The Digestible Protein of Ruminant Feeds By Calculation

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Date
1958/1959
Authors
Glover J.
Duthie D.W
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Abstract
The nutrItive values of animal feeds are normally obtained by digestibility trials with cattle or sheep, in which the food consumed by the animal is weighed and analysed, and all the faeces are collected daily, weighed, and analysed. From these figures the percentage of digestible protein in the feed, and its total digestible nutrients or its starch equivalent, are calculated, and these values are used in computing rations in farm practice. These digestibility trials involve a pre-period and an experimental period on the selected diet, some 24 days in all, from three to six animals are used for each feed in order to allow for individual VarIatIOns, and a very large number of analyses is required. Thus it is unlikely that more than two samples could be tested per month, with normal facilities, and the large number of feeding values which have been published in America and Britain represent many years of work in a number of laboratories.
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East African Agricultural And Forestry Journal, 24, p. 33-36
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