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Serine Supplementation in the Diets of Late Gestating and Lactating Sows Improves Selenium Nutritional Status in Sows and Their Offspring

文献类型： 外文期刊

作者： Zhou, Lamei 1 ; Feng, Yanzhong 3 ; Liu, Yonghui 1 ; He, Liuqin 1 ; Zhou, Xihong 1 ; Yin, Yulong 1 ;

作者机构： 1.Chinese Acad Sci, Inst Subtrop Agr, Hunan Prov Key Lab Anim Nutr Physiol & Metab Proc, Changsha 410125, Peoples R China

2.Hunan Agr Univ, Coll Anim Sci & Technol, Changsha 410128, Peoples R China

3.Heilongjiang Acad Agr Sci, Inst Anim Husb, Harbin 150086, Peoples R China

4.Hunan Normal Univ, Coll Life Sci, Hunan Int Joint Lab Anim Intestinal Ecol & Hlth, Changsha 410081, Peoples R China

关键词： Piglet; Sow; Serine; Selenium; Selenoprotein

期刊名称：BIOLOGICAL TRACE ELEMENT RESEARCH （ 影响因子：3.738； 五年影响因子：3.44 ）

ISSN： 0163-4984

年卷期：

页码：

收录情况： SCI

摘要： Serine can regulate selenoprotein expression, and dietary serine is correlated with the contents of plasma selenoprotein P (Sepp1) and milk selenium (Se) in lactating mothers. Based on this, we investigated the effects of serine supplementation in the diets of late gestating and lactating sows on Sepp1 and Se contents in sows and their offspring. A total of 72 sows were assigned to four groups. During the experiment, sows were fed either a basal diet or basal diets supplemented with three different levels of serine. The results showed that maternal dietary serine had no effect on the Se content in the serum of sows and their offspring, whereas it significantly increased the Se content in the liver of piglets at the age of 21 days. Maternal dietary serine significantly increased Sepp1 content, either in the serum of sows or that in their offspring at the ages of 3 days, 7 days, and 21 days. Additionally, maternal dietary serine significantly increased litter weight and the average body weight of piglets at the age of 11 days. Notably, a positive correlation was found between the average body weight of piglets at the age of 11 days and serum Sepp1 content in piglets, at the age of either 3 days or 7 days. In conclusion, maternal dietary serine supplementation could improve Se nutritional status in sows and their offspring. These beneficial changes may contribute to the higher body weight of the offspring.

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