Effects of Oregano Essential Oil on Growth Performance, Serum Hormone Indexes and Small Intestine Tissues Insulin-Like Growth Factor-Ⅰ Content of Weaned Piglets

MA Yufang, WANG Guansong, MIN Siming, LIAO Lvyan, WU Zhangqiang, HUANG Yifan

doi:10.3969/j.issn.1006-267x.2018.06.034

2018 , Vol. 30 >Issue 6: 2303 - 2309

DOI: https://doi.org/10.3969/j.issn.1006-267x.2018.06.034

Molecular Nutrition

Effects of Oregano Essential Oil on Growth Performance, Serum Hormone Indexes and Small Intestine Tissues Insulin-Like Growth Factor-Ⅰ Content of Weaned Piglets

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1. University Key Laboratory for Integrated Chinese Traditional and Western Veterinary Medicine and Animal Healthcare in Fujian Province, Fuzhou 350002, China;
2. Fujian Key Laboratory of Traditional Chinese Veterinary Medicine and Animal Health(Fujian Agriculture and Forestry University), Fuzhou 350002, China;
3. Fujian Zhong Nong Mu Biological Pharmaceutical Co., Ltd., Longyan 364000, China

Received date: 2017-11-20

Online published: 2018-06-20

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Abstract

This experiment was conducted to investigate the effects of dietary supplementation of oregano essential oil(OEO) on growth performance, serum hormone indexes and small intestine tissues insulin-like growth factor-Ⅰ (IGF-Ⅰ) content of weaned piglets. One hundred and twenty 25-day-old weaned piglets (Large White×Landrace) with similar average body weight were selected and randomly allocated into 4 groups with 3 replicates per group and 10 piglets per replicate. Piglets in the control group were fed a basal diet, and the others in the experimental groups were fed the basal diets supplemented with 300, 500 and 800 mg/kg OEO, respectively. The pre-experimental period lasted for 5 days, and the experimental period lasted for 30 days. The results showed that compared with the control group, the average daily feed intake of weaned piglets at day 1 to 30 in the three experimental groups was significantly increased (P<0.01), the average daily gain was significantly increased (P<0.05 or P<0.01), and the diarrhea rate was significantly decreased (P<0.01); the serum IGF-Ⅰ content of weaned piglets at day 15 in the three experimental groups was significantly increased (P<0.05), and the serum IGF-Ⅰ content at day 30 was significantly increased (P<0.01); the content of IGF-Ⅰ in duodenum and ileum of weaned piglets in the three experimental groups was significantly increased (P<0.01). In conclusion, diet supplemented with OEO can improve the content of IGF-Ⅰ in serum and small intestine tissues, and improve the growth of weaned piglets.

Key words： oregano essential oil; weaned piglets; growth performance; hormone

Cite this article

MA Yufang, WANG Guansong, MIN Siming, LIAO Lvyan, WU Zhangqiang, HUANG Yifan . Effects of Oregano Essential Oil on Growth Performance, Serum Hormone Indexes and Small Intestine Tissues Insulin-Like Growth Factor-Ⅰ Content of Weaned Piglets[J]. Chinese Journal of Animal Nutrition, 2018 , 30(6) : 2303 -2309 . DOI: 10.3969/j.issn.1006-267x.2018.06.034

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