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Review
. 2019 Jan 13;9(1):19.
doi: 10.3390/ani9010019.

Role of Maternal Dietary Protein and Amino Acids on Fetal Programming, Early Neonatal Development, and Lactation in Swine

Affiliations
Review

Role of Maternal Dietary Protein and Amino Acids on Fetal Programming, Early Neonatal Development, and Lactation in Swine

Shihai Zhang et al. Animals (Basel). .

Abstract

Maternal nutrition plays a vital role in fetal development, early development of neonates, and lactation and regulates the lifetime productivity of offspring. During pregnancy, maternal nutrition alters expression of the fetal genome and the development of tissues and organs via fetal programming. After parturition, maternal nutrition continues to regulate growth and development of piglets through maternal milk, which contains carbohydrates, lipids, proteins and oligosaccharides. Thus, deficiencies in maternal nutrition are detrimental to development of piglets, which can lead to inefficient growth and decreased carcass merit. Protein is an important nutritional component for sows, which not only functions in muscle development, but also plays a vital role in embryonic and neonatal development and lactation. Although effects of maternal undernutrition on neonatal development have been widely studied in sows, the function of different maternal dietary protein levels on fetal development, neonatal growth and lactation performance of sows is largely unknown. Determination of the effects and underlying mechanisms of maternal dietary protein levels on development of piglets is vital to the pork industry. Therefore, we summarized recent reports regarding mechanisms of effects of maternal protein levels on regulation of conceptus growth and early postnatal development though uterine fetal programming and lactation in swine.

Keywords: dietary protein level; fetus development; lactation; sows.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Maternal regulation of early development of neonates through fetal programming and lactation.
Figure 2
Figure 2
Effects of deficient and excess maternal protein level on fetal fiber formation. Upward-pointing arrow indicates “increase” and downward-pointing arrow indicates “decrease”.
Figure 3
Figure 3
Effects of deficient and excess maternal protein level on neonate fat formation. Upward-pointing arrow indicates “increase” and downward-pointing arrow indicates “decrease”.

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