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| Gao,J; Liu,W; Geng,B; Lei,Q; Han,H; Zhou,Y; Liu,J; Cao,D; Li,H; Li,F. |
| ABSTRACT The effects of plant essential oil (PEO) on the production performance and immune function of laying hens were evaluated to provide theoretical basis for promoting the natural plant extracts. Eight thousand 1-day-old healthy laying hens were randomly divided into a control group or PEO group, with four replicates per treatment and 1000 hens per replicate. The PEO diet was supplemented with 3g/kg plant extract. Diets were fed for 56 days. The tibia length and keel length were detected on an empty stomach at the end of the trial. Blood samples were collected on the 28th and 56th days to detect the level of C3, C4, IL-1, IL-2, IL-17 and immunoglobulin in the serum. The results showed that, compared with the control, PEO supplementation significantly... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Laying hens; Plant essential oil; Production performance; Immune function. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2020000300301 |
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| Su,L; Wang,J; Huang,J; Zhao,Y; Jiang,H; Li,H. |
| ABSTRACT To investigate the hypothesis that APS can attenuate E. coli-induced microvascular dysfunction in chicken intestine, 60 0-day old male chickens were divided into three groups with 5 replications of 4 chicks. Chicken in the APS group were treated with 15 mg APS daily while the others were given 0 mg APS for 6 days. Then all 7-day old chicken were injected intraperitoneally by E. coli, except for the chicken in the control group. After 4 h, all chicken’s intestinal samples were collected to detect gene expressions involved in inflammatory factors and adhesion molecules. Results showed that APS attenuated the signs of edema and hemorrhage in 7-day old chicken intestinal mucosa which were induced by E. coli injection. Consistently, APS significantly... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Astragalus polysaccharide; Escherichia coli; Intercellular adhesion molecule -1; Nuclear factor - κB; Vascular cell adhesion molecule -1. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2019000300302 |
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