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Autor:
J A, Turkstra, X Y, Zengt, J T h M, van Diepent, A W, Jongbloed, H B, Oonk, D F M, van de Wielt, R H, Meloen
Publikováno v:
Journal of animal science. 80(11)
In this study, the performance of male pigs immunized against GnRH was determined in relation to the onset of their biological response to the immunization. Pigs were immunized at 9 and 17 wk of age and were housed in a pen together with both a surgi