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<blockquote data-quote="wbvs58" data-source="post: 1720224" data-attributes="member: 16453"><p>Angus Australia has a very good bull benchmark trial that has been running for about 12 years now. Usually about 30 bulls are entered in each cohort and they try to include some overseas bulls such as from the US as a cross reference. Each bull has to provide 100 straws of semen which is used on 100 heifers from co operator herds. Data is collected along the way and the steer progeny enter a feedlot where individual feed intake is recorded along with weight gain and then carcase measurements on slaughter. The data is used to verify EBV's as well as to improve the accuracy of genomic markers. There is a lot of other research that is a spin off of the trial as well. The heifer progeny are followed through to joining and calving as well.</p><p></p><p>Ken</p></blockquote><p></p>
[QUOTE="wbvs58, post: 1720224, member: 16453"] Angus Australia has a very good bull benchmark trial that has been running for about 12 years now. Usually about 30 bulls are entered in each cohort and they try to include some overseas bulls such as from the US as a cross reference. Each bull has to provide 100 straws of semen which is used on 100 heifers from co operator herds. Data is collected along the way and the steer progeny enter a feedlot where individual feed intake is recorded along with weight gain and then carcase measurements on slaughter. The data is used to verify EBV's as well as to improve the accuracy of genomic markers. There is a lot of other research that is a spin off of the trial as well. The heifer progeny are followed through to joining and calving as well. Ken [/QUOTE]
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