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Effects of NENP vs LELP Diets on Some Laying and Reproductive Performance Parameters of Japanese Quail’S Hens

Mohamed S. Yusuf 1,3, Adel S. El Nabtiti 2, and Hengmi Cui 3
1. Nutrition and Clinical Nutrition Dept., Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
2. Department of Animal Wealth Development Faculty of Medicine, Suez Canal University, Ismailia, Egypt
3. Institute of Epigenetics and Epigenomics, Yangzhou University, Jiangsu Province, China
Abstract—To assess the effect of single low energy-low protein diet with normally required calorie: protein ratio against normal dietary NRC 1994 requirements in summer season on laying and reproductive state of Japanese quails. Forty-two days old, 60 adult and sexed Japanese quails were divided into two equal groups, 5 replicates, and 6 birds each with a sex ratio 1:5. A laying and reproductive trial extended for six weeks. All dry mash two different layer diets were formulated containing 20% CP and 2900 Kcal ME/kg diet (control) and Low Energy-Low Protein (LELP) group containing 18% CP and 2610 Kcal ME/kg diet with normal methionine, lysine and mineral requirements, without antibiotic supplementation. By the end of laying and reproductive trial from 8th-14th week of age the two different diets resulted in non-statistical differences in the terms of body weight, metatarsal ash% laying rate %, total egg No., average daily and weekly feed intake with similar intestinal pH. Manipulated diet was significantly improved Feed Conversion Ratio (FCR), Protein Conversion Ratio (PCR), total egg mass, egg weight, egg yolk with significant improvement in fertility and hatchability. Results concluded that, normal energy: protein ratio with normally required critical amino acids with low protein and energy contents may protect the normal production with improved concept of cost-effective diets.
Index Terms—quails, laying, cost effective, energy-protein, performance

Cite: Mohamed S. Yusuf, Adel S. El Nabtiti, and Hengmi Cui, "Effects of NENP vs LELP Diets on Some Laying and Reproductive Performance Parameters of Japanese Quail’S Hens," Journal of Advanced Agricultural Technologies, Vol. 3, No. 2, pp. 132-135, June 2016. Doi: 10.18178/joaat.3.2.132-135
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