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Enhancement of sperm motility and viability by turmeric by-product dietary supplementation in roosters

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Title: Enhancement of sperm motility and viability by turmeric by-product dietary supplementation in roosters
Authors: Yan, Wenjing Browse this author
Kanno, Chihiro Browse this author
Oshima, Eiki Browse this author
Kuzuma, Yukiko Browse this author
Kim, Sung Woo Browse this author
Bai, Hanako Browse this author
Takahashi, Masashi Browse this author →KAKEN DB
Yanagawa, Yojiro Browse this author
Nagano, Masashi Browse this author →KAKEN DB
Wakamatsu, Jun-ichi Browse this author →KAKEN DB
Kawahara, Manabu Browse this author →KAKEN DB
Keywords: Chicken
Turmeric by-product
Sperm motility
Heat stress
Reactive oxygen species
Issue Date: Oct-2017
Publisher: Elsevier
Journal Title: Animal reproduction science
Volume: 185
Start Page: 195
End Page: 204
Publisher DOI: 10.1016/j.anireprosci.2017.08.021
PMID: 28869111
Abstract: Improving sperm motility and viability are major goals to improve efficiency in the poultry industry. In this study, the effects of supplemental dietary turmeric by-product (TBP) from commercial turmeric production on sperm motility, viability, and antioxidative status were examined in domestic fowl. Mature Rhode Island Red roosters were divided into two groups controls (group C) without TBP administration and test subjects (group T) fed a basal diet supplemented with 0.8 g of TBP/day in a temperature-controlled rearing facility (Experiment 1) and 1.6 g/day under heat stress (Experiment 2) for 4 weeks. In Experiment 1, TBP dietary supplementation increased the sperm motility variables straight-line velocity, curvilinear velocity, and linearity based on a computer-assisted semen analysis, 2 weeks following TBP supplementation. In Experiment 2, using flow cytometry, sperm viability at 3 and 4 weeks following TBP supplementation was greater in Group T than C, and this increase was consistent with a reduction in reactive oxygen species (ROS) production at 2 and 4 weeks. The results of both experiments clearly demonstrate that dietary supplementation with TBP enhanced sperm motility in the controlled-temperature conditions as well as sperm viability, and reduced ROS generation when heat stress prevailed. Considering its potential application in a range of environments, TBP may serve as an economical and potent antioxidant to improve rooster fertility.
Rights: © 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
http://creativecommons.org/licenses/by-nc-nd/4.0/
Type: article (author version)
URI: http://hdl.handle.net/2115/71596
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 川原 学

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