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class="position"> <em class="iconfont ca icon-dingwei"></em> <a href='http://lpo831.com/'>學(xué)習(xí)啦</a> > <a href='http://lpo831.com/zhishi/'>知識(shí)大全</a> > <a href='http://lpo831.com/yuanyin/'>原因大全</a> > <span>奶牛流產(chǎn)什么原因?qū)е碌?/span> </div> <div id="sxbdfyj" class="ar_con_nr"> <div id="inrcegi" class="con_l fl"> <article class="ar_con bg louti"> <div id="pvwjbwh" class="ar_title"> <h1>奶牛流產(chǎn)什么原因?qū)е碌?/h1> <div id="gvsuo44" class="ar_title_b"> <div id="bgi3hgi" class="sub_title clear"> <span id="sgzbdxa" class="sp2 c6 fl">時(shí)間：<time class="fxtime">2016-09-20 16:22:18</time></span> <span id="a3fh4ro" class="sp1 c6 fl"><em id="zuozhe" class="noshow">顯鈐</em><em class="user_id noshow">829</em>由 <em class="nickname"></em> 分享</span> <span id="guoxqk8" class="fl arc_btn"></span> </div> </div> </div> <div id="ze8z7r5" class="y_ju"></div> <div id="a3bzvhx" class="con_article con_main" id="contentText"> <p>奶牛流產(chǎn)什么原因?qū)е碌?/p><p> 　　奶牛流產(chǎn)是懷孕奶牛的常發(fā)病,可發(fā)生在懷孕的各個(gè)階段,但以懷孕早期較為多見(jiàn)，以下就是學(xué)習(xí)啦小編給你做的整理，希望對(duì)你有用。</p><p><strong>　　奶牛流產(chǎn)的原因以及預(yù)防方法</strong></p><p> 　　1、管理因素在日常管理中，嚴(yán)禁發(fā)情奶牛與懷孕奶?；祓B(yǎng)，嚴(yán)禁對(duì)孕奶牛粗暴鞭打、急速驅(qū)趕或讓其跨溝越坎等，以防奶牛因相互爬跨或動(dòng)作幅度過(guò)大而引起流產(chǎn)。</p><p> 　　2、空懷因素實(shí)踐證明，奶牛空懷時(shí)間越長(zhǎng)，流產(chǎn)發(fā)生的幾率越高。在生產(chǎn)中要注意控制空懷奶牛的膘情，使奶牛膘情適中，同時(shí)增加空懷奶牛的運(yùn)動(dòng)量，多喂一些青綠多汁飼料，以防奶牛過(guò)肥或過(guò)瘦而導(dǎo)致不孕和流產(chǎn)。</p><p> 　　3、環(huán)境因素奶牛圈舍地面坡度過(guò)大，水分過(guò)多，使奶牛滑到造成奶牛流產(chǎn)。在工程建設(shè)過(guò)程中，要使奶牛圈舍地面坡度小于3度，地面要粗糙。在飼養(yǎng)過(guò)程中，平時(shí)不要往地面灑水。</p><p> 　　4、年齡因素奶牛初配年齡越小，流產(chǎn)的發(fā)生率越高。生產(chǎn)中，要把青年奶牛的初配年齡控制在14月齡以上，體重在380～400公斤。另外，要加強(qiáng)對(duì)懷孕奶牛的管理。</p><p> 　　5、傳染因素布魯氏菌病常常造成奶牛大面積流行。因此，每年要在春季和秋季進(jìn)行布魯氏菌病全面監(jiān)測(cè)，及時(shí)撲殺監(jiān)測(cè)陽(yáng)性奶牛，凈化養(yǎng)殖場(chǎng)區(qū)。同時(shí)在引進(jìn)奶牛時(shí)要嚴(yán)格監(jiān)測(cè)和檢疫，對(duì)新引進(jìn)的奶牛經(jīng)隔離觀察30天，無(wú)病時(shí)方可混養(yǎng)。</p><p> 　　6、疾病因素患過(guò)子宮疾病的奶牛極易發(fā)生流產(chǎn)，生產(chǎn)中應(yīng)加強(qiáng)飼養(yǎng)管理，促使產(chǎn)后奶牛子宮的復(fù)原，及時(shí)預(yù)防和治療子宮疾病。連續(xù)發(fā)生兩次以上流產(chǎn)的奶牛應(yīng)及時(shí)淘汰。</p><p> 　　7、飼養(yǎng)因素妊娠3～5個(gè)月的奶牛流產(chǎn)率較高，妊娠前2個(gè)月的流產(chǎn)率較低。因此，要切實(shí)加強(qiáng)妊娠母牛早、中期的管理，嚴(yán)禁飼喂品質(zhì)低劣、霉?fàn)€變質(zhì)的飼料和冰凍的水。</p><p> 　　總之，預(yù)防奶牛流產(chǎn)，一是要注意奶牛營(yíng)養(yǎng)的平衡，根據(jù)奶牛營(yíng)養(yǎng)需要，保證維生素、礦物質(zhì)、微量元素?cái)z人的平衡。二是要加強(qiáng)奶牛場(chǎng)環(huán)境的獸醫(yī)衛(wèi)生監(jiān)督和定期消毒及疾病預(yù)防工作。引進(jìn)外來(lái)牛只要嚴(yán)格檢疫，不讓帶有任何疫病的牛只進(jìn)入。進(jìn)入生產(chǎn)區(qū)人員紫外線消毒時(shí)間不能少于8分鐘，進(jìn)入生產(chǎn)區(qū)車(chē)輛必須嚴(yán)格消毒，生產(chǎn)區(qū)盡量每周消毒一次。三是要重視奶牛場(chǎng)系統(tǒng)性管理，減少奶牛的應(yīng)激。</p><p><strong>　　奶牛流產(chǎn)的表現(xiàn)</strong></p><p> 　　1、隱性流產(chǎn)：常在懷孕40~60天發(fā)生隱性流產(chǎn)，胎兒死亡后組織液化、胎兒的大部分或全部被母體吸收，常無(wú)臨床癥狀。</p><p> 　　2、排出未足月的胎兒：排出未經(jīng)變化的胎兒，臨床上叫小產(chǎn)，此時(shí)胎兒及胎膜很小，多數(shù)在無(wú)分娩征兆的情況下排出胎兒;排出不足月的活胎，臨床上叫早產(chǎn)，有類(lèi)似的正常分娩的征兆，但不太明顯，常在排出胎兒前2~3天乳腺稍腫脹。</p><p> 　　3、胎兒干尸化：胎兒死在子宮中，由于黃體存在，子宮頸閉鎖，陰道中的細(xì)菌不能侵入、胎兒不腐敗分解，以后胎兒及胎膜的水分被吸收，體積縮小變硬，猶如干尸。臨床表現(xiàn)不明顯，所以不易發(fā)現(xiàn)。若經(jīng)常注意母牛的全身狀況，則可發(fā)現(xiàn)母牛懷孕至某一時(shí)間后，懷孕的外表現(xiàn)象不再發(fā)展。直腸檢查感到子宮呈圓球狀，其大小依胎兒死亡時(shí)間的不同而異，且較懷孕月份應(yīng)有的體積小得多。子宮壁緊包著胎兒，摸不到胎動(dòng)、胎水及子葉。有時(shí)子宮與周?chē)M織發(fā)生粘連，卵巢上有黃體，觸摸不到懷孕脈搏。</p><p> 　　4、胎兒浸溶：指胎兒死于子宮內(nèi)，非腐敗性微生物浸入，使胎兒軟組織液化分解，排出紅褐色或棕黃色的腐臭黏液及膿汁，且偶爾帶有小短骨片，直腸檢查發(fā)現(xiàn)子宮內(nèi)有殘存的胎兒骨片。</p><p> 　　5、胎兒腐敗分解：胎兒死于子宮內(nèi)，腐敗菌浸入，使胎兒軟組織腐敗分解，產(chǎn)生硫化氫、氨、二氧化碳等氣體，積于胎兒軟組織、胸腹腔內(nèi)，病畜表現(xiàn)腹圍增大，精神不振、不安、頻頻努責(zé)，從陰門(mén)流出污紅色惡臭的液體，食欲減退，體溫升高，陰道檢查有炎癥表現(xiàn)，子宮頸開(kāi)張，觸診胎兒皮下有捻發(fā)音。</p><p><strong>　　奶牛流產(chǎn)怎么辦?</strong></p><p> 　　1.對(duì)先兆流產(chǎn)的處理：孕畜出現(xiàn)輕微腹痛、起臥不安、呼吸脈搏稍加快等臨床癥狀，但子宮頸黏液塞未溶解、即可能發(fā)生流產(chǎn)。處理的原則為安胎，可采取肌注土霉素(布氏滅)注射液，每日1次連用數(shù)次。</p><p> 　　2.對(duì)于胎兒干尸化和浸溶的處理：可使用前列腺素制劑，繼之或同時(shí)應(yīng)用雌激素，溶解黃體并促子宮頸擴(kuò)張。因?yàn)楫a(chǎn)道干澀，在子宮及產(chǎn)道內(nèi)灌入潤(rùn)滑劑，以利于死胎排出。</p><p> 　　對(duì)胎兒浸溶，如軟組織已基本液化，須盡可能將胎骨逐塊取出，分離骨骼有困難時(shí)，須根據(jù)情況先將它破壞后再取出。取出干尸化及浸溶胎兒后，用消毒液或5%～10%鹽水沖洗子宮，并注射縮宮素。對(duì)于胎兒浸溶，必須在子宮內(nèi)注入氟苯尼考(氟強(qiáng)桿特)，同時(shí)給予全身治療。<br/></p><p> 奶牛流產(chǎn)的原因相關(guān)文章：</p><p> 1.<a _href="http://lpo831.com/aihao/siyang/1095148.html" href="http://lpo831.com/aihao/siyang/1095148.html" target="_blank">飼養(yǎng)西門(mén)塔爾牛的方法</a></p><p> 2.<a _href="http://lpo831.com/gushi/yuyangushi/999137.html" href="http://lpo831.com/gushi/yuyangushi/999137.html" target="_blank">有寓意的兒童寓言故事</a></p><p> 3.<a _href="http://lpo831.com/aihao/siyang/1503983.html" href="http://lpo831.com/aihao/siyang/1503983.html" target="_blank">母牛的飼養(yǎng)管理技術(shù)</a></p> </div> <div id="t8loz5b" class="y_ju"></div> <div id="3y3gmg3" class="pnum"> <ul id="page_slice"> <div id="vlnq340" class="clear"></div> </ul> </div> </article> <div id="yecdpbi" class="list_hot ar_related bj_mt20 louti"> <h4 class="title2 title2_te">相關(guān)文章</h4> <ul class="bj_mt20"> <li id="hwyknpa" class="lb_3 chao"> 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