Changes in Body Weight During the First Pregnancy for Holstein Heifers Calving at Different Seasons
- 1 September 1961
- journal article
- research article
- Published by American Dairy Science Association in Journal of Dairy Science
- Vol. 44 (9) , 1717-1720
- https://doi.org/10.3168/jds.s0022-0302(61)89945-1
Abstract
Gains during pregnancy were studied for 100 Holstein heifers calving at different seasons. Body weight gain during gestation was least for heifers calving during July, August and September. Five months after parturition there was no significant difference in body weights of heifers calving at different seasons.This publication has 3 references indexed in Scilit:
- The Relation of Season of Freshening to Milk ProductionJournal of Dairy Science, 1947
- The Effect of Pregnancy on the Body Weight of Dairy CowsJournal of Dairy Science, 1946
- Freshening Date Changes of Cows in Iowa Dairy Herd Improvement AssociationsJournal of Animal Science, 1943