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Publication
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| Title of Article |
The Melatonin Treatment Improves the Ovarian Responses After Superstimulation in Thai-Holstein Crossbreds under Heat Stress Conditions |
| Date of Acceptance |
1 April 2022 |
| Journal |
| Title of Journal |
Frontiers in Veterinary Science |
| Standard |
SCOPUS |
| Institute of Journal |
Frontiers Media S.A. |
| ISBN/ISSN |
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| Volume |
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| Year of Publication |
2022 |
| Page |
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| Abstract |
The effect of heat stress with melatonin treatment on the superovulatory responses and embryo characteristics in Thai-Holstein crossbreds under heat stress conditions was examined. Six non-lactating cows (replication = 4; n = 24) were assigned to one of 2
treatments in double cross-over design. All cows were superstimulated with traditional treatment. Melatonin group (n=12): cows received intramuscularly injection 18 mg./50 kg. simultaneously with GnRH injection, while those in the control group (n=12)
received none. Bloods samples were taken to determine lipid peroxidation (MDA) and the activity of the antioxidant enzymes (superoxide dismutase; SOD). The experiment was conducted from April to September, which determined severe heat stress (the mean temperature-humidity index above 77). The results revealed that numbers of large follicles and corpora lutea were higher in the melatonin group than in the control group (p<0.01). Numbers of recovered ova/embryos, fertilized ova, and transferable embryos were higher in the melatonin group (p<0.01); meanwhile, more degenerated embryos were found in the control group (p<0.01). Increased activity of the antioxidant enzymes SOD after melatonin administration decreased MDA levels (p<0.05). In summary, melatonin administration benefited the ovarian response and embryo quality in superstimulated Thai-Holstein crossbreed affected by heat stress. |
| Keyword |
dairy cows, Follicular development, Oxidative Stress, ROS, Superstimulation, THI (Temperature Humidity Index) |
| Author |
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| Reviewing Status |
มีผู้ประเมินอิสระ |
| Status |
ได้รับการตอบรับให้ตีพิมพ์ |
| Level of Publication |
นานาชาติ |
| citation |
false |
| Part of thesis |
true |
| Attach file |
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| Citation |
0
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Journal Publication
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