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feedlots and double muscling.
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<blockquote data-quote="MikeC" data-source="post: 112176" data-attributes="member: 1604"><p>Growth rate is not a negative factor in double muscled cattle generally. The grow at about the same rate but have larger ribeyes and more lean meat than non-DM cattle.</p><p></p><p>An excerpt from a recent study:</p><p>The DM cattle were not significantly heavier than the NM cattle at slaughter, but they produced heavier carcasses and higher dressing percentages (Table 1). The increased yield of carcass weight was in part due to the increased amount of muscling in the carcasses. This was evident in measures of both ribeye area and ribeye area per hundredweight of carcass (REACWT). Measures of fatness were significantly lower in the DM carcasses, including external and internal fat depots. As a result of increased muscling and decreased fatness, the DM carcasses had two full lower yield grades than the NM carcasses. As the meat packing industry moves to a value-based system for purchasing cattle, muscling will impact price. Several packers are already utilizing REACWT in their pricing formulas, and thus carcasses from these animals may offer the advantages of more red meat yield and less waste fat.</p></blockquote><p></p>
[QUOTE="MikeC, post: 112176, member: 1604"] Growth rate is not a negative factor in double muscled cattle generally. The grow at about the same rate but have larger ribeyes and more lean meat than non-DM cattle. An excerpt from a recent study: The DM cattle were not significantly heavier than the NM cattle at slaughter, but they produced heavier carcasses and higher dressing percentages (Table 1). The increased yield of carcass weight was in part due to the increased amount of muscling in the carcasses. This was evident in measures of both ribeye area and ribeye area per hundredweight of carcass (REACWT). Measures of fatness were significantly lower in the DM carcasses, including external and internal fat depots. As a result of increased muscling and decreased fatness, the DM carcasses had two full lower yield grades than the NM carcasses. As the meat packing industry moves to a value-based system for purchasing cattle, muscling will impact price. Several packers are already utilizing REACWT in their pricing formulas, and thus carcasses from these animals may offer the advantages of more red meat yield and less waste fat. [/QUOTE]
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