摘要
选取40头经产奶牛,根据体重、胎次、预产期、上一泌乳期305d产奶量相近的原则,随机分为两组,分别在产后的头3天喂给产后营养补充剂,研究奶牛产后营养补充剂对新产奶牛采食量、血液中血糖和血钙、产后疾病及繁殖恢复情况的影响。结果表明:奶牛产后头3天喂给产后营养补充剂有增强奶牛产后食欲的作用,饮用后1小时奶牛血液中血糖血钙水平分别比对照组提高34.02%,18.28%。繁殖方面试验组奶牛比对照组奶牛胎衣滞留发生率减少50%,子宫恢复情况明显改善。
The objective of this study was to evaluate the changes of blood sugar,blood calcium and diseases postpartum cowwhen nutritional drink was supplemented in diets.Forty dairy cows were randomly assigned to control diet(without nutritional drink supplement),basal diet with nutritional drink The results showed that.cows Intake was improved compared to control when nutritional drink was supplemented.Meawhile after nutritional drink has been fed for an hour,blood sugar and blood calcium increased by 34.02%,18.28% compared with control,respectively.Moreover with nutritional drink supplement,retention of the placenta decreased by 50% compared with control.Taken together,our study indicated that cow healthiness was improved by dietary nutritional drink supplementation.
出处
《中国奶牛》
2011年第7期35-37,共3页
China Dairy Cattle
基金
国家奶牛产业技术体系项目(nycytx-2009)
关键词
奶牛产后营养补充剂
血糖
血钙
产后疾病
Nutritional Drink Supplement
Postpartum cow
Blood sugar,Blood calcium
Diseases
