公雞閹割後失去性功能,性情溫順,飼料消耗降低,生長速度增快,便於管理,且肉質得到了改善。公雞的最佳閹割時間為1.5月齡,選擇晴朗天氣時操作,此時睾丸大小如小花生米,閹割易於成功。閹割手術需要閹割刀、擴腔器、套睾器、托睾勺、保定杆、馬尾鬃或尼龍絲等。閹割部位在最後兩根肋骨的上1/3處,呈遊離狀,顏色淡黃,形狀橢圓。睾丸前方是肺髒,後方緊靠腎髒,下方是腸子。
將(jiang)小(xiao)雞(ji)兩(liang)翅(chi)膀(pang)交(jiao)疊(die)一(yi)起(qi),兩(liang)腳(jiao)綁(bang)在(zai)保(bao)定(ding)杆(gan)木(mu)棍(gun)上(shang),右(you)側(ce)向(xiang)上(shang)使(shi)其(qi)側(ce)臥(wo)。將(jiang)閹(yan)割(ge)部(bu)位(wei)羽(yu)毛(mao)拔(ba)掉(diao),用(yong)碘(dian)酒(jiu)消(xiao)毒(du)皮(pi)膚(fu),左(zuo)手(shou)拇(mu)指(zhi)和(he)食(shi)指(zhi)將(jiang)皮(pi)膚(fu)和(he)髖(kuan)腰(yao)肌(ji)一(yi)並(bing)稍(shao)向(xiang)後(hou)拉(la),固(gu)定(ding)開(kai)刀(dao)部(bu)位(wei),右(you)手(shou)握(wo)筆(bi)式(shi)刀(dao),在(zai)開(kai)刀(dao)部(bu)位(wei)沿(yan)肋(lei)骨(gu)方(fang)向(xiang)切(qie)2-3limiqiekou。kaizhangqichengkaiqiekou,yongyangedaolingyitoudexiaogouqingqingjiangfumohuakai。youshouchituogaoshaobodongchangguan,kanjiangaowanhouzuoshouwozhutaogaoqi,zaituogaoshaodepeihexiajiangtaogaoqiqianduandemaweizongquantaoyutongshaodedibu,youhoudaoqianraozhugaowan,yilajudeshoufajianggaowanximoqieduan,zaiyongtuogaoshaoquchu。jigaowanyouliangge,jishushulianzhekezaiyicekaidaoquchuliangcegaowan,chuxuezhekeliangcekaidao,fenbiequchu。quchugaowanhou,mashangquxiakuoqiangqi,bozhengpifu,shipifukaikouyuleigujiandeshangkoucuokaigaizhu,yibanbufenghe,qiekouguochangkefenghe1-2針。
閹割前12小時絕食,排空腸道,便於手術。開口位置要準確,摘除睾丸時不要劃破腹腔血管,如果出血,要先止血。手術後的小公雞要放在清潔、幹燥的地方喂養,避免雞跳躍,仔細護理3-5天,以便傷口愈合。傷口如果化膿可用鹽水清洗,撒些消炎粉,皮下有鼓起現象,可用針刺破放氣。
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