Kavumpurath, S. ; Pandian, T. J. (1992) Hybridization and gynogenesis in two species of the genus Brachydanio Aquaculture, 105 (2). pp. 107-116. ISSN 0044-8486
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/004484...
Related URL: http://dx.doi.org/10.1016/0044-8486(92)90123-3
Abstract
Reciprocal crosses between Brachydanio frankei and B. rerio produced hybrids phenotypically intermediate between the parents. Eggs activated by UV-irradiated sperm yielded haploid progenies, which succumbed within 3 days after hatching. When B. frankei eggs were inseminated with UV-irradiated (4 min) B. rerio sperm and heat shocked at 39°C for 3 min, 57% of the embryos hatched; all the survivors were diploids. Heat shock (41°C) applied for 4 min to 2.5-min-old eggs of B. rerio fertilized with 5 min UV-irradiated B. frankei sperm induced gynogenesis. Adult diploid gynogens in B. frankei and B. rerio were identified by the spots or stripes, a maternal colour marker.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 39796 |
| Deposited On: | 17 May 2011 06:55 |
| Last Modified: | 17 May 2011 06:55 |
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