排序方式: 共有518条查询结果,搜索用时 15 毫秒
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2003年7月5日笔者根据同性别、体重接近的原则,从青海湟源县猪场16窝30日龄断奶去势长约互三元杂种仔猪中,每窝选择健康仔猪2头,共32头。按配对设计的原则分成2组,随机分为对照组和试验组。对照组饲喂基础饲粮,试验组在基础饲粮中添加某公司生产的寡聚糖添加剂,添加量为0.3%。试验猪舍采用网床分栏饲养方式,每栏8头,对照组和试验组各2栏。30d的试验期,定时定量日喂3次,湿拌料,自由饮水。结果表明,试验组比对照组平均末重提高0.96kg,日增重提高8.1%,料重比降低7.7%(见表1)。经t检验,两组平均末重、日增重及料重比均差异不显著(P>0.05),说明… 相似文献
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衣滞康散对胎衣不下奶牛血液流变学指标的影响(英文) 总被引:1,自引:0,他引:1
[Objective] The aim of the research was to reveal the mechanism of Yizhikang powder treatment on dairy cattle with retained placenta from the hemorheological perspective. [Method] Dairy cattle with retained placenta were treated with oral administration of Yizhikang powder. And their hemorheological indexes were measured and compared with the corresponding indicators of pre-administration group, healthy group, and control group (sick but untreated). [Result] There was large decrease amplitude in the indexes (whole blood viscosity, plasma viscosity, whole blood viscosity reduction viscosity, ESR, ESR equation K value, fibrinogen content, platelet aggregation rate, RBC deformability IF value) of treated dairy cattle with retained placenta. By t test, the indexes, except hematocrit, decreased significantly after treatment (P<0.05) and reached the status of post partum healthy cows. The hemorheological indexes didn't change significantly in the control group before and after treatment. [Conclusion] Yizhikang powder could significantly improve blood flow state and reduced the occurrence of qi stagnation and blood stasis in perinatal period. 相似文献
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为研究加酶益生素对断奶仔猪的影响,笔者于2012年3—5月在青海省互助县八眉猪保种场进行断奶仔猪饲喂效果试验。1试验设计选择日龄、体重相近的长×杜×八(八眉猪)杂种仔猪32头,随机分成2组,每组16头,公母各半。对照组饲喂基础饲粮,试验组在基础饲粮中添加0.1% 相似文献
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根据世界各地兽医的观察,超重宠物数量越来越多,肥胖也越来越困扰着宠物业的发展.大约50%[1]的宠物犬被认为超重或肥胖.人医上,最常见的减肥手术是胃减容术[2].其中毕罗(Billroth)氏手术最为有效.人的胃是竖直悬挂在膈肌下方,对于犬来说,它们不能直立行走,所以犬的胃在腹腔内的悬挂方式与人不同.如果采用人医上的减容手术,对肥胖动物的减肥是不适当的,同时也可能伤害到其他组织器官.所以本试验根据犬的生理解剖特点,对传统毕罗(Billroth)氏手术方法进行改造,并比较两种手术方式对犬胃肠炎发病率、胃排空时间、肥胖相关因子以及体重的变化情况,来确定改良手术是否适用于犬的手术减肥. 相似文献
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1.1羊群与处理在海拔720米以上的毛坝、桃鱼两地随机选择112只能繁母羊(19户),分成两组。试验组一月龄以上山羊,内服阿福丁、注射羊三联四防苗,每日清除粪便堆积发酵,用复合酚对圈舍、环境消毒。对照组不作处理。不改变饲养管理方式。观察山羊的外观变化,记录羊羔死亡情况。 相似文献
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