الفهرس | Only 14 pages are availabe for public view |
Abstract This study was carried out on three private dairy farms at Sharkeya province in addition to individual cases belonged to the peasants at Hehia city and some villages . This work included three experiment: J- First experiment: Reproductive traits of Egyptian buffaloes cows. In this experiment three private specialised dairy farms were monitored in addition to 100 individual cases belonged to the peasants at Hehia city and some villages for collecting the data to explain the main causes of infertility problem in Egyptian dairy buffaloes m relation to management system. The obtained results could be summarized as the following: 1- There was a non significance variation in age at first oestrous, insemination, first calving and calving interval between specialised dairy farms and village system although, these results were higher at specialised dairy farms with intensive management compared with village systems(P<0.05). 2- The time of post partum oestrous, conception and insemination times improved with specialised dairy farms than village system and the difference was highly significance. As the dairy buffaloes reared at specialised dairy farms came to post partum oestrous and insemination faster than those reared at village system. |