Differential analysis of gut microbiota and the effect of dietary Enterococcus faecium supplementation in broiler breeders with high or low laying performance
Jianping Wang, Chunpeng Wan, Zhao Shuju, Zengqiao Yang, Pietro Celi, Xuemei Ding, Shiping Bai, Qiufeng Zeng, Xiangbing Mao, Shengyu Xu, Keying Zhang, Mingxi Li
POULTRY SCIENCE | ELSEVIER | Published : 2021
The difference in microbiota was examined for breeders with different egg-laying rates, and the impact of dietary Enterococcus faecium (EF) was also determined in the present study. A total of 256 Arbor Acres broiler breeders (48-wk-old) were used in a 2 × 2 factorial design, which encompassed 2 egg-laying rate levels [average (average egg laying: AP, 80.45 ± 0.91%) and low (lower egg laying: LP, 70.61 ± 1.16%)] and 2 different dietary groups [control (no additive), 6 × 108 cfu/kg EF]. The results showed that the AP breeders presented a lower egg weight, feed conversion ratio, abdominal fat rate, and serum leptin level (P(laying) ≤ 0.05) as well as a higher egg-laying rate (P(laying) < 0.01)..View full abstract
Awarded by earmarked grant for the National Key Research and Development Program of China
Awarded by National Natural Science Foundation of China
Awarded by broiler Industry Chain Program
This work was supported by the earmarked grant for the National Key Research and Development Program of China (Grant No. 2017YFD0500503), National Natural Science Foundation of China (Grant NO. 31872792, 31402031), and broiler Industry Chain Program (2016NZ003-02) for financial support.