논문 (학술지)
Effect of dietary supplementation of betaine on productive performance, egg quality and jejunal tight junction-related gene expression in laying hens raised under hot environmental conditions
| 등록번호 | RPMS-2019-0290798563 | SCI 구분
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※구분 : SCI(SCIE포함), 비SCI |
SCI |
|---|---|---|---|
| 저자명 (주·공동저자) | Shin J.E.; Kim J.H.; Goo D.; Han G.P.; Pitargue F.M.; Kang H.K.; Kil D.Y. | ||
| 논문구분 | 국외전문학술지 | 학술지명 | LIVESTOCK SCIENCE |
| ISSN | 1871-1413 | 학술지 출판일자 | - |
| 학술지 볼륨번호 | 214 | 논문페이지 | 79 ~ 82 |
| 학술지 임팩트팩터 | 1.377 | 기여율 | 100 % |
| DOI | 10.1016/j.livsci.2018.05.013 | ||
| 초록 | Abstract The objective of this experiment was to investigate the effect of dietary supplementation of betaine on productive performance, egg quality, and jejunal tight junction-related gene expression in laying hens raised under hot environmental conditions. A total of 216 laying hens of 32 weeks of age were allotted to 1 of 3 dietary treatments with 6 replicates and 12 hens per replicate in a completely randomized design. A commercial-type basal diet was prepared, and 3.0 or 6.0 g/kg of betaine was supplemented to the basal diet. Diets were fed to hens for 6 weeks. Hens were raised during the hot season (the end of July to the middle of September), and the average daily room temperature and relative humidity were 25.8 ± 2.0 °C and 74.8 ± 7.3%, respectively. At the end of the experiment, 2 hens per replicate were euthanized to collect jejunal mucosa samples. Results indicated that a tendency (linear, P = 0.094) for increased hen-day egg production was observed as inclusion amounts of betaine in diets were increased. Increasing inclusion amounts of betaine in diets decreased (linear, P P OCLN ; linear, P CLDN-1 ; linear, P = 0.062), but decreased the expressions of zonula occludens-1 ( ZO-1 ; linear and quadratic, P JAM-2 ; linear and quadratic, P Highlights Effect of dietary betaine for laying hens raised under hot environmental conditions was determined. Dietary betaine improves laying performance. Dietary betaine increases the expression of OCLN and CLDN-1 genes in the jejunum. | ||
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