Ramaswami, L. S. and Sundararaj, B. I. (1958) Induced spawning in the catfish heteropneustes with mammalian chorionic gonadotrophins. Cells Tissues Organs, 32 (3). pp. 230-234. ISSN 1422-6405
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1. Mammalian chorionic or placental gonadotropin preparations have been used to induce spawning in eggbound Heteropneustex during the nonbreeding season (December). Also progesterone and ocstrogens have been tried but without success. 2. Injection of 100-150 IU of Antuitrin S (chorionic gonadotropin) made the eggbound catfish yield viable eggs. Larger doses of it do not appear to be helpful. 3. Ant ex (pregnant mares' serum gonadotropin) is not capable of making the catfish ovulate. Antex followed by Physex (human chorionic gonadotropin), or Physex alone, made the eggbound catfish yield viable eggs hatching into fry. It may not be incorrect to assume that the pituitary of fish must also be secreting hormones comparable with mammalian follicle stimulating hormone and luteinising hormone, although the mammalian pituitary and placental gonadotrophins are not exactly similar. © 1958 S. Karger AG, Basel.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Fishes, Animals, animal, fish, gonadotropin, Gonadotropins, mammal, catfish, Catfishes, chorionic gonadotropin, Chorionic Gonadotropin, Mammals |
| Subjects: | B Life Science > Zoology |
| Divisions: | Department of > Zoology |
| Depositing User: | Dhruva Kumar |
| Date Deposited: | 17 May 2021 10:17 |
| Last Modified: | 17 May 2021 10:17 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/14098 |
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