Effect of Phytase and Cholecalciferol Supplementation on the Digestibility of Phosphorus by Broiler Chickens Fed Cottonseed Meal and Rice Husk-Based Diets
Keywords:
Broiler chicken, ileal phosphorus digestibility, cholecalciferol, semi purifed diet, apparent phosphorus digestibilityAbstract
This study was conducted to evaluate the effects of phytase and cholecalciferol supplementation in Cottonseed Meal (CM) and Rice Husk (RH)-based diets on the digestibility of phosphorus by broiler chickens (BC). In study 1 (n= 125) BC was divided into five treatments comprising a Positive Control (PC, D1) without CM and four CM-based diets: Negative Control (NC, D2), NC+vitaminD3 (D3), NC+phytase (D4) and NC+phytase+vitaminD3 (T5) replicated five times. In Study 2, (n=125) BC was also allotted to five treatments comprising a PC (D1) without RH and four RH-based diets: NC (D2), NC+vitaminD3 (D3), NC+phytase (D4) and NC+phytase+vitaminD3 (D5). In the CM-based diet, ileal phosphorus significantly (P<0.05) and reduced with a corresponding increase in the apparent phosphorus digestibility (APD) in D3. In the RH-based diets, APD was significantly (P<0.05) improved in D3. Phytase and vitamin D3 supplementation of CM and RH-based diets increased phosphorus digestibility in broiler chickens.
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Copyright (c) 2024 Ibinabo Imuetinyan Ilaboya, James Ien-oa Imouokhome, Paschal Chukwudi Aguihe, Moses Omatsuli, Patience Okoror, Unity Osayande
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