Different effects of salmon gonadotropin I and II on vitellogenesis in Japanese eel, Anguilla japonica
Kanemaru, A.; Sato, N.; Murayama, T.; Kawazoe, I.; Suzuki, Y.; Aida, K. (2000). Different effects of salmon gonadotropin I and II on vitellogenesis in Japanese eel, Anguilla japonica, in: Norberg, B. et al. (Ed.) Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. pp. 309
In: Norberg, B. et al. (2000). Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. International Symposium on the Reproductive Physiology of Fish, 6. Department of Fisheries and Marine Biology, University of Bergen: Bergen. ISBN 82-7461-048-2. 499 pp., more
In: International Symposium on the Reproductive Physiology of Fish. Museo Nacional de Ciencias Naturales. , more
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| Authors | | Top |
- Kanemaru, A.
- Sato, N.
- Murayama, T.
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- Kawazoe, I.
- Suzuki, Y.
- Aida, K.
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| Abstract |
The effects of sGTH I and II on vitellogenesis were examined in Japanese eel. After a single injection of salmon gonadotropin (sGTH) I or II, changes in BW, moisture and protein contents of ovary, and oocyte diameter were investigated by using vitellogenic eel. Both sGTHs induced an increase in oocyte diameter, whereas only sGTH II caused an increase in BW and moisture contents of ovary. It is considered that the increase in oocyte diameter by sGTH I is due to accumulation of yolk protein, while the increase in oocyte diameter by sGTH II is due to accumulation of yolk protein and hydration of the oocyte. |
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