus Type- | Isolate Found in Argentina. FLAVIA ZANETTI, ROSANA MATTIELLO, CES- AR GARBINO, ANALiA KALOGHLIAN, MARIA VICTORIA TERRERA, JUAN BOv- IEZ, EDUARDO PALMA, ELISA CARRILLO, AND ANALiA BERINSTEIN Purification of a Cross-Protective Antigen from Pasteurella multocida Grown In Vitro and In Vivo. RICHARD B. RIMLER Detection of Avian Pneumovirus in Tissues and Swab Specimens from In- fected Turkeys. JANICE C. PEDERSEN, DENNIS A. SENNE, B. PANIGRAHY, AND DONALD L. REYNOLDS Protective Efficacy of High-Passage Avian Pneumovirus (APV/MN/turkey/ l-a/97) in Turkeys. BALDEV R. GULATI, DEvI P. PATNAYAK, ANWAR M. SHEIKH, PETER E. Poss, AND SAGAR M. GOyAI Pathology and Histopathology of Gossypol Toxicity in Broiler Chicks. M. H. HENRY, G. M. PEsTI, AND T. P. BROWN A Reverse Transcriptase—Polymerase Chain Reaction Assay for Detecting Highlands J Virus. CHRIS A. WHITEHOUSE, ANGELA GUIBEAU, DENNIS McGuire, TSUTOMU TAKEDA, AND THOMAS N. MATHER Infectious Bronchitis Serology in Broilers and Broiler Breeders: Correlations Between Antibody Titers and Performance in Vaccinated Flocks. P. DE HERDT, R. DUCATELLE, E. UYTTEBROEK, A. SNEEP, AND R. TORBEYNS Molecular Characterization of Seven Field Isolates of Infectious Bursal Dis- ease Virus Obtained from Commercial Broiler Chickens. A. BANDA, P. VILLEGAS, J. EL-ATTRACHE, AND C. ESTEVEZ Combination of Competitive Exclusion and Immunization with an Attenu- ated Live Salmonella Vaccine Strain in Chickens. ULRICH METHNER, AN- GELA BERNDT, AND GUNTHER STEINBACH 1082 Table of Contents, 2001 Early Posthatch Protection Against Marek’s Disease in Chickens Vaccinated In Ovo with a CVI988 Serotype 1 Vaccine. Y. ZHANG AND J. M. SHARMA Detection and Persistence of Infectious Bursal Disease Virus in Specific- Pathogen-Free and Commercial Broiler Chickens. G. A. ABDEL-ALIM AND Research Notes Pathogenicity and Drug Susceptibility of the Pasturella anatis Isolated in Chickens in Taiwan. M. Y. Lin, K. J. Lin, Y. C. LAN, M. E LIAw, AND M. C. TUNG Differences in the Pathogenicity of Various Bacterial Isolates Used in an Induction Model for Gangrenous Dermatitis in Broiler Chickens. T. D. WILDER, J. M. BARBAREE, K. S. MACKLIN, AND R. A. NORTON Reticuloendotheliosis Virus Integration in the Fowl Poxvirus Genome: Not a Recent Event. TAE-JOONG KIM AND DEOKI N. TRIPATHY Genotypic and Phenotypic Characterization of Potential Virulence of Intes- tinal Avian Escherichia coli Strains Isolated in Algeria. MELHA MELLATA, RABAH BAKOUR, ETIENNE JACQUEMIN, AND JACQUES G. MAINIL Serotyping of Haemophilus paragallinarum Isolates from Mexico by the Kume Hemagglutinin Scheme. E. V. SORIANO, P. J. BLACKALL, S. M. Daso, G. I. TELLEZ, G. A. GARC{A-DELGADO, AND R. P. FERNANDEZ Aerosolization of Newcastle Disease Vaccine Virus and Entercoccus fae- calis. W. J. M. LANDMAN AND J. H. H. VAN Eck Retrospective Ultramicroscopic Investigation on Naturally Cryptosporidial- Infected Commercial Turkey. G. TACCONI, V. PEDINI, A. M. GARGIULO, M. COLETTI, AND D. PIERGILI-FIORETTI Prevalence of Salmonella, Campylobacter, and Escherichia coli on Ostrich Carcasses and the Susceptibility of Ostrich-Origin E. coli Isolates to Var- ious Antibiotics. ELIZABETH C. Ley, TERESA Y. MorisHitA, THOMAS BRISKER, AND BRIAN S. HARR Use of a Genetic Marker for Wild-Type Potentially Pathogenic Infectious Bursal Disease Viruses. D. J. JAckKwoop, E. H. BYERLEY, AND S. E. Som- Epidemiology and Significance of Chicken Infectious Anemia Virus Infec- tions in Broilers and Broiler Parents Under Nonvaccinated European Cir- cumstances. P. DE HERDT, G. VAN DEN Boscu, R. DUCATELLE, E. UYTTE- BROEK, AND C. SCHRIER Experimental Inoculation of European Starlings (Sturnus vulgaris) and American Crows (Corvus brachyrhynchos) with Mycobacterium bovis. K. L. BuTLer, S. D. FITZGERALD, D. E. BERRY, S. V. CHURCH, W. M. Pe A Sc ae Ce oie nk Cech betes esknceuaecesseaeeeanseeies Table of Contents, 2001 Poor Serologic Response to Upper Respiratory Infection with Mycoplasma synoviae in Turkeys. S. H. KLEVEN, G. N. ROWLAND, AND M. C. KUMAR A Field Study of Naturally Occurring Specific Antibodies Against Clostrid- ium perfringens Alpha Toxin in Norwegian Broiler Flocks. B. T. HEIER, A. LOVLAND, K. B. SOLEIM, M. KALDHUSDAL, AND J. JARP Elevation of Muscle and Plasma 3-Methylhistidine as a Result of Turkey Coccidiosis. R. H. FETTERER AND P. C. AUGUSTINE .................005: Case Reports— Sudden Death of a Bearded Vulture (Gypaetus barbatus) Possibly Caused by Newcastle Disease Virus. A. LUBLIN, S. MECHANI, Y. SIMAN-Tovy, Y. Weisman, 59, I. Homowitz, ANDO. TEATIOPS «0666 ccccicinecssseewsxeeses Cases of Swollen Head Syndrome in Broiler Chickens in Greece. GEORGE GEORGIADES, PRODROMOS IORDANIDIS, AND MARIA KOUMBATI Gizzard Nematodiasis in Japanese Mountain Hawk Eagle (Spizaetus nipa- lensis). KikKUyYASU NAKAMURA, TAKAYUKI OHYAMA, ASUKA SAITO, MAN- ABU YAMADA, TADAO IMADA, AND MASAJI MASE ..............22-00008 Tuberculosis in Geese (Anser anser) in Turkey. K. Ozcan, E. BeEyTuT, E AYDIN, AND M. Tuzcu Enteritis as a Cause of Mortality in the Western Bluebird (Sialia mexicana). R. J. BILDFELL, E. K. ELTZROTH, AND J. G. SONGER Erratum Guidelines for Authors