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Effects of the Calcium and Phosphorus Ratio in High Zinc Diets on Performance and Nutrient Digestibility in Weanling Pigs

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Author(s): Yung-Keun Han | P.A. Thacker

Journal: Journal of Animal and Veterinary Advances
ISSN 1680-5593

Volume: 5;
Issue: 1;
Start page: 5;
Date: 2006;
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Keywords: Calcium | phosphorus | zinc oxide | performance | digestibility | pigs

ABSTRACT
Forty-eight crossbred (Landrace x Yorkshire) barrows, weighing an average of 7.55 ? 0.54 kg, were allotted to one of four dietary treatments containing approximately 2,400 ppm Zn. Four corn-soybean meal based diets (20.4% crude protein and 0.60-0.63% phosphorus) were formulated to contain 0.83 % Ca (Ca:P, 1.31:1), 0.91 % Ca (Ca:P, 1.51:1), 1.01 % Ca (Ca:P, 1.65:1) or 1.17 % Ca (Ca:P, 1.91:1). Daily gain and feed intake were unaffected by dietary treatment (p>0.05). Feed conversion was affected quadratically (p
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