Effects of energy and lysine level on performance and reproductive traits of Arian broiler breeder hens during production periods

Document Type : Research Paper

Authors

1 عضو هیات علمی

2 Animal Science Reaserch Institute, Karaj, Alborz

3 Animal science department, Agricultural faculty, Gilan University, Rqasht, Iran

4 Poultry farm manager, Arian breeding center, Babol, Iran

5 National Institute of Genetic Engineering and Biotechnology, Tehran, Iran

Abstract

An experiment was carried out with 140 Arian broiler breeder hens and 20 males at 26 weeks of age. This experiment was done in 2×2 factorial arrangement in a completely randomized design with 20 experimental units and lasted 40 weeks. Dietary treatments were formulated with 2 levels of energy including 2740 and 2540 Kcal/Kg and two level of digestible lysine (0.54 and 0.61 %). Dietary energy level had no significant effect on egg production, egg weight and feed conversion ratio, but hens were received lower energy level had a lower daily weight gain compare to the hens received high energy level (p<0.05). Increasing lysine level of diets, increased egg weight by 1.5 % (62.74 vs. 68.63%; p<0.05). However egg production, feed conversion ratio and body weight gain of this hens didn’t affected by lysine level. Hatchability of total eggs (65.39 vs. 73.40; p<0.05) and hatch of fertile egg (73.27 vs. 88.91, p<0.001) reduced by increasing energy level. Also, decreasing energy intake increased fertility (50.62 vs. 80.05; p<0.001) and grade one chicks (75.38 vs.92.26; p<0.001). The results show that use less energy and lysine levels in the diet of Arian broiler breeder improve reproductive performance.

Keywords

References

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Animal Sciences Journal
Volume 30, Issue 117
March 2018
Pages 193-202

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