EFFECT OF SEASONS AND BREED ON THE PERCENTAGE OF INFERTILITY AMONG COWS IN MEASAN

A.AL-SODANY; ALI KHALAF

EFFECT OF SEASONS AND BREED ON THE PERCENTAGE OF INFERTILITY AMONG COWS IN MEASAN

2006

A.AL-SODANY | ALI KHALAF

Throug a complete year a 1000 cows were subjected to asexual health examination two hundred and ten cases of affection with infertility problems were discovered in local Iraqi cows (Al-Jenubi) and their crosses with Fresian .It was found that 88 cows ( 41.9 %) as anestruse ,they were 28 cows (l3.33%) local cows and 60 cows (28.57%) crosses cows and .the percentage of anestrus did not affected by certain seasonal trend, and 49 cows (23.33%) were affected by repeat breeder,l7 cows (8.09%) of them were local cows and 32 cows (l5.23%) were crosses cows and the higher percentage of repeat breeders was in summer season. Uterine infection were 73 cows (34.76%) cases devided as 45 cows (2l.42%)local cows and 28cows (l3.33%) crosses cows and they were not affected by acertianseason with the exception of their highest incidence in winter. the results shows . that the percentage of cross cows higher than the percentage of local cows signilicantly(p< 0.0l). There is not significant correlation between seasons and affection cows with infertility .But the results shows that the local breed is more resistant to infertility problems than cross breed.

اظهر المزيد [+]