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Palygorskite Supplementation Improves Growth Performance, Oxidative Status, and Intestinal Barrier Function in Cherry Valley Ducks.


ABSTRACT: The effects of dietary palygorskite (Pal) supplementation on growth performance, oxidative status, and intestinal barrier function in ducks were investigated. In total, 720 one-day-old Cherry Valley ducks were categorized into 4 treatments comprising 6 replicates with 30 ducks each. Ducks were fed a basal diet supplemented with 0, 5, 10, or 20 g/kg Pal for 42 days. Twenty-four ducks (1 male/replicate) were slaughtered at 14 and 42 days and samples were collected for analysis. Pal supplementation quadratically increased weight gain and linearly and quadratically increased feed intake (P<0.05) during the starter period. Pal enhanced serum glutathione peroxidase activity (GSHPx) at 14 (linear and quadratic, P<0.05) and 42 days (linear, P<0.001), and lowered serum malondialdehyde (MDA) content at 14 and 42 days (quadratic, P<0.05). It enhanced 42-day liver superoxide dismutase activity (linear, P=0.003) and GSH-Px activity at 14 (quadratic, P=0.044) and 42 days (linear and quadratic, P<0.001), but decreased 14-day liver MDA content (quadratic, P=0.003). Pal reduced 42-day serum diamine oxidase activity (linear and quadratic, P<0.05) and serum endotoxin content at 14 (linear and quadratic, P<0.05) and 42 days (quadratic, P=0.017). It linearly and quadratically increased jejunal mucosal immunoglobulin (Ig) M at 42 days and IgG at 14 and 42 days, and 42-day ileal mucosal IgG and secretory IgA (P<0.05). Ileal mucosal IgM content was quadratically increased at 14 and 42 days (P<0.05) by Pal. Moreover, Pal enhanced the mRNA expression of 14-day occludin in the jejunal mucosa (quadratic, P=0.033) and that of 42-day zonula occludens-1 in the ileal mucosa (linear, P=0.027). Thus, dietary Pal supplementation exerts beneficial effects through improving growth performance, antioxidant capacity, and intestinal barrier function of ducks.

SUBMITTER: Wang Y 

PROVIDER: S-EPMC7005386 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Palygorskite Supplementation Improves Growth Performance, Oxidative Status, and Intestinal Barrier Function in Cherry Valley Ducks.

Wang Yuyu Y   Wang Baozhe B   Liu Qiang Q   Fan Chengrui C   Li Jiaying J   Zhou Yanmin Y   Zhuang Su S  

The journal of poultry science 20190701 3


The effects of dietary palygorskite (Pal) supplementation on growth performance, oxidative status, and intestinal barrier function in ducks were investigated. In total, 720 one-day-old Cherry Valley ducks were categorized into 4 treatments comprising 6 replicates with 30 ducks each. Ducks were fed a basal diet supplemented with 0, 5, 10, or 20 g/kg Pal for 42 days. Twenty-four ducks (1 male/replicate) were slaughtered at 14 and 42 days and samples were collected for analysis. Pal supplementation  ...[more]

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