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Kansas Agricultural Experiment Station Research Reports
2009; Dairy; Dried distillers grains; Feces; Phosphorus; Milk yield
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Impact Of Supplemental Phosphorus Source Onphosphorus Utilization In Lactating Dairy Cattle (2009), Barry J. Bradford, Joseph P. Harner, Michael J. Brouk
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 …