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首页> 外文期刊>Animal Production Science >Perceptions and knowledge of measurement in selection programs: a survey of stud Merino breeders in Australia
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Perceptions and knowledge of measurement in selection programs: a survey of stud Merino breeders in Australia

机译：选拔计划中的测量知识和知识：对澳大利亚美利奴种马育种人员的一项调查

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摘要

A total of 329 (25%) stud Merino breeders returned a survey designed to evaluate their knowledge of, and attitudes to, objective measurement in sheep breeding and performance recording. The data were analysed by log-linear regression techniques. There was overwhelming agreement that performance records were not as valid as traditional methods, but there was general agreement that measurement improves accuracy of selection, increases genetic gain, assists ram buyers and breeders, and increases flock earnings. There is a significant concern regarding the accuracy of fleece tests. Most respondents (60%) intend to increase their use of measurement, although the common attitude was that measurement only gives back-up to visual assessment. Some answers demonstrated a lack of understanding of the principles of applying measurement. There appears to be a difference between breeders and those more closely involved with technical genetics in interpretation of the term 'breeding objective'. Department of Agriculture Officers and Stock Agents rated poorly as sources of information. Rural newspapers and magazines are confirmed as useful media for awareness. It was concluded that a number of barriers to adoption of objective measurement and performance recording need to be overcome, including suspicion about the accuracy of the fleece tests, and the ram age at which testing can be conducted with confidence.
机译：共有329名（25％）的美利奴种羊返回了一项调查，旨在评估他们对绵羊育种和性能记录客观测量的知识和态度。通过对数线性回归技术分析数据。人们普遍认为绩效记录不如传统方法有效，但普遍认为测量可以提高选择的准确性，增加遗传增益，协助公羊购买者和育种者以及增加鸡群收入。羊毛测试的准确性令人担忧。大多数受访者（60％）打算增加对度量的使用，尽管普遍的态度是度量仅对视觉评估提供支持。一些答案表明对测量原理缺乏理解。在解释“育种目标”一词时，育种者和与技术遗传学密切相关的育种者之间似乎有所不同。农业官员和库存代理部门对信息来源的评价很差。农村报纸和杂志被确认为提高认识的有用媒体。结论是，需要克服许多阻碍采用客观测量和性能记录的障碍，包括怀疑羊毛测试的准确性以及可以放心进行测试的时间。

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  • 来源
    《Animal Production Science》 |1995年第6期|p.681-692|共12页
  • 作者

    LG Butler SR Corkrey IJ Knox G Hannan and RP Thomson;

  • 作者单位

    A Department of Primary Industry and Fisheries, PO Box 46, Kings Meadows, Tas. 7249, Australia.Gordon Technical College, Private Bag 1, Mail Centre, Geelong, Vic. 3220, Australia.University of Tasmania, School of Teacher Education, PO Box 1214, Launceston, Tas. 7250, Australia.;

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