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Life Sciences Commons

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Dairy Science

Kansas State University Libraries

Kansas Agricultural Experiment Station Research Reports

2009

2009; Dairy; Dried distillers grains; Feces; Phosphorus; Milk yield

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Full-Text Articles in Life Sciences

Impact Of Supplemental Phosphorus Source Onphosphorus Utilization In Lactating Dairy Cattle (2009), Barry J. Bradford, Joseph P. Harner, Michael J. Brouk Jan 2009

Impact Of Supplemental Phosphorus Source Onphosphorus Utilization In Lactating Dairy Cattle (2009), Barry J. Bradford, Joseph P. Harner, Michael J. Brouk

Kansas Agricultural Experiment Station Research Reports

Supplemental phosphorus (P) in various forms and sources (pellet, meal, liquid, and corn dried distillers grains with solubles; DDGS) were compared in 12 multiparous Holstein cows producing 94.8 lb of milk (115 ± 55 days in milk) in a 4 x 4 Latin square with 21-day periods. The pellet and meal diets contained monocalcium phosphate with a wheat middlings carrier, and the liquid diet contained ammonium polyphosphate in a cane molasses base. The DDGS supplied an organic P source. Cows were blocked by parity, days in milk, and milk production and randomly assigned to treatments. Phosphorus intakes were similar among …