Dataset Information

Effects of early commercial milk supplement on the mucosal morphology, bacterial community and bacterial metabolites in jejunum of the pre- and post-weaning piglets.

ABSTRACT: OBJECTIVE:Sow milk (SM) may not be able to meet the piglet's nutritional needs in late lactation. Hence, this study was conducted to investigate the effects of early commercial milk (CM) supplement on the mucosal morphology, bacterial community and bacterial metabolites in jejunum of piglets. METHODS:Ten litters of newborn piglets ([Yorkshire×Landrace]×Duroc) were randomly divided into 2 groups of 5 litters. The piglets in the control group were suckled by the sow (SM), while the piglets in the treatment group (CM supplement) were supplemented with a CM supplement along with suckling from d 4 to d 28 of age. RESULTS:No significant differences were observed about jejunal mucosal morphology on d 28 and d 35 between two groups. On d 28, the activity of lactase in the jejunum was significantly decreased in the CM group, while the activity of sucrase and the ratio of maltase to lactase were significantly increased (p<0.05). On d 35, the activity of maltase in the jejunum was significantly increased in the CM group (p<0.05), and maltase to lactase ratio tended to increase in the CM group (p = 0.065). In addition, piglets in the CM group had a higher abundance of Clostridium XI, Tuicibater, and Moraxella in the jejunum on d 28, while the abundance of Lactobacillus was significantly increased on d 35 (p<0.05). CONCLUSION:The early CM supplement improved the maturation of the jejunum to some extent by enhancing the maltase and sucrase activities. Moreover, the early CM supplement could help maintain the homeostasis of internal environment in jejunum by increasing the microbial-derived metabolites.

SUBMITTER: Hu P

PROVIDER: S-EPMC7054622 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Effects of early commercial milk supplement on the mucosal morphology, bacterial community and bacterial metabolites in jejunum of the pre- and post-weaning piglets.

Hu Ping P Niu Qingyan Q Zhu Yizhi Y Shi Chao C Wang Jing J Zhu Weiyun W

Asian-Australasian journal of animal sciences 20190803 3

<h4>Objective</h4>Sow milk (SM) may not be able to meet the piglet's nutritional needs in late lactation. Hence, this study was conducted to investigate the effects of early commercial milk (CM) supplement on the mucosal morphology, bacterial community and bacterial metabolites in jejunum of piglets.<h4>Methods</h4>Ten litters of newborn piglets ([Yorkshire×Landrace]×Duroc) were randomly divided into 2 groups of 5 litters. The piglets in the control group were suckled by the sow (SM), while the ...[more]

PMID: 31480171

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Project description:AIM:To determine the in vivo and in vivo effects of cysteamine (CS) on expression and activity of H(+)-K(+)-ATPase of gastric mucosal cells in weaning piglets. METHODS:Eighteen litters of newborn Xinhuai piglets were employed in the in vivo experiment and allocated to control and treatment groups. From 12 d of age (D12), piglets in control group were fed basal diet, while the treatment group received basal diet supplemented with 120 mg/kg CS. Piglets were weaned on D35 in both groups. Six piglets from each group (n = 6) were slaughtered on D28 (one week before weaning), D35 (weaning), D36.5, D38, D42, and D45 (36 h, 72 h, one week and 10 d after weaning), respectively. Semi-quantitative RT-PCR was performed to determine the levels of H(+)-K(+)-ATPase mRNA in gastric mucosa. H(+)-K(+)-ATPase activity in gastric mucosa homogenate was also determined. Gastric mucosal epithelial cells from piglets through primary cultures were used to further elucidate the effect of CS on expression and activity of H(+)-K(+)-ATPase in vivo. Cells were treated for 20 h with 0.001, 0.01, and 0.1 mg/mL of CS (n = 4), respectively. The mRNA expression of H(+)-K(+)-ATPase and somatostatin (SS) as well as the H(+)-K(+)-ATPase activity were determined. RESULTS:in vivo, both mRNA expression and activity of H(+)-K(+)-ATPase in gastric mucosa of control group exhibited a trend to increase from D28 to D45, reaching a peak on D45, but did not show significant age differences. Furthermore, neither the mRNA expression nor the activity of H(+)-K(+)-ATPase was affected significantly by weaning. CS increased the mRNA expression of H(+)-K(+)-ATPase by 73%, 53%, 30% and 39% on D28 (P = 0.014), D35 (P = 0.017), D42 (P = 0.013) and D45 (P = 0.046), respectively. In accordance with the mRNA expression, H(+)-K(+)-ATPase activities were significantly higher in treatment group than in control group on D35 (P = 0.043) and D45 (P = 0.040). In vivo, CS exhibited a dose-dependent effect on mRNA expression and activity of H+-K+-ATPase. Both H(+)-K(+)-ATPase mRNA expression and activity in gastric mucosal epithelial cells were significantly elevated after 20 h of exposure to the moderate (H(+)-K(+)-ATPase expression: P=0.03; H(+)-K(+)-ATPase activity: P = 0.014) and high concentrations (H(+)-K(+)-ATPase expression: P=0.017; H(+)-K(+)-ATPase activity: P = 0.022) of CS. Significant increases in SS mRNA expression were observed to accompany the elevation of H(+)-K(+)-ATPase expression and activity induced by the moderate (P = 0.024) and high concentrations (P = 0.022) of CS. Low concentration of CS exerted no effects either on expression and activity of H(+)-K(+)-ATPase or on SS mRNA expression in cultured gastric mucosal epithelial cells. CONCLUSION:No significant changes are observed in mRNA expression and activity of H(+)-K(+)-ATPase in gastric mucosa of piglets around weaning from D28 to D45. CS increases expression and activity of gastric H(+)-K(+)-ATPase in vivo and in vivo. SS is involved in mediating the effect of CS on gastric H(+)-K(+)-ATPase expression and activity in weaning piglets.

Dataset Information

Effects of early commercial milk supplement on the mucosal morphology, bacterial community and bacterial metabolites in jejunum of the pre- and post-weaning piglets.

Publications

Effects of early commercial milk supplement on the mucosal morphology, bacterial community and bacterial metabolites in jejunum of the pre- and post-weaning piglets.

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