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参考结论等的写法
Effects of ginger root (Zingiber officinale) processed to different particle
sizes on growth performance, antioxidant status,
and serum metabolites of broiler chickens
1
G. F. Zhang ,* Z. B. Yang ,* Y. Wang ,† W. R. Yang ,* S. Z. Jiang ,* and G. S. Gai ‡
* Department of Animal Sciences and Technology, Shandong Agricultural University, Tai-an, Shandong,
P. R. China, 271018; † Agriculture and Agri-Food Canada, Lethbridge Research Centre, PO Box 3000, Lethbridge,
Alberta, Canada, T1J 4B1; and ‡ Department of Material Science and Engineering, Tsinghua University,
Room 2713, Yifu Building, Beijing, P. R. China, 100084
ABSTRACT A study using 144 one-day-old Arbor der tended to have higher ADG and had greater (P =
Acres broilers was conducted to assess the effects of 0.014) carcass yield compared with that of the control.
dried ginger root (Zingiber officinale) that was pro- Supplementation of ginger increased (P 0.001) ac-
cessed to particle sizes of 300, 149, 74, 37, and 8.4 µm tivities of total superoxide dismutase and glutathione
on growth performance, antioxidant status, and serum peroxidase but reduced (P 0.01) concentrations of
metabolites of broiler chickens. The birds were housed malondialdehyde and cholesterol in serum of broilers
in 24 wire cages in an environmentally controlled room. at 21 and 42 d of age. Concentration of total protein
Dietary treatments were no supplementation (control) in serum of ginger-supplemented broilers tended (P =
and supplementation with ginger root processed to 5 0.092) to be higher at 21 d and was higher (P = 0.002)
particle sizes at the level of 5 g/kg of diet. Average at 42 d
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