Recording of calf diseases for potential use in breeding programs: a case study on calf respiratory illness and diarrhea

IF 1.2 4区 农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE
N. van Staaveren, E. Hyland, K. Houlahan, C. Lynch, F. Miglior, D. Kelton, F. Schenkel, C. Baes
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引用次数: 1

Abstract

Abstract Calf diseases remain a challenge for dairy producers from both an economic and welfare perspective. Genetically selecting for disease resistance in calves is a promising approach that could contribute to sustainable dairy farming. Genetic evaluations, however, require well-defined and consistently recorded phenotypes to be successful. Therefore, this study aimed to understand the current state of calf disease recording on Ontario farms. Calf disease records of respiratory illness and diarrhea were available from the national milk recording organization (Lactanet Canada, Guelph, Ontario, Canada) from 2009 to 2020. A case study was conducted to describe calf disease diagnoses and recording practices by surveying a subset of 13 Ontario dairy producers. The percentage of milk recorded farms that recorded calf respiratory illness and calf diarrhea increased from 2.6% in 2009 to 11.1% in 2020. Potential sources of data loss were identified along the information chain from farm to genetic evaluation database. Clear definitions and thresholds to diagnose calf disease, standard operating procedures for data recording, as well as a data transfer pipeline, which includes exchange formats, are needed to facilitate the inclusion of calf health traits in genetic evaluations.
记录小牛疾病以备育种计划之用:小牛呼吸道疾病与腹泻个案研究
从经济和福利的角度来看,小牛疾病仍然是乳品生产者面临的挑战。对小牛进行抗病基因选择是一种很有前途的方法,可能有助于可持续的奶牛养殖。然而,遗传评估需要明确定义和一致记录的表型才能成功。因此,本研究旨在了解安大略省农场小牛疾病记录的现状。从2009年到2020年,可从国家牛奶记录组织(Lactanet Canada, Guelph, Ontario, Canada)获得呼吸道疾病和腹泻的小牛疾病记录。通过调查13个安大略省乳制品生产商的一个子集,进行了一个案例研究,以描述小牛疾病的诊断和记录实践。有小牛呼吸道疾病和腹泻记录的奶场比例从2009年的2.6%上升到2020年的11.1%。在从农场到遗传评估数据库的信息链上确定了潜在的数据丢失来源。诊断小牛疾病的明确定义和阈值、数据记录的标准操作程序以及包括交换格式在内的数据传输管道,都需要有助于将小牛健康特征纳入遗传评估。
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来源期刊
Canadian Journal of Animal Science
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
51
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.
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