Seroreactivity of Peruvian sheep and goats to small ruminant lentivirus-ovine progressive pneumonia virus.

B. R. Madewell, E. Ameghino, H. Rivera, L. Inope, J. De Martini

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Abstract

Sera from 3,369 sheep and 1,394 goats in Peru were examined by agar-gel immunodiffusion for antibodies to ovine progressive pneumonia virus (OPPV). The point prevalence rates for antibodies to OPPV in sheep were 1.7% to 40.6% (mean, 19.02%) in the 7 flocks studied, whereas for goats, the point prevalence rates for antibodies that cross-reacted with OPPV in 12 herds were 0.0% to 45.1%. For sheep, a direct association between increasing age and increasing seroreactivity to OPPV was established, and there was evidence to indicate that lambs born to primiparous ewes and raised separated from all other sheep after they were weaned may have been less likely to become infected with OPPV than those lambs born to multiparous ewes and not separated from other sheep after they were weaned. For goats, antibodies to OPPV were detected in 7 of 12 herds studied, the highest infection rate being present within a herd in the Lima department (district).
Original languageAmerican English
Pages (from-to)372-374
Number of pages3
JournalAmerican Journal of Veterinary Research
StatePublished - 1 Mar 1987

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