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Control of fertility outcome in artificially inseminated gilts and old sows. 1: Electric stimulation of estrous sows. Its effect on insemination results.

Fifty gilts and 33 old sows which exhibited oestrous after bio-engineering treatment were electrically stimulated during insemination, using an A.C. mains-connected unit. The average voltages applied were 3.7 volt for gilts and between 2.5 and 2.8 volt for the old sows. The current was applied rectally, and the responsiveness differed individually. The treated animals then were compared to unstimulated controls, and the achievement in terms of born piglets was 1.18 more for gilts and 1.20 more for the old sows. Those better results were attributed to electric acceleration of sperm transport.

Age Factors↗