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Wisconsin Agricultural Experiment Station
Abstract
Outline of Experimental Tests
Tests have been carried on during the last two years to obtain Information on the most economical rations for dairy calves under various conditions. Each year high-grade Holstein and Guernsey heifer calves have been purchased and placed on experiment when from 2 to 3 weeks of age. Up to this time they had received whole milk, as is the universal practice in feeding dairy calves. The calves were continued on experiment for 24 weeks, or until they were about 6 months of age. The trials thus cover the entire period during which skim milk or milk substitutes are ordinarily fed.
In each of the trials two Holstein and two Guernsey calves were assigned to each lot. Each calf was kept in a separate pen and an accurate record was kept of all the feed and water consumed by each animal. Live weights were taken weekly and on three consecutive days at the beginning and end of the experiment.
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