the comparison between two nutrition models, nrc (2001) and cncps v.6.1, in estimating nutritional requirements of fresh cows
نویسندگان
چکیده
in order to compare the precision of predictions of nrc (2001) and cncps models, 17 holstein fresh cows were assigned in a randomized complete block design to a balanced diet with nrc (2001) and cncps software. the predicted dmi, energy allowable milk and protein allowable milk by both models were compared with observed values. the precision of the predictions of models was evaluated by calculation of r2, mean bias and root mean square prediction error (rmspe). both models predicted dmi lower than the observed values (p
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عنوان ژورنال:
تولیدات دامیجلد ۱۸، شماره ۱، صفحات ۲۷-۳۸
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