Nutrient Requirements of Dairy Cattle Eighth Revised Edition (2021) / Chapter Skim
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Other specific charges to the commit- Energy supplies and requirements are discussed in Chaptee included developing accurate feed composition tables, ter 3. The net energy system was retained, but the method to reviewing the literature on the value of coproducts of biofuel estimate dietary concentrations of net energy was modified, production for dairy c attle, improving methods to estimate en- with the greatest change from the previous edition being ergy values of feeds, and reviewing and proposing strategies the discount factor related to level of feed intake.
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Requirements are presented for Chapter 12 discusses physiological and metabolic changes net essential amino acids and net protein, which can be that occur as cows or heifers transition from the gestating converted to metabolizable amino acids and protein using state to the lactating state. Nutrient requirements unique to variable efficiencies.
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mechanical-based assays (e.g., particle size to calculate Equations to estimate nitrogen and phosphorus excretion physically adjusted neutral detergent fiber) , and biologically in manure are included (excretion of many other minerals based assays (e.g., in situ protein digestibility kinetics)
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