yinweigoumaihesiyangyouliangzhonggongzhudechengbenbijiaoda,sanhuchangchanggoumaixuetongbuchundegongzhuzuozhongyong,daozhihoudaishengchanlixiajiang。weiletigaoxiaoyi,changchangbugugongzhudepeizhongchengshounengli,changshijianguodupinfandiliyong,youshi1天配種3次、4次,連續幾天不休息,有時還不顧公豬體況和環境限製,即使公豬剛剛吃完食,或者剛剛運動完畢,也進行配種。
過guo度du利li用yong的de直zhi接jie後hou果guo是shi,公gong豬zhu因yin配pei種zhong強qiang度du過guo大da,配pei種zhong效xiao果guo越yue來lai越yue差cha,受shou胎tai率lv下xia降jiang,產chan仔zai數shu減jian少shao,公gong豬zhu的de性xing欲yu急ji劇ju下xia降jiang,體ti質zhi越yue來lai越yue差cha,還hai沒mei有you到dao達da理li想xiang的de利li用yong年nian限xian,也ye隻zhi能neng忍ren痛tong淘tao汰tai掉diao。有you時shi為wei了le早zao受shou益yi,在zai月yue齡ling不bu足zu、體重不達標的情況下,使用種公豬進行配種,這樣做不但配種受胎率很低,產仔數很少,還會造成公豬早衰,縮短利用年限。
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