畜牧兽医学报2018，Vol.49Issue(3)：488-496,9.DOI:10.11843/j.issn.0366-6964.2018.03.004
奶牛性情评定方法及其影响因素分析
Study on Scoring Method and Influencing Factors of Temperament in Dairy Cows
摘要
Abstract
To establish simple and feasible methods to evaluate the temperament of dairy cow and study the importance of temperament in dairy production,totally 3 988 milking Holstein cows from 7 large-scale farms in Beijing were assessed to derive their temperament scores based on two easy and quick scoring methods of temperament in dairy cows during July and August in 2016.The influence factors of temperament score and the effects of temperament on milk yield and body condition score (BCS) were analyzed using fixed effect model.The results showed that both of the two methods could reveal the variation of the temperament among dairy cows,and there was no significant differences between the ranking of the two scoring methods based on rank correlation test,there was a trivial difference of 0.04 between the mean values of two scoring methods.Farm,parity and lactation stage had significant effects on temperament score (P＜0.05).The proportion of bad temperament cows tended to be higher in the first parity,and probability of dairy cows with bad temperament during lactation peak period (45-99 d) was higher than that in other lactation stages,especially when comparing to cows in the stage of later than 300 days in milk.The effects of temperament score on corrected milk yield and BCS were not significant (P＞ 0.05),however cows with different temperament scores differed in their milk production.The two temperament scoring methods for dairy cow proposed in this study are simple and easy to apply,and can be used to assess the temperament of cows in large-scale farms efficiently,which can provide convenient tools to improve the cow welfare and management.关键词
荷斯坦牛/性情评分/体况评分Key words
Holstein/temperament score/BCS分类
农业科技引用本文复制引用
张驰,董刚辉,李锡智,王雅春,罗宇茜,王嘉熠,常瑶,李源韬,苏义童,黄铭逸,徐伟,张海亮..奶牛性情评定方法及其影响因素分析[J].畜牧兽医学报,2018,49(3):488-496,9.基金项目
现代农业(奶牛)产业技术体系建设专项资金(CARS-36) （奶牛）
现代农业产业技术体系北京市奶牛创新团队(BAIC06-2017) （BAIC06-2017）
长江学者和创新团队发展计划(IRT_15R62) （IRT_15R62）
