奶牛水平因素与自由栏和捆绑栏饲养的奶牛卫生不良风险的关联

IF 1.2 4区农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Canadian Journal of Animal Science Pub Date : 2023-10-19 DOI:10.1139/cjas-2023-0084

I. Robles, D. F. Kelton, Trevor J. DeVries

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引用次数: 0

摘要

本研究的目的是确定与身体卫生不良相关的奶牛水平因素。来自68个商业奶牛群(n=2644)[自由栏(n=43)];在加拿大安大略省的tie-stall (n=25)]被纳入。每3次(间隔7 d)对奶牛进行卫生评分。在自由栏的牛棚中，年龄较大的奶牛乳房、上肢和腹部脏的风险更高，而在系栏的牛棚中，年龄较小的奶牛上肢和腹部脏的风险更高。无论是在自由栏还是捆绑栏饲养的奶牛，产奶天数越长，卫生状况越好。

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Associations of cow-level factors with the risk of poor hygiene in cows housed in free-stall and tie-stall barns

The objective of this study was to identify cow-level factors associated with poor body hygiene. Cows (n=2644) from 68 commercial dairy herds [free-stall (n=43); tie-stall (n=25)] in Ontario, Canada were enrolled. Cows were hygiene scored on each of 3 visits (7-d apart). Older cows were at higher risk of having a dirty udder and dirty upper legs and flanks in free-stall barns and younger cows were at higher risk of having dirty upper legs and flanks in tie-stall barns. Higher days in milk was associated with better hygiene for cows housed in both free-stall or tie-stall barns.

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来源期刊

Canadian Journal of Animal Science 农林科学-奶制品与动物科学

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： Published since 1957, this quarterly journal contains new research on all aspects of animal agriculture and animal products, including breeding and genetics; cellular and molecular biology; growth and development; meat science; modelling animal systems; physiology and endocrinology; ruminant nutrition; non-ruminant nutrition; and welfare, behaviour, and management. It also publishes reviews, letters to the editor, abstracts of technical papers presented at the annual meeting of the Canadian Society of Animal Science, and occasionally conference proceedings.