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来源：百度知道 编辑：UC知道 时间：2024/05/16 05:32:04
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In Exp. 2, short-term FBE for 4 d before PG600 improved the
induction response by 17% and decreased the interval from PG600 to
estrus by 1.4 d, compared with no boar exposure before PG600. This
finding is consistent with previous reports comparing boar
exposure to no boar exposure as the sole stimulus for prepubertal
gilt induction (Hughes et al., 1990). Unexpectedly, there was no
interaction for the effect of boar exposure and age group on
expression of estrus. However, we noted that the 180-d-old gilts
showed a numerical, but nonsignificant increase in estrous
expression compared with the 160-d-old gilts. Dziuk (1991)
suggested that gilts induced closer to their natural age of puberty
have improved reproductive responses.
In Exp. 2, short-term FBE for 4 d before PG600 improved the
induction response by 17% and decreased the interval from PG600 to
estrus by 1.4 d, compared with no boar exposure before PG600. This
finding is consistent with previous reports comparing boar
exposure to no boar exposure as the sole stimulus for prepubertal
gilt induction (Hughes et al., 1990). Unexpectedly, there was no
interaction for the effect of boar exposure and age group on
expression of estrus. However, we noted that the 180-d-old gilts
showed a numerical, but nonsignificant increase in estrous
expression compared with the 160-d-old gilts. Dziuk (1991)
suggested that gilts induced closer to their natural age of puberty
have improved reproductive responses.
空手道. 2 短期fbe 4天前乏改善了感应回应了17% ,减少了区间为情 发情的1.4天,比没有野猪曝光之前情. 这一调查结果与先前的报告比较公猪暴露不暴露公猪作为唯一的刺激prepubertal 镀金感应(休斯et al . 1990年) . 不料,没有互动的效果公猪接触和年龄组的表达发情. 但是,我们也注意到, 180日龄母猪显示数值, 但nonsignificant增加动情表达相比160日龄母猪. dziuk ( 1991 )指出母猪诱导贴近自然的青春期,有改善生殖反应.