春天至初夏是牛的配種旺季,在這個季節裏,調整種公牛性機能,增強它們的配種能力,從而提高母牛的配種準胎率,是十分必要的。
母牛配種準胎率的高低,與種公牛配種能力的大小有很大關係;種公牛配種能力的大小,與其性機能的強弱有直接的關係;種公牛性機能的強弱,又與其氣質、性格有關。
種公牛按其氣質和性格來分,可分為三種類型:第一種類型是氣質、xinggehuopoxing。zhezhonggongniuhenrongyixingchengtiaojianfanshe,peizhongshixingdongminjie,xingfendekuai。zaipeizhongguochengzhongyumuniupeihexietiao,shejingchongfen,keshunliwanchengmeicidepeizhongrenwu。dierzhongleixingshiqizhi、性xing格ge烈lie暴bao型xing。這zhe種zhong公gong牛niu好hao勝sheng心xin強qiang,配pei種zhong時shi表biao現xian頑wan強qiang。在zai配pei種zhong過guo程cheng中zhong,有you時shi雖sui精jing力li消xiao耗hao殆dai盡jin,但dan仍reng勇yong往wang交jiao配pei。這zhe樣yang,配pei種zhong效xiao果guo往wang往wang不bu好hao。第di三san種zhong類lei型xing是shi氣qi質zhi、性(xing)格(ge)安(an)靜(jing)懦(nuo)弱(ruo)型(xing)。這(zhe)種(zhong)公(gong)牛(niu)不(bu)愛(ai)活(huo)動(dong),不(bu)容(rong)易(yi)興(xing)奮(fen)。配(pei)種(zhong)時(shi)表(biao)現(xian)膽(dan)小(xiao),在(zai)嘈(cao)雜(za)不(bu)安(an)靜(jing)的(de)情(qing)況(kuang)下(xia),往(wang)往(wang)拒(ju)絕(jue)交(jiao)配(pei),給(gei)配(pei)種(zhong)帶(dai)來(lai)一(yi)定(ding)的(de)困(kun)難(nan)。
用(yong)以(yi)上(shang)三(san)種(zhong)類(lei)型(xing)的(de)種(zhong)公(gong)牛(niu)進(jin)行(xing)配(pei)種(zhong),必(bi)須(xu)在(zai)保(bao)證(zheng)滿(man)足(zu)其(qi)對(dui)各(ge)種(zhong)營(ying)養(yang)需(xu)要(yao)的(de)基(ji)礎(chu)上(shang),分(fen)別(bie)采(cai)取(qu)針(zhen)對(dui)性(xing)的(de)方(fang)法(fa)來(lai)調(tiao)整(zheng)其(qi)性(xing)機(ji)能(neng),使(shi)其(qi)能(neng)適(shi)應(ying)配(pei)種(zhong)的(de)需(xu)要(yao)。對(dui)第(di)一(yi)種(zhong)類(lei)型(xing)的(de)種(zhong)公(gong)牛(niu),應(ying)提(ti)供(gong)更(geng)好(hao)的(de)配(pei)種(zhong)條(tiao)件(jian)和(he)環(huan)境(jing),盡(jin)量(liang)保(bao)持(chi)和(he)延(yan)長(chang)其(qi)良(liang)好(hao)的(de)性(xing)機(ji)能(neng)。對(dui)第(di)二(er)種(zhong)類(lei)型(xing)的(de)種(zhong)公(gong)牛(niu),則(ze)要(yao)建(jian)立(li)嚴(yan)格(ge)的(de)配(pei)種(zhong)製(zhi)度(du),有(you)計(ji)劃(hua)地(di)讓(rang)其(qi)進(jin)行(xing)交(jiao)配(pei)。而(er)且(qie)還(hai)要(yao)用(yong)3%的溴化鈉溶液1.5升一次灌服,每天一次,連灌15天tian左zuo右you。對dui第di三san種zhong類lei型xing的de種zhong公gong牛niu,則ze可ke有you計ji劃hua地di讓rang其qi運yun動dong,並bing經jing常chang進jin行xing睾gao丸wan按an摩mo。實shi踐jian證zheng明ming,給gei種zhong公gong牛niu進jin行xing睾gao丸wan按an摩mo,能neng增zeng加jia局ju部bu血xue流liu量liang,改gai善shan局ju部bu營ying養yang條tiao件jian,並bing提ti高gao性xing激ji素su的de活huo動dong性xing,從cong而er使shi性xing機ji能neng得de到dao增zeng強qiang。按an摩mo方fang法fa是shi,先xian用yong溫wen水shui給gei種zhong公gong牛niu洗xi陰yin囊nang。洗xi後hou再zai用yong手shou揉rou搓cuo按an摩mo陰yin囊nang、精索、睾丸和副睾。每次10分鍾,每天一次。與此同時,還要用咖啡堿溶液灌服,方法是用咖啡堿4克,配製成濃度為1%的將液,一次灌服,每天一次,連灌15天左右。這樣,可收到更好的配種效果。
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