TY - JOUR ID - TI - EFFECT OF SEASONS AND BREED ON THE PERCENTAGE OF INFERTILITY AMONG COWS IN MEASAN تاثير الفصل والسلالة على نسبة العقم للابقار في ميسان AU - ALI KHALAF,A.AL-SODANY علي خلف السوداني PY - 2006 VL - 5 IS - 1 SP - 19 EP - 24 JO - Basrah Journal of Veterinary Research مجلة البصرة للابحاث البيطرية SN - 18138497 24108456 AB - Throug a complete year a 1000 cows were subjected to asexual health examinationtwo hundred and ten cases of affection with infertility problems were discovered in localIraqi 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 cowsand .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 and32 cows (l5.23%) were crosses cows and the higher percentage of repeat breeders was insummer 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 byacertianseason with the exception of their highest incidence in winter. the results shows. that the percentage of cross cows higher than the percentage of local cowssignilicantly(p< 0.0l).There is not significant correlation between seasons and affection cows withinfertility .But the results shows that the local breed is more resistant to infertility problemsthan cross breed.

ER -