[Experimental studies of the modification of the reproductive process during early pregnancy in young sows using the Gn-RH analog Gonaret "Berlin Chemistry"].
1990
: Thirty-three inseminated gilts received treatment on the tenth day of gravidity, using 50 micrograms of Gonavet "Berlin-Chemie", a gonadotropin releasing hormone analogue. They were all slaughtered on the 32nd or 33rd day of gravidity. The number of pregnant sows was higher by 4.6 percent than that among 29 controls kept in parallel. Embryo survival rate of treated sows was 12.3 percent above that recorded from the controls. No findings indicative of any detrimental effect of treatment were recordable from the ovaries of all sows slaughtered. The results so far obtained are likely to encourage more investigations on controllability of embryonic development in swine.
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