Evaluation of Corn Distillers Grains and Ruminally Protected Lysine and Methionine for Lactating Dairy Cows

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Evaluation of corn distillers grains and ruminally protected lysine and methionine for lactating dairy cows.

Twelve multiparous Holstein cows averaging 57 d (36 to 77 d) postpartum at the start of the experiment were utilized in a replicated 4 x 4 Latin square design. Dietary protein supplements were 1) soybean meal, 2) soybean meal plus ruminally protected Lys and Met, 3) corn distillers grains, and 4) corn distillers grains plus ruminally protected Lys and Met. Dry matter intakes were lower for cows...

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Corn distillers grains versus a blend of protein supplements with or without ruminally protected amino acids for lactating cows.

In a replicated 4 x 4 Latin square design with 4-wk periods, we used 12 multiparous Holstein cows averaging 83 d postpartum to compare corn distillers grains (CDG) versus a blend (BLEND) of other protein sources with CDG (fish meal and soybean meal), and to determine the effectiveness of ruminally protected lysine and methionine (RPLM) in improving the utilization of CDG as a protein supplement...

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The energy content of wet corn distillers grains for lactating dairy cows.

Forty-five energy balances were completed with 12 multiparous, lactating Holstein cows in a study designed to determine the energy content of wet corn distillers grains. Treatments were applied in a repeated switchback design and consisted of total mixed diets containing 31.4% corn silage, 18.4% alfalfa hay, and either 30.7% rolled corn and 16.7% soybean meal or 17.0% rolled corn and 31.2% wet ...

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Evaluation of various sources of corn dried distillers grains plus solubles for lactating dairy cattle.

The objectives of this study were to evaluate the effects of feeding dried distillers grains plus solubles (DDGS) from different sources on milk production and composition in dairy cows. Eight multiparous and 4 primiparous Holstein cows were used in a replicated 4 x 4 Latin square design with 28-d periods. Treatments consisted of total mixed diets containing no DDGS (CON), or DDGS from source 1...

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Effects of Corn Distillers Dried Grains with Solubles (DDGS) Under Hot Summer Conditions in Lactating Dairy Cows

Corn distillers dried grains with solubles (DDGS), once considered a by-product of fuel ethanol production, are a recognized feedstuff for livestock animals. Today, DDGS is attracting increasing attention and is manufactured under quality-controlled conditions as a main product for livestock feed. DDGS is also expected to be beneficial to the livestock industry, because recent research projects...

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ژورنال

عنوان ژورنال: Journal of Dairy Science

سال: 1998

ISSN: 0022-0302

DOI: 10.3168/jds.s0022-0302(98)75600-0