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<blockquote data-quote="Jeanne - Simme Valley" data-source="post: 64465" data-attributes="member: 968"><p>Calving ease is more important that Birth Weight EPD according to John Pollak at Cornell U (does all the EPD's for Simmental breed). He would like to drop the BW EPD.</p><p></p><p>Here's some stats to chew on:</p><p>"Calving data collected by Montana State Univ on over 2000 British heifers prove that Simm sires, when selected for calving ease, can be used successfully on heifers." </p><p></p><p>"Simmental sires now calve easier than Herefords and comparable to Angus (within 2%) when used on cows. Simmental females calve easier than any Continental or British breed." - based on USDA MARC</p><p></p><p>In ASA's Carcass Merit Program - "since 1998, 4000 british heifers AI mated (to bulls with +10 calving ease) - Avg BW 77.6 poiund " </p><p>In the beginning of the CMP, all crossbred calves were harvested for carcass data. Large farms like Sitz Angus were used. The farms decided they wanted to keep the heifers, so now the program allows them to keep the 1/2 blood heifers.</p><p></p><p>So, if the Simmental bull has a +10 Calving Ease EPD, by all means use him over a heavy BW Angus. Angus is PERCEIVED to be the calving ease breed, but it is a misnoma (sp?) There are bulls of all breeds that are easy & bulls of all breeds that are hard. It's your job to figure out which is which, and EPD's are a tool.</p><p>Also, be sure to evaluate what they look like. Don't pick a bull with a big head & most importantly big shoulders. You want him clean, flat fronted.</p></blockquote><p></p>
[QUOTE="Jeanne - Simme Valley, post: 64465, member: 968"] Calving ease is more important that Birth Weight EPD according to John Pollak at Cornell U (does all the EPD's for Simmental breed). He would like to drop the BW EPD. Here's some stats to chew on: "Calving data collected by Montana State Univ on over 2000 British heifers prove that Simm sires, when selected for calving ease, can be used successfully on heifers." "Simmental sires now calve easier than Herefords and comparable to Angus (within 2%) when used on cows. Simmental females calve easier than any Continental or British breed." - based on USDA MARC In ASA's Carcass Merit Program - "since 1998, 4000 british heifers AI mated (to bulls with +10 calving ease) - Avg BW 77.6 poiund " In the beginning of the CMP, all crossbred calves were harvested for carcass data. Large farms like Sitz Angus were used. The farms decided they wanted to keep the heifers, so now the program allows them to keep the 1/2 blood heifers. So, if the Simmental bull has a +10 Calving Ease EPD, by all means use him over a heavy BW Angus. Angus is PERCEIVED to be the calving ease breed, but it is a misnoma (sp?) There are bulls of all breeds that are easy & bulls of all breeds that are hard. It's your job to figure out which is which, and EPD's are a tool. Also, be sure to evaluate what they look like. Don't pick a bull with a big head & most importantly big shoulders. You want him clean, flat fronted. [/QUOTE]
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