He and others point out that a key to reproductive success in nutrition programs that delay postweaning gain is to keep heifers on an increased plane of nutrition through the breeding season. "A higher incidence of embryonic mortality that's attributed to nutrient restriction is observed in the first trimester," says [Manny Encinias]. "The only drawback of growing heifers to lighter body weights as yearlings is that younger and lighter heifers may require additional service days to conceive."...
Watch Your Heifer Development Inputs Larry Stalcup The Cattleman; Apr 2010; 96, 11; Docstoc pg. 36 Reproduced
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