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Abstract
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Article Information:
Mycobacterium Avium and Mycobacterium intracellulare Infections in Slaughtered Pigs in Makurdi, North-Central Nigeria: An Emerging Zoonosis
R.A. Ofukwu, B.K. Iortyom and C.A. Akwuobu
Corresponding Author: R.A. Ofukwu
Submitted: 2010 January, 09
Accepted: 2010 February, 04
Published: 2010 April, 15 |
Abstract:
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Mycobacterium avium and Mycobacterium intracelluare (Mycobacterium avium complex) infections
in 462 randomly selected slaughtered pigs in Makurdi were determined over a period of 6 months to access the
disease burden and potentials for human infection. Standard methods of acid-fast microscopy, culture and
biochemical tests were used. Twelve (2.6%) of the 462 pigs slaughtered over a period of 6 months were
infected with Mycobacterium avium/intracellulare (Mycobacterium avium complex). The infections were
observed in all the months with an average monthly rate of 2.0%. Of the number infected, 7 (58.3%) were
female and 5 (41.7%) were male with sex specific incidence rate of 3.3 and 2.0% respectively. Seventy-five
percent of the infected were old while 25% were young ones with age group specific incidence rates of 5.5 and
1.0% respectively. Breed specific incidence rate of 5.9% for local breed was significantly (p<0.05) higher than
1.4% for exotic and cross breeds combined. One hundred and seventy three (37.4%) pigs from Makurdi and
other parts of Benue State, were more affected than the 289 (62.6% ) from other parts of Nigeria with respective
source specific rate of 6.2 and 2.4%. Respondents indicated that most of the pigs were reared by extensive and
semi-intensive systems with very few on intensive systems. The chance of human infection via consumption
of infected carcass or contaminated food and water is high. The need for urgent diagnosis and control of the
infection is highlighted.
Key words: Extensive system, incidence, intensive system, MAC, semi-intensive system, sex,
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Cite this Reference:
R.A. Ofukwu, B.K. Iortyom and C.A. Akwuobu, . Mycobacterium Avium and Mycobacterium intracellulare Infections in Slaughtered Pigs in Makurdi, North-Central Nigeria: An Emerging Zoonosis. International Journal of Animal and Veterinary Advances, (2): Page No: 43-46.
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ISSN (Online): 2041-2908
ISSN (Print): 2041-2894 |
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