{"title":"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","authors":"I. Robles, D. F. Kelton, Trevor J. DeVries","doi":"10.1139/cjas-2023-0084","DOIUrl":null,"url":null,"abstract":"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.
","PeriodicalId":9512,"journal":{"name":"Canadian Journal of Animal Science","volume":null,"pages":null},"PeriodicalIF":1.2000,"publicationDate":"2023-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Associations of cow-level factors with the risk of poor hygiene in cows housed in free-stall and tie-stall barns\",\"authors\":\"I. Robles, D. F. Kelton, Trevor J. DeVries\",\"doi\":\"10.1139/cjas-2023-0084\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"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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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.
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.
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