383 Effect of trace mineral source on heifer reproductive performance

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Adequate Trace Mineral Nutrition Critical ForOptimum Reproductive Performance

Reproductive efficiency is critical to the profitability of all dairy operations. Each additional day required for a cow to conceive, after 90 days of lactation, costs between $0.50 and $4.00 (US$) per day (22). Improving reproductive efficiency can be difficult as it is influenced by many factors including plane of nutrition, rate of weight gain, level of stress and level of milk production. I...

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Effect of Supplemental Trace Mineral (Zinc, Copper, and Manganese) Source on Growth Performance, Morbidity, and Trace Mineral Status in Beef Cattle

A series of studies were conducted to determine the effect of supplemental trace mineral source on growth performance, morbidity, and trace mineral status in growing beef cattle. The first experiment evaluated supplemental trace minerals from sulfate, organic, or hydroxy sources on growth performance and morbidity. Crossbreed beef calves were assigned to 1 of 3 treatments consisting of suppleme...

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ژورنال

عنوان ژورنال: Journal of Animal Science

سال: 2019

ISSN: 0021-8812,1525-3163

DOI: 10.1093/jas/skz258.297