Coalson, J.L.; Corah, L.R.; Stokka, G.L.; Blecha, Frank
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1997)
A study was conducted to determine the
effect of precalving supplementation with
vitamin E and fat on the reproductive performance
of first lactation cows and the health of
their calves. Approximately 50 days before ...