Effect of artificial insemination and natural mating on reproductive parameters in pigs of warm-humid climate region

Abstract

Artificial insemination is a popular assisted reproductive technology that ensures transfer of genetic information from animal to animal. This study was meant to evaluate the influence of artificial insemination to natural mating on selected reproductive parameters. Five hybrid females of Duroc-landrace line were used while three boars were used for the mating where fresh semen was collected from 2 hybrid boars of Yorkshire-Landrace and Yorkshire- Pietrain line and the third boar-a Durocbreed (control) was used to stimulated the sows into oestrus and mate them naturally. Result showed that Landrace-Yorkshire had shorter time for semen release than Pietrain-Yorkshire breed at first and second time of collecting the semen. Similarly, live born piglets of artificial insemination served sow was twenty-four percent higher than natural mating. Therefore, a well time artificial insemination method using fresh semen would improve the number of piglets at parturition.