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Dairy cattle ruminal performance
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Fiber is another term for the cell wall of plants. Plant cell wall is generally less digestible than the cell contents. Since cows require a minimum amount of effective (generally forage) fiber in their diets and this fiber is frequently poorly digested, fiber is often viewed as a necessary evil in dairy cow rations. Cell wall is measured by determining neutral detergent fiber (NDF). The detergent fiber system was developed during a period when nutritionists were establishing uniform...
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Animal feeding trials are expensive. Animals must be obtained, properly housed and fed, and provided with necessary veterinary care. The cost of live animal research is even greater when large animals such as dairy cows are used. A practical alternative to live beef and dairy animal research is the artificial rumen. Artificial rumen technology has been available for more than 25 years. Early systems placed a bolus of feed into a sealable vessel containing rumen fluid. After 12 hours of...
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Elanco Animal Health reports that the Food and Drug Administration (FDA) has granted approval for feeding Rumensin to dairy cows in component-feeding systems, and has expanded the Rumensin label to allow feeding to dairy replacement heifers raised in drylots.
Component-feeding systems include supplements that are fed in the parlor, in electronic feeders or as a topdress.
The new label for Rumensin has updated mixing and feeding directions for these supplements, which the FDA calls Type C...
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The live yeast culture Yea-Sacc®1026 (Saccharomyces cerevisiae CBS 493.94) has been granted permanent authorisation for use throughout the EU as a zootechnical additive. Yea-Sacc®1026 has received EU definitive approval (E 1704) for use in dairy diets.
This latest approval for Yea-Sacc®1026 reaffirms the product's standing as the most widely accredited yeast culture on the market, being the only product of its type that is officially authorized for all classes of cattle as well as for equine...
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Lallemand was granted permanent authorisation from the European Commission for its rumen-specific yeast Levucell SC as a feed additive for dairy and beef cattle (Brussels 28 -29 June 2005).
Authorisation has been granted for both formulations of Levucell SC: Levucell SC 20 (20.109 CFU/g ) and Levucell SC 10ME (10.109 CFU/g, in a unique and patented micro encapsulated form, specifically adapted for pelleted feed). It covers performance claims of increase in milk and meat quantities, quality...
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The U.S. Food and Drug Administration has approved Elanco's application to expand the allowable range of Rumensin (monensin sodium) in dry feed supplements for dairy cows. These supplements, known as Type B feeds, must be mixed with other ingredients before they are fed. Now Type B dry feeds may include an increased range of 23 g/ton to 80,000 g/ton of Rumensin on a dry matter basis (rather than the previous range of 40 g/ton to 80,000 g/ton).
This expanded range adds flexibility as...
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Rain and sun have worked their grass-greening magic on pastures, but cattle producers know that too much of a good thing can be detrimental. Excess consumption of newly emerged wheat in pastures can cause bloating in cattle, Texas Cooperative Extension reports.
“We have a bloat problem in stocker cattle grazing wheat from Central Texas to the Panhandle,” said Extension livestock specialist Dr. Joe Paschal.
Spurred on by plenty of soil moisture, winter wheat grew “fast and tall,” said Dr....
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Recommendations for use of a feed additive for dairy cows have been made by a University of Illinois Extension dairy specialist. Mike Hutjens said proper use of the additive, monensin (commercially known as rumensin), should increase feed efficiency, improve protein status, and reduce bloat risk.
"With the FDA clearance to feed monensin to dry and lactating cows, dairy managers have a new tool to improve feed efficiency and herd health," said Hutjens. "However, dairy managers should...
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A new dairy cattle feed additive which increases milk production efficiency has been approved by the U.S. Food and Drug Administration this week. According to the agency, Rumensin (monensin sodium), produced by Elanco Animal Health, is designed to increase milk production efficiency in lactating cows by delivering more milk per pound of feed.
The FDA says Rumensin is the first approved feed ingredient that increases milk-production efficiency. Unlike rBST, which is a hormone injected into...
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Long-used in beef and poultry production in the US, Elanco has received FDA approval of Rumensin (monensin sodium) as a feed additive for use in lactating and dry cows. The company says the product is the only FDA-approved feed ingredient for lactating and dry cows that increases digestive efficiency by economically delivering more milk per pound of feed - on average, a return of $5 for every $1 spent on the feed additive.
There is no withholding period for milk produced by cows fed Rumensin...
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Long-used in beef and poultry production in the US, Elanco has received FDA approval of Rumensin (monensin sodium) as a feed additive for use in lactating and dry cows. The company says the product is the only FDA-approved feed ingredient for lactating and dry cows that increases digestive efficiency by economically delivering more milk per pound of feed - on average, a return of $5 for every $1 spent on the feed additive.
There is no withholding period for milk produced by cows fed Rumensin...
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