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- Title
Effects of adding medium-chain fatty acids in the diet on growth performance of sows during late pregnancy.
- Authors
Hsieh, Y. H.; Wang, P. Y.; Li, H. L.; Tsai, S. C.; Wang, C. M.; Lin, Y. F.
- Abstract
During the late pregnancy, the fast-growing fetuses press the gastrointestinal tract of the mother, which causes the decrease of feed intake of sows. In consequence, the lack of proper nutrition affects the birth weight of piglets, lactation yield, and postpartum estrus of sows. Eventually, it impacts the reproductive performance of sows. During the summer of Taiwan, the high temperature and high humidity lead to the heat stress of sows, and the feed intake decline gets worse. The purpose of this study was to add medium-chain fatty acids (MCFAs) with lower heat increments in the diets to investigate the effects on the growth performance of sows during late pregnancy. Based on the body weight and parity, day 84 pregnancy of sows were divided into 3 groups randomly, which included the control group (1.5% soybean oil in diet), 0.75% group (0.75% soybean oil + 0.75% MCFAs), and 1.5% group (MCFAs 1.5%). The chemical component of MCFAs used in this study was C6: C8: CIO = 1: 1: 1 (Sigma) and there were 4 heads of sows in each group. Sows moved into the farrowing house and body weight was measured prior to the offer of treatment diets, and then the feed intake of sows was recorded. The results demonstrated that sows fed with diets adding 0.75% of MCFAs had higher daily gain and feed efficiency during late pregnancy.
- Subjects
FATTY acid analysis; SOWS; SWINE growth; SWINE nutrition; PREGNANCY in animals; WEIGHT of swine
- Publication
Journal of the Chinese Society of Animal Science, 2021, Vol 50, p187
- ISSN
0253-9187
- Publication type
Article