Effects of β-Carotene on Immunoglobulin A Concentration in Feces, Serum and Milk of Late-Pregnancy Sows

ZHANG Xiaoyin; JI Yubin; LI Yanqiang; WU Min; MA Sihui; ZHENG Xin

doi:10.3969/j.issn.1006-267x.2016.02.032

Chinese Journal of Animal Nutrition >

2016 , Vol. 28 >Issue 2: 572 - 578

DOI: https://doi.org/10.3969/j.issn.1006-267x.2016.02.032

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Effects of β-Carotene on Immunoglobulin A Concentration in Feces, Serum and Milk of Late-Pregnancy Sows

ZHANG Xiaoyin ,
JI Yubin ,
LI Yanqiang ,
WU Min ,
MA Sihui ,
ZHENG Xin

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College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China

Received date: 2015-08-12

Online published: 2016-02-19

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Abstract

This experiment was conducted to study the effects of dietary β-carotene on fecal β-carotene content and immunoglobulin A (IgA) concentration in feces, serum and milk of late-pregnancy sows. A total of 30 sows with the similar reproductive condition and the same parity were randomly divided into 3 groups with 10 pigs per group, which were fed for 60 days. The control group was fed a basal diet, and the half month group and one month group were fed the basal diet supplemented with 200 mg/kg β-carotene before expected date half month and one month, respectively. The fecal β-carotene concentration was tested by high performance liquid chromatography (HPLC), and enzyme-linked immunosorbent assay (ELISA) was used to detect the concentration of IgA in feces, serum and milk. The results showed that the most of fecal β-carotene contents in the half month group and one month group were significantly higher than those in control group (P<0.05). A week before delivery, the most of IgA concentrations in feces in half month group and one month group were higher than those in control group; but in one week after delivery, the most of IgA concentrations in feces in half month group and one month group were lower than those in control group. In serum and milk, the IgA concentrations in the half month group and one month group were higher than those in control group except serum IgA concentration in one month group (P>0.05). In summary, β-carotene can increase fecal β-carotene content and IgA concentration in serum and milk, and then enhance immune the function of late-pregnancy sows.

Key words： β-carotene; late-pregnancy sows; HPLC; immunoglobulin A

Cite this article

ZHANG Xiaoyin , JI Yubin , LI Yanqiang , WU Min , MA Sihui , ZHENG Xin . Effects of β-Carotene on Immunoglobulin A Concentration in Feces, Serum and Milk of Late-Pregnancy Sows[J]. Chinese Journal of Animal Nutrition, 2016 , 28(2) : 572 -578 . DOI: 10.3969/j.issn.1006-267x.2016.02.032

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