Infertility Problem in dairy buffaloes in relation to management

This study was carried out on three private dairy farms atSharkeya province in addition to individual cases belonged to thepeasants at Hehia city and some villages . This work included threeexperiment:J- First experiment: Reproductive traits of Egyptian buffaloescows.In this experiment three private specialised dairy farms weremonitored in addition to 100 individual cases belonged to the peasantsat Hehia city and some villages for collecting the data to explain themain causes of infertility problem in Egyptian dairy buffaloes mrelation 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 betweenspecialised dairy farms and village system although, theseresults were higher at specialised dairy farms with intensivemanagement compared with village systems(P<0.05).2- The time of post partum oestrous, conception and inseminationtimes improved with specialised dairy farms than village systemand the difference was highly significance. As the dairybuffaloes reared at specialised dairy farms came to post partumoestrous and insemination faster than those reared at villagesystem.