Jian-Hua He, Qinghua Chen, Zenghui Ding, Wei Qiu,
Achyranthes bidentata Polysaccharide Decreases Inflammatory Cytokine Secretion in Weaned Piglets after LPS Challenge,
Journal of Animal and Veterinary Advances,
Volume 13,Issue 7,
2014,
Pages 454-459,
ISSN 1680-5593,
javaa.2014.454.459,
(https://makhillpublications.co/view-article.php?doi=javaa.2014.454.459)
Abstract: This study was conducted to investigate the effect of Achyranthes
Bidentata Polysaccharide (ABP) on growth performance, inflammatory responses
and hormones in weaned piglets after Escherichia coli Lipopolysaccharide
(LPS) challenges. A total of 48 crossbred (Duroc x Large; White x Landrace)
male pigs weaned at 28 days of age (8.45±0.14 kg) were randomly allotted
to one of four treatments by initial BW in a 2x2 factorial design that included
a dietary addition of ABP (0 or 500 mg kg-1) and immunological challenge
(with LPS or saline). On day 14 and 21, pigs were injected intraperitoneally
with either 100 μg kg-1 BW of LPS or an equivalent amount of
sterile saline. Blood samples were obtained 3 h after injection for analysis
of Tumor Necrosis Factor-α (TNF-α), Prostaglandin E2 (PGE2),
cortisol, Growth Hormone (GH) and Insulin-like Growth Factor (IGF)-I. The results
showed that LPS challenge decreased Average Daily Feed Intake (ADFI) (p<0.05)
from 14∼21 and day 21∼28. ABP increased ADG (p<0.05) and ADFI (p<0.05)
from day 21∼28. An interaction (p<0.05) between LPS challenge and diet
was observed for the plasma concentration of TNF-α, PGE2, cortisol, and
IGF-I after both LPS challenges such that among LPS-treated pigs, pigs fed the
ABP diet were lower for TNF-α (p<0.05) and higher IGF-I (p<0.05)
than those receiving the control diet. These results indicated that ABP alters
the release of inflammatory cytokines that may lead to improved pig performance
during an immunological stress.
Keywords: Achyranthes bidentata;polysaccharide;lipopolysaccharide;inflammatory response;piglets