EFFECT OF DIFFERENT LEVELS OF OPTIZYME AND PHYTAS E ENZYMES AND THEIR INTERACTIONS ON THE PERFORMANCE OF BROILER CHICKENS FED CORN/SOYBEAN MEAL: 2. TIBIA CHARACTERISTICS AND CALCIUM AND PHOSPHORUS RETENTION EFFICIENCY
Metwally, M., Farghly, M., Ismail, Z., Ghonime, M., Mohamed, I. (2020). EFFECT OF DIFFERENT LEVELS OF OPTIZYME AND PHYTAS E ENZYMES AND THEIR INTERACTIONS ON THE PERFORMANCE OF BROILER CHICKENS FED CORN/SOYBEAN MEAL: 2. TIBIA CHARACTERISTICS AND CALCIUM AND PHOSPHORUS RETENTION EFFICIENCY. EKB Journal Management System, 23(1), 151-160. doi: 10.21608/ejnf.2020.95836
M. A. Metwally; M. F. A. Farghly; Z. S. H. Ismail; M. E. Ghonime; Inas A. Mohamed. "EFFECT OF DIFFERENT LEVELS OF OPTIZYME AND PHYTAS E ENZYMES AND THEIR INTERACTIONS ON THE PERFORMANCE OF BROILER CHICKENS FED CORN/SOYBEAN MEAL: 2. TIBIA CHARACTERISTICS AND CALCIUM AND PHOSPHORUS RETENTION EFFICIENCY". EKB Journal Management System, 23, 1, 2020, 151-160. doi: 10.21608/ejnf.2020.95836
Metwally, M., Farghly, M., Ismail, Z., Ghonime, M., Mohamed, I. (2020). 'EFFECT OF DIFFERENT LEVELS OF OPTIZYME AND PHYTAS E ENZYMES AND THEIR INTERACTIONS ON THE PERFORMANCE OF BROILER CHICKENS FED CORN/SOYBEAN MEAL: 2. TIBIA CHARACTERISTICS AND CALCIUM AND PHOSPHORUS RETENTION EFFICIENCY', EKB Journal Management System, 23(1), pp. 151-160. doi: 10.21608/ejnf.2020.95836
Metwally, M., Farghly, M., Ismail, Z., Ghonime, M., Mohamed, I. EFFECT OF DIFFERENT LEVELS OF OPTIZYME AND PHYTAS E ENZYMES AND THEIR INTERACTIONS ON THE PERFORMANCE OF BROILER CHICKENS FED CORN/SOYBEAN MEAL: 2. TIBIA CHARACTERISTICS AND CALCIUM AND PHOSPHORUS RETENTION EFFICIENCY. EKB Journal Management System, 2020; 23(1): 151-160. doi: 10.21608/ejnf.2020.95836

EFFECT OF DIFFERENT LEVELS OF OPTIZYME AND PHYTAS E ENZYMES AND THEIR INTERACTIONS ON THE PERFORMANCE OF BROILER CHICKENS FED CORN/SOYBEAN MEAL: 2. TIBIA CHARACTERISTICS AND CALCIUM AND PHOSPHORUS RETENTION EFFICIENCY

Egyptian Journal of Nutrition and Feeds
Article 12, Volume 23, Issue 1, April 2020, Page 151-160  XML PDF (382.25 K)
Document Type: Original Article
DOI: 10.21608/ejnf.2020.95836
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Authors
M. A. Metwally1; M. F. A. Farghly2; Z. S. H. Ismail3; M. E. Ghonime4; Inas A. Mohamed5
1Dept. of poultry Production, Fac. Of Agric., Univ. of Assiut, Egypt, 71526
2Dept. of poultry Production, Fac. Of Agric., Univ. of Assiut, Egypt,
3Dept.Animal production, Fac. of Agri., South Valley Univ., Egypt
4Dept. of Animal and Poultry Production, Fac. of Agri., and Natural Resources, Aswan Univ., Egypt
5Dept. of poultry Production, Fac. Of Agric., Univ. of Beni Suef University, Egypt
Abstract
A total of 180 unsexed 1-day old IR  broiler chicks were randomly distributed into 6 treatments  of  3 replicates each (10 birds each) in experiment for 5 weeks of age.  A factorial design (3×2) was used in which there were three levels of multienzymes, optizyme (0, 250, 500 mg/kg diet) and two levels of phytase enzyme (0, 1500 FTU/kg diet). The results showed that broiler chicks fed on either 250 or 500 mg/kg diet of optizyme alone or plus 1500 FTU/kg diet had significantly improved body weight gain (BWG) compared to control group. Tibia ash and phosphorous percentages were increased significantly (P<0.05) in broilers fed diets contained 250 mg/kg diet optizyme. Phosphorus retention efficiency percentages were increased significantly (P<0.05) in broilers fed diets contained 250 mg/kg diet optizyme alone or 250 mg/kg diet optizyme plus 1500 FTU/kg diet phytase. It could be concluded that the level of 250 or 500 mg / kg diet optizyme and 1500 FTU/kg diet phytase is effective for increasing absorption and bioavailability of phosphorus, which could decrease excretion of phosphorous and, therefore, environmental pollution. In addition, feeding broilers with these treated feeds might improve body weight gain.
 
Keywords
Performance response; tibia; calcium; phosphorus; retention efficiency; broiler chickens
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