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首页> 外文期刊>Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies >Comparison between the Tilley-Terry and Pepsin-Cellulase Methods, used to Predict the Digestibility of some Minor By-Products in Ruminants
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Comparison between the Tilley-Terry and Pepsin-Cellulase Methods, used to Predict the Digestibility of some Minor By-Products in Ruminants

机译：Tilley-Terry和胃蛋白酶纤维素酶方法之间的比较，用于预测反刍动物中一些次要副产物的消化率

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While in vitro digestibility of the ruminantsa€? feeds is classically measured by Tilley-Terry (TT) method, more operative and simple enzymatic methods, such as pepsin-cellulase (PC) were alternatively developed. Use of PC was previously validated for the main groups of feeds, but less data are available for less known, a€?minora€? by-products. The aim of this experiment was to assess the correlation between the digestibility of some minor by-products sampled from the Romanian feed market (winery by-products, protein meals), estimated both by TT and PC methods. The results revealed a very high similarity between the digestibility data obtained by this two methods (R squared=0.9648 and RSD=4.229).The conclusion is that PC method can reasonably replace the Tilley-Terry method to determine the total tract digestibility of minor by-products.
机译：反刍动物的体外消化率饲料通常通过Tilley-Terry（TT）方法进行测量，另外还开发了更有效，更简单的酶促方法，例如胃蛋白酶和纤维素酶（PC）。先前已针对主要供稿组对PC的使用进行了验证，但鲜为人知的数据量很少（很少）。副产品。该实验的目的是评估通过TT和PC方法估算的从罗马尼亚饲料市场采样的一些次要副产品（酿酒厂副产品，蛋白质粉）的消化率之间的相关性。结果表明，这两种方法得到的消化率数据之间具有很高的相似性（R squared = 0.9648和RSD = 4.229）。结论是PC法可以合理地代替Tilley-Terry方法来确定未成年人的总消化道消化率。产品。

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