1 / 20

Factors Affecting on Sex Reversal of Fishes

Factors Affecting on Sex Reversal of Fishes. Miss Rattanasuda Chaiyachate Miss Sirorat Seebancham. Introduction. Hermaphrodite 1. Synchronous hermaphrodite Male + female 2. Consecutive hermaphrodite 2.1 protogenous type ….. Female  male 2.2 protandrous type ….. Male  female.

hamish
Download Presentation

Factors Affecting on Sex Reversal of Fishes

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Factors Affecting on Sex Reversal of Fishes Miss Rattanasuda Chaiyachate Miss Sirorat Seebancham

  2. Introduction • Hermaphrodite 1. Synchronous hermaphrodite • Male + female 2. Consecutive hermaphrodite 2.1 protogenous type ….. Female male 2.2 protandrous type ….. Male female

  3. Synchronous hermaphrodite Hamlet Peppered moray Twinspot bass

  4. Protogenous Angelfish Red grouper

  5. Protandrous Anemone Blue ribbon eel

  6. Sex Determination • Genetics • Chromosome  XX-XY , ZW-ZZ, XX-XO • DNA • Environment • Social and Behavior • Temperature • Hormone manipulation • Genetic manipulation • Operation

  7. Social and Behavior • Family Pomacentridae • Anemene • Family Serranidae • Wrasses

  8. Wrasses

  9. Temperature • Sockeye salmon

  10. Temperature • Mangrove rivulus

  11. Temperature • Atlantic silverside

  12. Hormone manipulation • Male hormone • Methyltestosterone • Fluoxymesterone • Androsterone • 17-ethyltestosterone • Androstenedione • Dihydroepiandrosterone • methylandrostenediol

  13. Hormone manipulation • Tilapia • Aquarium fishes • Guppy • Siam fighting fish

  14. Hormone manipulation • Female hormone • 17-beta Estradiol (EST) • ethynylestradiol(EE) • Diethylstilbestrol (DES)

  15. Hormone manipulation • Walking catfish • Climbing perch • Snake skin gourami

  16. Hormone manipulation • Sea bass • Black bream • Rainbow trout

  17. Hormone manipulation • Sturgeon

  18. Genetic manipulation • Gynogenisis • Walking catfish • Sturgeon • Silver barb • Androgenesis • Common carp

  19. Genetic manipulation • Selection Tilapia nilotica x T. variabilis  male X

  20. Operation • Betta splendens

More Related