Vitamins and production in dairy cow
Cows may be vulnerable to nutrient inadequacies during the transition period due to low or fluctuating intake patterns resulting in disruption of normal microbial production of these nutrients, and there is a growing body of information suggesting that this supply may not consistently be adequate for choline and some of the B vitamins.
Lower feed intake would furthermore reduce the ingestion of both water soluble and fat-soluble vitamins from dietary sources. Thus there may be occasions, such as the transition period, when cows benefit from the supplementation of rumen-protected vitamins and choline.
This study was conducted to assess the effects of providing a rumen- protected blend of vitamins and choline to cows immediately before calving, just after calving or both upon milk production, milk composition and reproductive performance.
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Article made possible through the contribution of JEFO Nutrition.