Effects of Dietary Chito-Oligosaccharide for Perinatal Sows on Immune Function of Sows and Newborn Piglets, Intestinal Microorganisms of Sows

QI Qien, XIAO Junfeng, ZHANG Jun, ZHAO Hai, LIU Shuang, WEN Qingqi

doi:10.3969/j.issn.1006-267x.2018.10.036

2018 , Vol. 30 >Issue 10: 4105 - 4112

DOI: https://doi.org/10.3969/j.issn.1006-267x.2018.10.036

Molecular Nutrition

Effects of Dietary Chito-Oligosaccharide for Perinatal Sows on Immune Function of Sows and Newborn Piglets, Intestinal Microorganisms of Sows

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1. Fujian Key Laboratory of Swine Nutrition and Feed, Fujian Aonong Biological Technology Group Inc., Zhangzhou 363000, China;
2. School of Life Science and Engineering, Foshan University, Foshan 528231, China;
3. College of Animal Science, Jiangxi Agricultural University, Nanchang 330045, China

Received date: 2018-03-05

Online published: 2018-10-20

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Abstract

This experiment was conducted to study the effects of dietary chito-oligosaccharide (COS) for perinatal sows on immune function of sows and newborn piglets, intestinal microorganisms of sows. Forty Yorkshire sows with similar body weight, back-fat, parity and expected date of confinement were assigned into 2 groups with 20 replicates per group and 1 sow per replicate. Sows in control group were fed a basal diet, and those in experimental group were fed the basal diet supplemented with 30 mg/kg COS. The experiment lasted from the 90th day of gestation to the 7th day after farrowing. The results showed as follows:1) dietary COS for perinatal sows had no significant effects on labor course, total number of piglets born, number of piglets born alive, live born litter weight of piglets and born individual weight of piglets (P>0.05). 2) Dietary COS for perinatal sows significantly increased serum immunoglobulin G (IgG), immunoglobulin A (IgA) and interleukin-6 (IL-6) contents of sows (P<0.05), and had no significant effects on serum immunoglobulin M (IgM), interleukin-2 (IL-2) and tumor necrosis factor-α (TNF-α) contents of sows (P>0.05). 3) Dietary COS for perinatal sows significantly increased colostrum IgG, IL-2 and IL-6 contents (P<0.05), and had no significant effects on colostrum IgA, IgM and TNF-α contents (P>0.05). 4) Dietary COS for perinatal sows significantly increased serum IL-2 and IL-6 contents of newborn piglets (P<0.05), and significantly decreased IgA content (P<0.05). 5) Dietary COS for perinatal sows significantly decreased fecal Salmonella population (P<0.05) and tended to decrease fecal Escherichia coli population of sows (P=0.062). In conclusion, dietary COS for perinatal sows can improve intestinal health of sows, increased the born alive number of piglets to a certain extent, and enhance immune function of both sows and newborn piglets.

Key words： chito-oligosaccharide; immune; perinatal period; sows; piglets

Cite this article

QI Qien, XIAO Junfeng, ZHANG Jun, ZHAO Hai, LIU Shuang, WEN Qingqi . Effects of Dietary Chito-Oligosaccharide for Perinatal Sows on Immune Function of Sows and Newborn Piglets, Intestinal Microorganisms of Sows[J]. Chinese Journal of Animal Nutrition, 2018 , 30(10) : 4105 -4112 . DOI: 10.3969/j.issn.1006-267x.2018.10.036

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