From a study on the dry matter consumption of sheep under
natural conditions of grazing, it is evident that the quantity consumed
is not a factor in the loss of weight in sheep during winter.
It appears from these data that the decline in weight is specifically due to a rapid depletion of n nutritive elements from summer to winter grazing. It has further been shown that the dry matter consumption
of sheep is correlated with the weight of the animals and that it can be predicted with success from the following equation DM = 56Wº·⁷⁵, where DM equals dry matter in grams and W weight in Kilograms.
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