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Cadmus KJ, Mete A, Harris M, Anderson D, Davison S, Sato Y, Helm J, Boger L, Odani J, Ficken MD, Pabilonia KL. Causes of mortality in backyard poultry in eight states in the United States. J Vet Diagn Invest 2019; 31:318-326. [PMID: 31084344 DOI: 10.1177/1040638719848718] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
A comprehensive understanding of common diseases of backyard poultry flocks is important to providing poultry health information to flock owners, veterinarians, and animal health officials. We collected autopsy reports over a 3-y period (2015-2017) from diagnostic laboratories in 8 states in the United States; 2,509 reports were collected, involving autopsies of 2,687 birds. The primary cause of mortality was categorized as infectious, noninfectious, neoplasia or lymphoproliferative disease, or undetermined. Neoplasia or lymphoproliferative disease was the most common primary diagnosis and involved 42% of the total birds autopsied; 63% of these cases were diagnosed as Marek's disease or leukosis/sarcoma. Bacterial, parasitic, and viral organisms were commonly detected, involving 42%, 28%, and 7% of the birds autopsied, respectively, with 2 or more organisms detected in 69% of birds. Our findings demonstrate the importance of educating flock owners about disease prevention and biosecurity practices. The detection of zoonotic bacteria including paratyphoid salmonellae, Campylobacter spp., Listeria monocytogenes, and Mycobacterium avium, and the detection of lead and other heavy metals, indicate public health risks to flock owners and consumers of backyard flock egg and meat products.
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Affiliation(s)
- Kyran J Cadmus
- College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO (Cadmus, Harris, Pabilonia).,California Animal Health and Food Safety Laboratory System, University of California, Davis, CA (Mete).,Georgia Poultry Laboratory Network, Gainesville, GA (Anderson).,University of Pennsylvania School of Veterinary Medicine, Kennett Square, PA (Davison).,College of Veterinary Medicine, Iowa State University, Ames, IA (Sato).,Livestock Poultry Health, Clemson University, Columbia, SC (Helm).,Pennsylvania Veterinary Laboratory, Pennsylvania Department of Agriculture, Harrisburg, PA (Boger).,College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, HI (Odani).,Texas A&M Veterinary Medical Diagnostic Laboratories, Gonzalez, TX (Ficken)
| | - Aslı Mete
- College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO (Cadmus, Harris, Pabilonia).,California Animal Health and Food Safety Laboratory System, University of California, Davis, CA (Mete).,Georgia Poultry Laboratory Network, Gainesville, GA (Anderson).,University of Pennsylvania School of Veterinary Medicine, Kennett Square, PA (Davison).,College of Veterinary Medicine, Iowa State University, Ames, IA (Sato).,Livestock Poultry Health, Clemson University, Columbia, SC (Helm).,Pennsylvania Veterinary Laboratory, Pennsylvania Department of Agriculture, Harrisburg, PA (Boger).,College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, HI (Odani).,Texas A&M Veterinary Medical Diagnostic Laboratories, Gonzalez, TX (Ficken)
| | - Macallister Harris
- College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO (Cadmus, Harris, Pabilonia).,California Animal Health and Food Safety Laboratory System, University of California, Davis, CA (Mete).,Georgia Poultry Laboratory Network, Gainesville, GA (Anderson).,University of Pennsylvania School of Veterinary Medicine, Kennett Square, PA (Davison).,College of Veterinary Medicine, Iowa State University, Ames, IA (Sato).,Livestock Poultry Health, Clemson University, Columbia, SC (Helm).,Pennsylvania Veterinary Laboratory, Pennsylvania Department of Agriculture, Harrisburg, PA (Boger).,College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, HI (Odani).,Texas A&M Veterinary Medical Diagnostic Laboratories, Gonzalez, TX (Ficken)
| | - Doug Anderson
- College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO (Cadmus, Harris, Pabilonia).,California Animal Health and Food Safety Laboratory System, University of California, Davis, CA (Mete).,Georgia Poultry Laboratory Network, Gainesville, GA (Anderson).,University of Pennsylvania School of Veterinary Medicine, Kennett Square, PA (Davison).,College of Veterinary Medicine, Iowa State University, Ames, IA (Sato).,Livestock Poultry Health, Clemson University, Columbia, SC (Helm).,Pennsylvania Veterinary Laboratory, Pennsylvania Department of Agriculture, Harrisburg, PA (Boger).,College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, HI (Odani).,Texas A&M Veterinary Medical Diagnostic Laboratories, Gonzalez, TX (Ficken)
| | - Sherrill Davison
- College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO (Cadmus, Harris, Pabilonia).,California Animal Health and Food Safety Laboratory System, University of California, Davis, CA (Mete).,Georgia Poultry Laboratory Network, Gainesville, GA (Anderson).,University of Pennsylvania School of Veterinary Medicine, Kennett Square, PA (Davison).,College of Veterinary Medicine, Iowa State University, Ames, IA (Sato).,Livestock Poultry Health, Clemson University, Columbia, SC (Helm).,Pennsylvania Veterinary Laboratory, Pennsylvania Department of Agriculture, Harrisburg, PA (Boger).,College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, HI (Odani).,Texas A&M Veterinary Medical Diagnostic Laboratories, Gonzalez, TX (Ficken)
| | - Yuko Sato
- College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO (Cadmus, Harris, Pabilonia).,California Animal Health and Food Safety Laboratory System, University of California, Davis, CA (Mete).,Georgia Poultry Laboratory Network, Gainesville, GA (Anderson).,University of Pennsylvania School of Veterinary Medicine, Kennett Square, PA (Davison).,College of Veterinary Medicine, Iowa State University, Ames, IA (Sato).,Livestock Poultry Health, Clemson University, Columbia, SC (Helm).,Pennsylvania Veterinary Laboratory, Pennsylvania Department of Agriculture, Harrisburg, PA (Boger).,College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, HI (Odani).,Texas A&M Veterinary Medical Diagnostic Laboratories, Gonzalez, TX (Ficken)
| | - Julie Helm
- College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO (Cadmus, Harris, Pabilonia).,California Animal Health and Food Safety Laboratory System, University of California, Davis, CA (Mete).,Georgia Poultry Laboratory Network, Gainesville, GA (Anderson).,University of Pennsylvania School of Veterinary Medicine, Kennett Square, PA (Davison).,College of Veterinary Medicine, Iowa State University, Ames, IA (Sato).,Livestock Poultry Health, Clemson University, Columbia, SC (Helm).,Pennsylvania Veterinary Laboratory, Pennsylvania Department of Agriculture, Harrisburg, PA (Boger).,College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, HI (Odani).,Texas A&M Veterinary Medical Diagnostic Laboratories, Gonzalez, TX (Ficken)
| | - Lore Boger
- College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO (Cadmus, Harris, Pabilonia).,California Animal Health and Food Safety Laboratory System, University of California, Davis, CA (Mete).,Georgia Poultry Laboratory Network, Gainesville, GA (Anderson).,University of Pennsylvania School of Veterinary Medicine, Kennett Square, PA (Davison).,College of Veterinary Medicine, Iowa State University, Ames, IA (Sato).,Livestock Poultry Health, Clemson University, Columbia, SC (Helm).,Pennsylvania Veterinary Laboratory, Pennsylvania Department of Agriculture, Harrisburg, PA (Boger).,College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, HI (Odani).,Texas A&M Veterinary Medical Diagnostic Laboratories, Gonzalez, TX (Ficken)
| | - Jenee Odani
- College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO (Cadmus, Harris, Pabilonia).,California Animal Health and Food Safety Laboratory System, University of California, Davis, CA (Mete).,Georgia Poultry Laboratory Network, Gainesville, GA (Anderson).,University of Pennsylvania School of Veterinary Medicine, Kennett Square, PA (Davison).,College of Veterinary Medicine, Iowa State University, Ames, IA (Sato).,Livestock Poultry Health, Clemson University, Columbia, SC (Helm).,Pennsylvania Veterinary Laboratory, Pennsylvania Department of Agriculture, Harrisburg, PA (Boger).,College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, HI (Odani).,Texas A&M Veterinary Medical Diagnostic Laboratories, Gonzalez, TX (Ficken)
| | - Martin D Ficken
- College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO (Cadmus, Harris, Pabilonia).,California Animal Health and Food Safety Laboratory System, University of California, Davis, CA (Mete).,Georgia Poultry Laboratory Network, Gainesville, GA (Anderson).,University of Pennsylvania School of Veterinary Medicine, Kennett Square, PA (Davison).,College of Veterinary Medicine, Iowa State University, Ames, IA (Sato).,Livestock Poultry Health, Clemson University, Columbia, SC (Helm).,Pennsylvania Veterinary Laboratory, Pennsylvania Department of Agriculture, Harrisburg, PA (Boger).,College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, HI (Odani).,Texas A&M Veterinary Medical Diagnostic Laboratories, Gonzalez, TX (Ficken)
| | - Kristy L Pabilonia
- College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO (Cadmus, Harris, Pabilonia).,California Animal Health and Food Safety Laboratory System, University of California, Davis, CA (Mete).,Georgia Poultry Laboratory Network, Gainesville, GA (Anderson).,University of Pennsylvania School of Veterinary Medicine, Kennett Square, PA (Davison).,College of Veterinary Medicine, Iowa State University, Ames, IA (Sato).,Livestock Poultry Health, Clemson University, Columbia, SC (Helm).,Pennsylvania Veterinary Laboratory, Pennsylvania Department of Agriculture, Harrisburg, PA (Boger).,College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, HI (Odani).,Texas A&M Veterinary Medical Diagnostic Laboratories, Gonzalez, TX (Ficken)
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