期刊
ANIMALS
卷 11, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/ani11061699
关键词
antioxidants; fatty-acids; intrauterine-growth-restriction; pregnancy; swine-model
资金
- Ministry of Economy and Competitiveness [AGL2013-48121-C3-2-R, AGL2016-79321-C2-1-R]
- FEDER
- Spanish Government [BES-2017-080541, BES-2014-070464, FPU014/01285]
The study aimed to investigate the effects of a dietary supplementation combining hydroxytyrosol and n-3 polyunsaturated fatty acids on prenatal development and metabolic traits in swine, a model of intrauterine growth restricted pregnancies. Results showed that treated sows had larger litters with smaller fetuses, but better development of major organs. Fetuses from the treated group displayed improved glycemic and lipidic indexes, although no effects were found on antioxidant profiles. Further research is needed to fully understand the implications of the treatment on both prenatal and postnatal development.
Simple Summary The present study aimed to determine benefits and risks of a dietary supplementation combining hydroxytyrosol and n-3 polyunsaturated fatty acids (PUFA) on prenatal development and metabolic traits in swine, a model of intrauterine growth restricted (IUGR) pregnancies. No effects were found regarding sows' weight and adiposity. Treated sows had larger litters, with smaller fetuses. However, these animals had better development of some major organs. Fetuses from the treated group had better glycemic and lipidic indexes, but no effects on anti/prooxidant profiles were found. Maternal supplementation with antioxidants and n-3 PUFAs may be a promising strategy to reduce the risk of intrauterine growth restriction and preterm delivery, which may diminish the appearance of low-birth-neonates. A previous studies showed beneficial outcomes of the combination of hydroxytyrosol and linoleic acid, but there is no data of its prenatal effects. The present study aimed to determine the possible prenatal implications of such maternal supplementation at prenatal stages in swine, a model of IUGR pregnancies. Results showed effects on litter size, with treated sows having larger litters and, therefore, smaller fetuses. However, the brain/head weight ratio showed a positive effect of the treatment in development, as well as in some other major organs like lungs, spleen, or kidneys. On the other hand, treated piglets showed better glycemic and lipidemic profiles, which could explain postnatal effects. However, further research on the implications of the treatment on litter size and prenatal and postnatal development must be done before practical recommendation can be given.
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