EFFECT OF CONTINUOUS FEEDING OF RAPESEED MEAL ON GROWTH OF DAIRY CALVES AND SUBSEQUENT FIRST LACTATION YIELD
Open Access
- 1 December 1971
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Animal Science
- Vol. 51 (3) , 681-686
- https://doi.org/10.4141/cjas71-090
Abstract
Thirty dairy heifer calves were reared from birth to calving on rations containing 0, 6.8 or 13.7% rapeseed meal in substitution for soybean meal. The level of rapeseed meal did not significantly (P > 0.05) affect feed intake, weight gain or feed efficiency of heifers up to breeding weight (330–340 kg). The level of rapeseed meal did not significantly (P > 0.05) affect reproduction or milk production during the first lactation. However, there may have been a trend for lower conception rate and milk fat production during first lactation with the higher level of rapeseed meal.Keywords
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