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首页> 外文期刊>Archives of Animal Nutrition >Effects of maternal 25-hydroxycholecalciferol during the last week of gestation and lactation on serum parameters, intestinal morphology and microbiota in suckling piglets
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Effects of maternal 25-hydroxycholecalciferol during the last week of gestation and lactation on serum parameters, intestinal morphology and microbiota in suckling piglets

机译：母亲25-羟基羟齐甲丙烯酸在妊娠血清参数，肠形态和微生物瘤中的妊娠和泌乳中的影响

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This study was conducted to test the effects of maternal 25-hydroxycholecalciferol (25OHD(3)) supplementation on serum parameters, intestinal morphology and microbiota in suckling piglets. The experiment started on day 107 of gestation and lasted until piglets were weaned on day 21 of lactation. Thirty-two sows were allocated randomly to two treatments (ND diet, basal diet with 2000 IU/kg of vitamin D-3; 25-D diet, basal diet with 50 mu g/kg 25OHD(3)). Results showed that maternal 25-D treatment increased (p< 0.05) serum 25OHD(3)concentration in the umbilical cords, which led to higher (p< 0.05) serum 25OHD(3)concentration of suckling piglets from 25-D sows. The GSH-Px activity in colostrum was higher (p< 0.05), as well as SOD and GSH-Px activities in milk, were higher (p< 0.05) in 25-D sows than ND sows. Compared with piglets suckling ND sows, piglets suckling 25-D sows had higher (p< 0.05) serum SOD activity on day 7, 14 and 21 of lactation. On day 21 of lactation, piglets form 25-D sows had greater (p< 0.05) serum levels of GH and IGF-I and lower (p< 0.05) serum DAO activity than those from ND sows. Piglets from 25-D sows had higher (p< 0.05) jejunal villus height than those from ND sows. Feeding 25OHD(3)to sows tended to increase (p< 0.10) the species richness in the colonic digesta of suckling piglets, as reflected by the alpha-diversity index of Chao-1. In the caecal digesta, the alpha-diversity for bacterial community analysis of Simpson and Shannon was lower (p< 0.05) in 25-D piglets than ND piglets. The relative abundances of colonicAlloprevotellaand caecalLactobacilluswere significantly higher, while the population of caecal[Eubacterium]_coprostanoligenes_groupwas lower (p< 0.05) in 25-D piglets than ND piglets. In conclusion, maternal 25OHD(3)supplementation partly improved antioxidant status in sows and suckling piglets and altered gut microbiota in the hindgut of piglets.
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