Effects of Light Intensity on Growth, Anti-Stress Ability and Immune Function in Yellow Feathered Broilers
文献类型： 外文期刊
作者：
Guo, Y. L.
1
;
Ma, S. M.
1
;
Du, J. J.
1
;
Chen, J. L.
2
;
作者机构： 1.Gansu Agr Univ, Fac Anim Sci & Technol, Lanzhou 730070, Gansu, Peoples R China
2.Chinese Acad Agr Sci, Inst Anim Sci, Beijing 1001932, Peoples R China
关键词： Anti-stress ability; Growth; Immune function; Light intensity; Yellow feathered broilers
期刊名称：BRAZILIAN JOURNAL OF POULTRY SCIENCE （ 影响因子：0.826； 五年影响因子：1.178 ）
ISSN： 1516-635X
年卷期： 2018 年 20 卷 1 期
页码：
收录情况： SCI
摘要： An experiment was conducted to investigate the effects of light intensity on growth, anti-stress ability, and immune function of yellow feathered broilers. A total of 480 one-day-old male Lingnan yellow feathered broilers were randomly allocated to 4 treatments based on light intensity (1, 5, 20 and 80 lx) with 8 replicates of 15 chicks each. The experiment lasted for 63 days. Compared with those under high light intensity, broilers exposed to low light intensity had higher (p<0.05) total antioxidant capacity (T-AOC), glutathione peroxidase (GSH-Px), a-Naphthylacetate esterase (ANAE(+)), antibody titer, but lower (p<0.05) malonaldehyde (MDA) levels and heterophil/lymphocyte ratio (H/L). There was a linear effect for T-AOC(p=0.002), GSH-Px(p <= 0.047), MDA (p=0.003), H/L(p <= 0.014), ANAE(+) (p <= 0.044), and antibody titer (p <= 0.021) with T-AOC, GSH-Px, ANAE(+), and antibody titer increased significantly as light intensity decreased, whereas MDA and H/L were decreased with the decrease in light intensity. These results suggested that broilers under low light intensity could have similar performance, better anti-stress ability, stronger immune function, and more efficient in energy usage as compared with those exposed to high light intensity environment.
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