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在奶牛产奶期接种针对问号钩端螺旋体哈焦血清型感染的疫苗对妊娠率的影响。

The effect of vaccination against Leptospira interrogans serovar hardjo infection at the time of service on pregnancy rates in dairy cows.

作者信息

Dhaliwal G S, Murray R D, Downham D Y, Dobson H

机构信息

Department of Veterinary Clinical Science and Animal Husbandry, University of Liverpool, Leahurst, Neston, South Wirral, UK.

出版信息

Vet Res. 1994;25(2-3):271-4.

PMID:8038799
Abstract

Fertility data from 16 dairy herds vaccinated against hardjo infection were used to assess pregnancy rates in cattle vaccinated around the day of mating. There was no improvement in pregnancy rates 30-60 d after vaccination. Pregnancy rates in the period 5 d before and 10 d after vaccination were statistically lower than those found in 30-60 d around vaccination.

摘要

来自16个接种了硬焦虫感染疫苗的奶牛群的繁殖数据，用于评估在配种日前后接种疫苗的牛的妊娠率。接种疫苗后30至60天，妊娠率没有提高。接种疫苗前5天和接种疫苗后10天期间的妊娠率在统计学上低于接种疫苗前后30至60天的妊娠率。

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1
The effect of vaccination against Leptospira interrogans serovar hardjo infection at the time of service on pregnancy rates in dairy cows.在奶牛产奶期接种针对问号钩端螺旋体哈焦血清型感染的疫苗对妊娠率的影响。
Vet Res. 1994;25(2-3):271-4.
2
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