Fat deposition deficiency is critical for the high mortality of pre-weanling newborn piglets

Journal of Animal Science and Biotechnology
Ting HeXi Ma

Abstract

The high mortality of pre-weanling piglets is a dominant challenge which severely restricts the development of pig industry. A number of factors including nutrients imbalance and temperature variation during postnatal period of piglets have been reported to closely associated with the high mortality of postnatal piglets. This study aims to find out the relationship between fat deposition and survival of newborn piglets. There were no differences in organ coefficient and bone density between the surviving and dead piglets (P > 0.05). The body weight and the fat deposition in the dead piglets were lower than the live individuals (P < 0.05). Consistently, the average sizes of white adipocytes in back and abdominal adipose tissues of dead piglets were smaller than the survivals (P < 0.05). The protein expression levels of adipocyte differentiation markers PPARγ and C/EBPα in the back and abdominal adipose tissues were lower in dead piglets compared to live piglets. The mRNA expressions of thermogenic markers PGC1α and PRDM16 in adipose tissues were decreased in the dead piglets (P < 0.05). The microarray of back fat samples from the surviving and dead piglets were conducted; two down-regulated genes namely AAMDC and CASTOR1 were id...Continue Reading

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Citations

Jul 10, 2019·Animal : an International Journal of Animal Bioscience·C H G MartinezA F C Andrade
Mar 14, 2020·Journal of the Science of Food and Agriculture·Xiang XiaoXinghua Zhou
Jul 7, 2020·Journal of the Science of Food and Agriculture·Shahid IqbalXiao Dong Chen
Jul 18, 2019·BioMed Research International·Ting GuChong Wang
Jun 3, 2020·Journal of the Science of Food and Agriculture·Ningning XieJue Zhou
Dec 22, 2020·Journal of the Science of Food and Agriculture·Pilaipan ChairukChaweewan Jansakul
Feb 20, 2020·Current Protein & Peptide Science·Fei XieHongfu Zhang
Jul 20, 2021·Obesity Reviews : an Official Journal of the International Association for the Study of Obesity·Shumin ZhangXi Ma
Oct 27, 2021·Critical Reviews in Food Science and Nutrition·Min ZhouXi Ma

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Methods Mentioned

BETA
X-ray
Protein Assay
PCR

Software Mentioned

ArrayTools
Lunar
dChip
BRB
SAS
Affymetrix GeneChip Operating Software

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