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Sánchez FD, Yela IJ, Alfonseca E, Campuzano J, Morales E, Aguilar C. Respiratory tract infection caused by Mycobacterium bovis in a black swan (Cygnus atratus). Avian Pathol 2016; 45:126-31. [PMID: 26743683 DOI: 10.1080/03079457.2015.1134765] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
A 3-year-old male black swan (Cygnus atratus), belonging to a private collection, died suddenly and was subjected to post mortem examination. At necropsy, caseous exudate was observed in the lungs and air sacs; granulomatous lesions characterized by epithelioid macrophages and abundant mycobacteria were observed microscopically. Avian tuberculosis associated with Mycobacterium bovis was confirmed by bacteriologic isolation, biochemical tests and molecular methods. The organism was identified as spoligotype SB0140, which is frequently found in cattle and people in North America. In this case, interspecies transmission could have been the source of infection because the swan cohabited with cattle.
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Affiliation(s)
- F D Sánchez
- a Departamento de Medicina y Zootecnia de Aves , Universidad Nacional Autónoma de México , México DF , Mexico
| | - I J Yela
- b Departamento de Microbiología e Inmunología , Universidad Nacional Autónoma de México , México DF , Mexico
| | - E Alfonseca
- b Departamento de Microbiología e Inmunología , Universidad Nacional Autónoma de México , México DF , Mexico
| | - J Campuzano
- c Departamento de Patología, Facultad de Medicina Veterinaria y Zootecnia , Universidad Nacional Autónoma de México , México DF , Mexico
| | - E Morales
- c Departamento de Patología, Facultad de Medicina Veterinaria y Zootecnia , Universidad Nacional Autónoma de México , México DF , Mexico
| | - C Aguilar
- d Práctica en clínica privada , México DF , Mexico
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Kelly P, Jahns H, Power E, Bainbridge J, Kenny K, Corpa JM, Cassidy JP, Callanan JJ. Mycobacteriosis in Ostriches (Struthio camelus) due to Infection withMycobacterium bovisandMycobacterium aviumComplex. Avian Dis 2013; 57:808-11. [DOI: 10.1637/10581-052313-case.1] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Walter WD, Anderson CW, Smith R, Vanderklok M, Averill JJ, VerCauteren KC. On-farm mitigation of transmission of tuberculosis from white-tailed deer to cattle: literature review and recommendations. Vet Med Int 2012; 2012:616318. [PMID: 22991687 PMCID: PMC3444046 DOI: 10.1155/2012/616318] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2012] [Revised: 07/16/2012] [Accepted: 07/17/2012] [Indexed: 11/17/2022] Open
Abstract
The Animal Industry Division of the Michigan Department of Agriculture and Rural Development (MDARD) has been challenged with assisting farmers with modifying farm practices to reduce potential for exposure to Mycobacterium bovis from wildlife to cattle. The MDARD recommendations for on-farm risk mitigation practices were developed from experiences in the US, UK and Ireland and a review of the scientific literature. The objectives of our study were to review the present state of knowledge on M. bovis excretion, transmission, and survival in the environment and the interactions of wildlife and cattle with the intention of determining if the current recommendations by MDARD on farm practices are adequate and to identify additional changes to farm practices that may help to mitigate the risk of transmission. This review will provide agencies with a comprehensive summary of the scientific literature on mitigation of disease transmission between wildlife and cattle and to identify lacunae in published research.
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Affiliation(s)
- W. David Walter
- National Wildlife Research Center, Animal and Plant Health Inspection Services, United States Department of Agriculture, 4101 LaPorte Ave, Fort Collins, CO 80521, USA
- US Geological Survey, Pennsylvania Cooperative Fish and Wildlife Research Unit, Pennsylvania State University, 403 Forest Resources Building, University Park, PA 16802, USA
| | - Charles W. Anderson
- National Wildlife Research Center, Animal and Plant Health Inspection Services, United States Department of Agriculture, 4101 LaPorte Ave, Fort Collins, CO 80521, USA
- Missouri Department of Conservation, Resource Science Division, 551 Joe Jones Boulevard, West Plains, MO 65775, USA
| | - Rick Smith
- Animal Industry Division, Michigan Department of Agriculture and Rural Development, Lansing, MI 48909, USA
| | - Mike Vanderklok
- Animal Industry Division, Michigan Department of Agriculture and Rural Development, Lansing, MI 48909, USA
| | - James J. Averill
- Animal Industry Division, Michigan Department of Agriculture and Rural Development, Lansing, MI 48909, USA
| | - Kurt C. VerCauteren
- National Wildlife Research Center, Animal and Plant Health Inspection Services, United States Department of Agriculture, 4101 LaPorte Ave, Fort Collins, CO 80521, USA
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O’Brien DJ, Schmitt SM, Fitzgerald SD, Berry DE. Management of bovine tuberculosis in Michigan wildlife: Current status and near term prospects. Vet Microbiol 2011; 151:179-87. [PMID: 21414734 DOI: 10.1016/j.vetmic.2011.02.042] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Heatley JJ, Mitchell MM, Roy A, Cho DY, Williams DL, Tully TN. Disseminated mycobacteriosis in a bald eagle (Haliaeetus leucocephalus). J Avian Med Surg 2008; 21:201-9. [PMID: 18087937 DOI: 10.1647/1082-6742(2007)21[201:dmiabe]2.0.co;2] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A mature bald eagle (Haliaeetus leucocephalus) was diagnosed with mycobacterial infection after being presented for an inability to fly, emaciation, and a swelling of the left tibiotarsal-tarso metatarsal joint. Results of a complete blood cell count revealed a persistent, marked leukocytosis, with heterophilia, monocytosis, and anemia. Radiographs revealed lysis of the left distal tibiotarsus and soft-tissue swelling around the left tibiotarsal-tarsometatarsal joint, multiple pulmonary opacities, and an enlarged liver. Endoscopic evaluation and biopsy of caseated material within the left caudal coelom revealed acid-fast organisms. The eagle was euthanatized, and results of necropsy and histologic evaluation revealed caseated granulomas of the intestine, lungs, air sacs, and subcutaneous regions of the hock. Results of culture, a polymerase chain reaction testing, and direct deoxyribonucleic acid (DNA) sequencing for mycobacterial 16S ribosomal ribonucleic acid DNA determined this organism most likely to be Mycobacterium avium.
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Affiliation(s)
- J Jill Heatley
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843-4474, USA
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Clarke KR, Fitzgerald SD, Hattey JA, Bolin CA, Berry DE, Church SV, Reed WM. Experimental Inoculation of Wild Turkeys (Meleagris gallopavo) with Mycobacterium bovis. Avian Dis 2006; 50:131-4. [PMID: 16617997 DOI: 10.1637/7456-101405r.1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Although avian species are known to be susceptible to infection with Mycobacterium spp. organisms, much remains unknown about the susceptibility of birds to infection with M. bovis. The objective of this current study was to determine if wild turkeys (Meleagris gallopavo) can be infected with M. bovis when inoculated by the oral or intratracheal route. Six turkeys were orally inoculated and another six were inoculated via the trachea with a high dose of M. bovis, 1 x 10(5) CFU/ml. Six turkeys were sham-inoculated controls. Two turkeys from each treatment group were sacrificed on days 30, 60, and 90 postinoculation. There were no gross or microscopic lesions consistent with mycobacteriosis in the 23 inoculated turkeys over the 90-day duration of this study. Fecal cultures were also consistently negative for M. bovis when sampled before inoculation and on days 1, 30, and 60 postinoculation. Two intratracheally inoculated turkeys were positive for M. bovis in visceral tissues at 30 days postinoculation. However, this finding was only indicative of passive persistence of mycobacteria in the tissues and not of infection, as there were no attendant lesions or clinical compromise to support infection. Thus, it can be concluded that young wild turkeys are resistant to infection with M. bovis and, therefore, pose minimal threat as reservoir or spillover hosts for this organism.
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Affiliation(s)
- K R Clarke
- Department of Pathobiology and Diagnostic Investigation, Michigan State University, Lansing, MI 48910-8107, USA
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O'brien DJ, Schmitt SM, Fitzgerald SD, Berry DE, Hickling GJ. Managing the wildlife reservoir of Mycobacterium bovis: The Michigan, USA, experience. Vet Microbiol 2006; 112:313-23. [PMID: 16376030 DOI: 10.1016/j.vetmic.2005.11.014] [Citation(s) in RCA: 119] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Historical, social and economic factors combined to provide a focus where bovine tuberculosis has become established in free-ranging wildlife in northeastern lower Michigan. White-tailed deer, the primary reservoir and maintenance host of tuberculosis, are highly valued by the public, and particularly hunters, for cultural and economic reasons. Since 1995, significant progress has been made in defining and reducing the reservoir of tuberculosis in deer. As yet, no other wildlife species has been shown to play an epidemiologically important role in the disease cycle. The importance of deer and deer hunting to Michigan has uniquely shaped tuberculosis control policies, and poses ongoing challenges as wildlife managers strive to maintain momentum for broad control strategies, and develop focused strategies that are publicly acceptable. Even if momentum and funding can be maintained, tuberculosis will likely continue to be present for a decade or longer. Thus, cattle producers waiting for tuberculosis to be eradicated from wildlife to eliminate risks to their herds and markets face disappointment for the foreseeable future. Such unrealistic expectations also place Michigan's federal tuberculosis accreditation status at perpetual risk. Accredited free status is unlikely to be regained without accompanying changes in cattle management. In Michigan, management of tuberculosis has clearly demonstrated that social issues and public approval are likely to be the critical limiting factors in control.
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Affiliation(s)
- Daniel J O'brien
- Wildlife Disease Laboratory, Michigan Department of Natural Resources, 4125 Beaumont Road, Room 250, Lansing, MI 48910-8106, USA.
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