Research Nuggets
Distillers grains OK at 15 percent
It's been a matter of debate over the years how much distillers grain can be used in the ration.
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Higher plane of nutrition helps calves
Nutrition impacts the outcome of calves infected with Cryptosporidium parvum.
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Coconut oil: Reduce methane emissions, maintain milk yield
Increasing emphasis is being placed on reducing the amount of greenhouse gases produced by dairy cattle.
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Heifer competition affects feeding behavior
You know that too much competition impacts how heifers eat.
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Essential oils draw interest
Essential oils have proven efficacious in some feeding trials, but more research is needed, say dairy nutritionists at the University of Wisconsin-Madison.
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Buffer blocks provide 'safety net'
A buffer block can significantly reduce the severity of short-term subacute ruminal acidosis (SARA), according to researchers at the University of Wisconsin-Madison.
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Live yeast culture helps in hot weather
In a February 2007 article titled, "Why heat stress steals milk," the editors of Dairy Herd Management told a producer audience, "Consider adding yeast culture to the diet (under heat-stress conditions).
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Throw out the calcium-to-phosphorus ratio
Virginia Tech researchers have found that dietary phosphorus requirements are independent of calcium requirements. In other words, as long as the diet meets the individual requirements for each mineral, you don't have to worry about matching up phosphorus and calcium in a particular ratio.
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In this case, yeast culture didn't work
In last month's Nutritionist e-Network, we summarized a research experiment from Israel that showed the effectiveness of live yeast supplementation in warm weather.
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New THI threshold is 68
Significant increases in milk-per-cow over the past several decades may force us to modify the temperature-humidity index.
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Fish oil reduces methane emissions
Amid concerns that cows may be contributing to global warming through methane emissions, Irish researchers have found that including fish oil in the diet may cut those emissions by a significant amount.
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