Reproductive status, pregnancy wastage and incidence of gross genital abnormalities in cows slaughtered at maiduguri abattoir, Nigeria
2000
Chaudhari, S.U.R. | Paul-Bokko, B. (University of Maiduguri, Borno State (Nigeria) Dept. of Veterinary Surgery and Reproduction)
In a study to assess the reproductive status, pregnancy wastage and incidence of gross genital abnormalities in cows slaughtered at Maiduguri abattoir, 7375 female genitalia were examined over a period of 36 months from July 1997 to June 2000. A total of 55.49% organs were cyclic while 44.51% were non-cyclic. The cyclic organs included 12.64% at proestrus, 12.0% at estrus, 13.03% at metestrus and 17.82% at diestrus stage of the estrous cycle. Out of 3283 non-cyclic organs, 1676 were gravid from which 1676 fetuses were recovered. The fetal crown-rump (CR) lengths ranged from 6 to 85 cm with corresponding age range of 60 to 265 days. Juvenile organs with smooth ovaries were 3.78%. The gross abnormalities of the genitalia recorded included cystic ovaries (3.35%), ovarobursal adhesion (2.9%), ovarian hypoplasia (2.20%) and endometrocervicitis (1.7%). Oviductal occlusion accounted for 0.75%, hydrosalpinx 0.54%, pyometra 0.48%, parovarian cyst 0.26%, hypoplastic uterus 0.24% and uterine cyst 0.08% cases.
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