SUCCESS RATE OF ARTIFICIAL INSEMINATION IN RURAL FARM IN WEST SUMATERA
Zaituni Udin, Ferdinal Rahim, Hendri and Yulia Yellita
Faculty of Animal Science of Andalas University, Padang
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ABSTRACT
An experiment was conducted to evaluate the success rate of artificial insemination in West Sumatera. The number of cows used 162 cows of four artificial insemination centre with four different parity from zero parity to parity 5th parity and frozen semen was used of four different bull. Feed similarly kept in four AI centre and data was analyzed by ANOVA of factorial of RBD. Result of this research showed that interaction between time of insemination, breed and parity were no significant different (P>0.05) on conception rate. On the contrary, there were significant different (P<0.05) on conception rate by time of insemination. The highest conception rate founded at the end of estrus 13 – 18 h (68.91 %). Local cow (71.82), third parity (59.00 %). It was concluded that the effects, time of insemination might be the important factor to get the highest conception rate of the cows. So it may be suggested that to get highest of conception rate, should inseminated the cows at the end of estrus 13 – 18 h in parity -3 and local cows was higher conception rate than the crossbred cows.
Keyword: Conception rate, Parity, Local, Crossbred, Artificial insemination