glucose levels in cows after calving receiving the CRC were increased 15%. Another Canadian study reported a 40 % reduction in both clinical ketosis and DA's. Retained placenta were numerically lower for cows fed Rumensin. It was reported that body condition score (BCS) had an impact on milk production response. Cows classified as thin (BCS Rumensin was first approved by the U.S. Food and Drug Administration for feedlot cattle to improve feed efficiency. Cattle feeders started adopting Rumensin in their commercial feedyards and found the prevalence of coccidiosis started to decline. In the US, monensin (trade name "Rumensin"- manufactured by Elanco Animal Health) is a feed additive for cattle indicated "for improved feed efficiency, for increased rate of weight gain, and for the prevention and control of coccidiosis caused by Eimeria bovis and Eimeria zuernii". In growing cattle on pasture, Rumensin is a proven management tool that optimizes your investment by improving cattle weight gain, even as the quality of forage changes from year to year. 3 Feeding Rumensin Delivers 20 lbs. or more per head of additional selling weight during a 100-day grazing period. 1 Coccidiosis Prevention and Control Rumensin is registered for improved weight gain and feed efficiency in cattle and sheep, improved reproductive performance in heifers and as an aid in the prevention of coccidiosis in cattle, sheep, goats and chickens. Rumensin, for instance, reduces palatability of the mineral supplement which can result in decreased overall mineral intake. Salt is a key driver of mineral intake. If overconsumption is an issue, adding more salt to the mineral can help regulate intake. .

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