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《Animal Husbandry & Veterinary Medicine》 2018-08
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Screening of the blood biochemical warning indicators for cows with retained placenta

SUN Hongliang;XU Mei hua;JIN Ji dong;Shao Hong ze;WANG Yao;XU Zheng mei;SHAO Li yu;LU Wen geng;College of Animal Science and Technology,Heilongjiang Bayi Agricultural University;Cofeed Feedmill (Changchun) Co.Ltd.;Research Academy of Animal Husbandry and Veterinary Medicine of Jilin Province;  
The serum biochemical indicators of animals are influenced by different rearing environments,and it is necessary to explore the early diagnostic indicators of retained placenta in dairy cows to adapt them to the rearing conditions in the Heilongjiang area. Serum biochemical indexes of cows from a commercial dairy farm in Heilongjiang Province were measured at the three time points of-7 d,0 h( parturition 0 h) and 12 h. The results showed that,at-7 d,serum UREA,P and BUN were significantly higher in the cows with retained placenta than the cows with the placenta normally discharged( P0. 01),and TP was also significantly higher in the cows with retained placenta than in the normal cows( P0. 05). At 0 h,the four serum biochemical indexes,Mg,UREA,BUN and AST,in the placenta-retained cows were significantly higher than cows with the normally discharged placenta( P0. 05). The above results indicated that the increase in UREA and BUN might be associated with the occurrence of the retained placenta in antenatal cows.
【Fund】: 校学成引进人才科研启动计划(校启2013YB-12(2031011032/011032-科研启动));; 黑龙江八一农垦大学研究生创新科研项目(YJSCX2017-Y31)
【CateGory Index】: S858.23
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