Effects of Mycotoxin Adsorbent-Organic Acid Complex and Mycotoxin Adsorbent-Essential Oil Complex on Laying Performance, Egg Quality and Plasma Hormone, Antioxidant and Immune Indices of Laying Hens

  • CHEN Jifa ,
  • GENG Xiaofeng
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  • College of Life Science and Resources and Environment, Yichun University, Yichun 336000, China

Received date: 2020-05-24

  Online published: 2020-12-07

Abstract

This study was conducted to investigate the effects of mycotoxin adsorbent (MA)-organic acid (OA) complex and MA-essential oil (EO) complex on laying performance, egg quality and plasma hormone, antioxidant and immune indices of laying hens. A total of 270 healthy 29-week-old Roman laying hens were randomly divided into 3 groups with 6 replicates per group and 15 hens per replicate. Hens in the control group (group Ⅰ) were fed a basal diet, hens in experimental groups were fed the basal diet supplemented with 0.65 g/kg MA-OA complex (group Ⅱ) and 0.70 g/kg MA-EO complex (group Ⅲ), respectively. The adjustment period lasted for 7 days, and the experimental period lasted for 70 days. The results showed as follows: 1) compared with group Ⅰ, the egg production of laying hens in group Ⅱ and group Ⅲ during weeks 6 to 10 was increased by 2.79% and 2.35% (P=0.094), respectively. 2) Compared with group Ⅰ, on day 35, the Haugh unit of group Ⅲ was significantly increased (P<0.05), and the yolk index in group Ⅲ was tended to increased (P=0.084); on day 70, the egg weight of group Ⅲ was significantly higher than that of group Ⅰ and group Ⅱ (P<0.05). 3) Compared with group Ⅰ, the plasma estradiol content of group Ⅱ was significantly increased (P<0.05), and the contents of cortisol and adrenocorticotrophic hormone in plasma of group Ⅲ were significantly decreased (P<0.05). 4) Compared with group Ⅰ, the liver total superoxide dismutase activity and total antioxidant capacity of group Ⅱ and group Ⅲ were significantly increased (P<0.05); the plasma malonaldehyde content of group Ⅲ was significantly lower than that of group Ⅱ (P<0.05). 5) Compared with group Ⅰ, the contents of interleukin-2 and interferon-γ in plasma of group Ⅱ and group Ⅲ were significantly increased (P<0.05); the plasma interleukin-4 content of group Ⅲ was significantly higher than that of group Ⅰ and group Ⅱ (P<0.05). In conclusion, dietary MA-OA complex or MA-EO complex tended to increase the egg production of laying hens, and enhanced the body antioxidant capability and immune function; dietary MA-EO complex can reduce the body stress response and improving egg quality.

Cite this article

CHEN Jifa , GENG Xiaofeng . Effects of Mycotoxin Adsorbent-Organic Acid Complex and Mycotoxin Adsorbent-Essential Oil Complex on Laying Performance, Egg Quality and Plasma Hormone, Antioxidant and Immune Indices of Laying Hens[J]. Chinese Journal of Animal Nutrition, 2020 , 32(12) : 5667 -5675 . DOI: 10.3969/j.issn.1006-267x.2020.12.020

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