Abstract |
Eighteen flocks of sheep were serologically tested for antibody to maedi-visna virus. A total of 4284 serum samples were tested by agar gel diffusion test and 1015 (24%) were found positive. Prevalence of infection increased with the age of sheep. Within age groups, the lowest prevalence was in the group at 1 year or less (7%) and gradually increased to the highest prevalence at 5 years of older (52%). A difference in prevalence of infection among breeds and sexes was seen but not proven because of inadequate numbers. All flocks tested were infected with a range of serological prevalence from 1.2% to 45.9%.
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Authors | J Kita, R C Cutlip, W Kempski, J Sacks |
Journal | Polskie archiwum weterynaryjne
(Pol Arch Weter)
Vol. 30
Issue 1-2
Pg. 5-11
( 1990)
ISSN: 0079-3647 [Print] Poland |
PMID | 1966747
(Publication Type: Comparative Study, Journal Article)
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Chemical References |
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Topics |
- Age Factors
- Animals
- Antibodies, Viral
(analysis)
- Immunodiffusion
(methods)
- Pneumonia, Progressive Interstitial, of Sheep
(diagnosis, epidemiology, immunology, microbiology)
- Poland
(epidemiology)
- Prevalence
- Sheep
(immunology, microbiology)
- Visna-maedi virus
(immunology, isolation & purification)
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