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- 저자 : Kuzuma, Yukiko (검색결과 1 건)
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Yan, Wenjing,Kanno, Chihiro,Oshima, Eiki,Kuzuma, Yukiko,Kim, Sung Woo,Bai, Hanako,Takahashi, Masashi,Yanagawa, Yojiro,Nagano, Masashi,Wakamatsu, Jun-ichi,Kawahara, Manabu Elsevier 2017 Animal reproduction science Vol.185 No.-
<P><B>Abstract</B></P> <P>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 (groupC) without TBP administration and test subjects (groupT) fed a basal diet supplemented with 0.8g of TBP/day in a temperature-controlled rearing facility (Experiment 1) and 1.6g/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.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Turmeric by-product (TBP) improves sperm properties in domestic fowl. </LI> <LI> Dietary TBP increases sperm motility and viability under a controlled temperature. </LI> <LI> Computer-assisted sperm analysis enabled a thorough analysis of the effects of TBP. </LI> <LI> TBP reduced ROS generation under heat stress. </LI> <LI> Our results indicated that TBP may effectively improve rooster fertility. </LI> </UL> </P>
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