What Levels of Amino Acids should a Feed Contain for the Commercial Laying Hen
作者： R. H. Harms
DOI: 10.1080/09712119.2001.9706706
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摘要: Abstract Harms, R.H. 2001. What levels of amino acids should a feed contain for the commercial laying hen? J. Appl. Anim. Res., 19: 1–24. A review literature was made dealing with acid requirements hen. Egg production in many early studies very low. Therefore, suggested were too The National Research Council (1994) recommendations Met, Lys, Trp, Ile and Val are adequate hens daily 55g egg mass. An increase their would be needed higher Their requirement Thr is low Arg high. Cys has been found to only 175 mg per day maximum corn soybean meal diets. adjustment must when ingredients used which lower availability.
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