Nutrient requirements for growth and milk production are adequately con. Of the fetus, fluids, fetal membranes, and increased size of the uterus amounted That the average changes in body weight of Jersey cows due to combined weights With respect to reproduction, Becker et al. ![]() To 43 pounds at 210 days of gestation, 75 pounds at 240 days, 110 pounds at 270ĭays, and 122 pounds at term. These results agree with earlier publications, whichĪlso showed that weight increases are 60 to 100 per cent greater in the largerīreeds of dairy cattle than in Jerseys. Increases in weight of the developing fetus during lactation is shown in figure 1. ![]() Made to define levels of protein intake which will prevent excessive wastage of Adequate feeding will minimize weight losses and sustain higher milkīecause of high prices and recurrent shortages of protein, an effort has been Nutrients for the developing fetus and weight gains of the cow, as specified in The dry period if sufficient amounts of a well balanced ration are fed to allow This loss can be recovered during later lactation and High producing cows are underfed and decrease in body weight. The requirements (tables 1 and 2) for growth are This nutrient but which insure that a deficiency does not limit growth, milk pro-ĭuction, or reproduction. ![]() The intakes of digestible protein for young dairy calves represent the amounts Of the studies of Fredericksen (55), Ritzman and Colovos (113), and Lofgreen These amounts appear to be adequate on the basis Slightly higher for young animals than Morrison's Standard but are lower forĪnimals approaching maturity.
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