Maternal chitosan oligosaccharide intervention optimizes the production performance and health status of gilts and their offspring

• 作者: Allan Gunn Bing Wang Marefa Jahan Peter C.Wynn Susie Kracht Thi Ho Yuguang Du Ziaul Haque
• 来源期刊: 动物营养:英文版
• 学科: 农学
• 关键词: Chitosan oligosaccharides Milk production IMMUNOGLOBULIN GESTATION LACTATION
• 年，卷（期）: 2020,（2）
• 页码范围: 134-142
• 页数: 9页
• 分类号: S828.5

摘要

Chitosan oligosaccharides(COS)are the hydrolyzed product of chitosan and have multifunctional health benefits.The objective of this study was to elucidate the effect of COS as a dietary supplement to gilts on their productivity and health and that of their litters.Gilts were randomly assigned to either a treatment(n=30)or control group(n=30).The treatment gilts were fed a standard dry sow ration supplemented with COS at 0.12 and 0.24 g/gilt per d during gestation and lactation,respectively,and the control group was fed the standard dry sow ration only.The body weight,reproductive performance,milk production and litter size for each gilt and body weight of corresponding litters were recorded.The serum immunoglobulins(IgA,IgG,IgM)and secretory immunoglobulin A(sIgA)concentrations of gilts and piglets and fecal sIgA concertation of gilts were measured by Enzyme-linked immunosorbent assay(ELISA).Our study showed that maternal COS supplementation 1)significantly increased gilt body weight in late pregnancy(P<0.05),2)significantly increased milk production of gilts at different stages(d 1,3,7 and19)of lactation(P<0.05),3)significantly increased body weight gain of piglets at weaning(P<0.05),4)significantly increased the serum concentrations of IgM and sIgA in piglets,and slgA in fecal sample of gilts(P<0.05),and 5)tended to increase the pregnancy success rate(P>0.05)in the treatment group compared to the control group.These results suggest that maternal COS intervention in gilts can improve gilt milk production,piglet pre-weaning growth and immunity parameters in both gilts and piglets.