2TURKSTRA J A, ZENG X Y, DIEPEN J, et al. Performance of male pjgs immunized against GnRH is related to the time of onset of bio- logical response [ J ]. J Anita Sci ,2002,80:2953 -2959.
3TURKSTRA J A,ZENG X Y,DIEPEN J,et al.Performance of malepigs immunized against GnRH is related to the time of onset of biologi-cal responseThe Journal of Animal Ecology,2002.
