Effects of early-life lactoferrin intervention on growth performance, small intestinal function and gut microbiota in suckling piglets

Food & Function
Ping HuJ Wang

Abstract

The early postnatal stage is a critical period for suckling animals in developing intestinal function and stabilizing gut microbiota. Lactoferrin (LF) plays a critical role in promoting gut development and regulating gut microbiota. This study investigates the impact of early-life lactoferrin (LF) intervention on the growth performance, small intestinal function and gut microbiota in suckling piglets. Sixty suckling piglets (1.51 ± 0.05 kg) obtained from six sows (10 piglets per litter) were assigned to a control (CON) group and an LF group in each litter, which were sow-fed. Piglets in the LF group were orally administered 8-12 mL LF solution (0.5 g per kg body weight per day) for a week, and piglets in the CON group were orally administered the same dose of physiological saline. Six piglets (n = 6) from each group were euthanized on days 8 and 21. The early-life LF intervention increased growth performance, with higher villi height of the jejunum and greater disaccharidase activity of the jejunum and ileum (P < 0.05). Diarrhoea incidence decreased in the LF group from day 1 to day 7 (P < 0.05). Urinary lactulose-mannitol ratios decreased in the LF group, whereas the gene and protein expressions of jejunal occludin increased i...Continue Reading

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Sep 2, 2021·Animal Nutrition·Edward Alain B PajarilloDae-Kyung Kang

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Datasets Mentioned

BETA
SRP150977

Methods Mentioned

BETA
Protein Assay
enzyme-linked immunosorbent assay
ELISA
PCR
immunoprecipitation assay
electrophoresis

Software Mentioned

SPSS
MOTHUR

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