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Prediction of the metabolizable energy intake and energy balance of goats with the Small Ruminant Nutrition System model

机译:采用小型反刍动物营养系统模型预测山羊代谢能量摄入和能量平衡

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A computer model (Small Ruminant Nutrition System, SRNS) to predict site-specific nutrient requirements and feed biological values for sheep was developed, based on the structure of the Cornell Net Carbohydrate and Protein System for Sheep (Cannas etal., 2004 and 2006). The SRNS model uses animal and environmental factors to predict energy, protein, Ca and P requirements. Feed biological values are predicted based on carbohydrate and protein fractions and digestion rates, forage, concentrate and liquid passage rates, and microbial growth. In the SRNS for goats, energy requirements are predicted based on the equations developed for the SRNS for sheep, modified to account for specific requirements of goats. In this paper, the predictions for adult goats of metabolisable energy intake (MEI) and energy balance (EB) by the SRNS were evaluated.
机译:基于康奈克净碳水化合物和羊蛋白系统的结构,开发了一种计算机模型(小型反刍动物营养系统,SRNS)以预测绵羊的现场营养需求和饲料生物学值(Cannas Etal。,2004和2006) 。 SRNS模型使用动物和环境因素来预测能量,蛋白质,CA和P要求。基于碳水化合物和蛋白质级分和消化速率,饲料,浓缩物和液体通道率和微生物生长来预测饲料生物学值。在山羊的SRN中,基于为绵羊SRNS开发的方程来预测能量要求,修改为山羊的特定要求。在本文中,评估了SRNS通过SRNS代谢能量摄取(MEI)和能量平衡(EB)的成人山羊的预测。

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