自然交配自然交配是把公母豬放在一起飼養，公豬隨意與發情母豬交配。一般15頭～20toumuzhufangruyitougongzhu
，rangqiziranjiaopei。zheyizaochenggongmuzhuluanjiaolanpei，muzhuquefapeizhongjilu，wufatuisuanyuchanqi，gongzhulanpei，shiyongguodu，yingxiangjiankang
，zhezhongpeizhongfangshizaiyangzhushengchanshangyihenshaocaiyong。

 

　　人ren工gong輔fu助zhu交jiao配pei人ren工gong輔fu助zhu交jiao配pei的de公gong豬zhu平ping時shi不bu混hun在zai一yi起qi飼si養yang，而er在zai母mu豬zhu發fa情qing時shi，將jiang母mu豬zhu趕gan到dao指zhi定ding地di點dian與yu公gong豬zhu交jiao配pei或huo將jiang公gong豬zhu趕gan到dao母mu豬zhu欄lan內nei交jiao配pei。當dang公gong豬zhu爬pa上shang母mu豬zhu背bei時shi，輔fu助zhu人ren員yuan用yong手shou把ba母mu豬zhu尾wei拉la開kai，另ling一yi手shou牽qian引yin公gong豬zhu包bao皮pi引yin導dao陰yin莖jing插cha入ru陰yin道dao。然ran後hou觀guan察cha公gong豬zhu射she精jing情qing況kuang，當dang公gong豬zhu射she精jing完wan後hou
，立li即ji將jiang公gong豬zhu趕gan走zou
，以yi免mian進jin行xing第di二er次ci交jiao配pei。這zhe種zhong方fang法fa能neng合he理li地di使shi用yong公gong豬zhu。

 

　　rengongshoujingrengongshoujingshiyirenweidefangfacaidegongzhudejingye，ranhoutongguoyidingdeshouduanshurumuzhuzigongnei，shimuzhuhuaiyundeyixiangjishu。zairengongshoujingjishubuhenshuliandeqingkuangxia，caiyongrengongshoujingdeshoutailvhuibifuzhujiaopeidiyixie。muqianzhuchangyongdebijiaoduodeshizaiyigefaqingqizhongjinxingyicirengongfuzhujiaopeihe1次～2次人工授精，早上進行人工輔助交配，下午進行人工授精
，第二天上午再次進行人工授精，受胎率平均可達93％。輸精的速度宜慢不宜快，以5分鍾～8分鍾為宜。