Genetic, endocrine, and environmental components of sex determination and differentiation in the European sea bass (Dicentrarchus labrax L.)
✍ Scribed by Francesc Piferrer; Mercedes Blázquez; Laia Navarro; Alicia González
- Book ID
- 113957551
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 386 KB
- Volume
- 142
- Category
- Article
- ISSN
- 0016-6480
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Under culture conditions, sex ratios in the European sea bass (Dicentrarchus labrax L.) are consistently skewed in favor of males. Moreover, no heteromorphic sex chromosomes have been shown for this species. This bias towards males could be due to a possible effect of environmental factors on sex di
## Abstract The effect of temperature on sex‐ratios in 27 families of sea bass reared in the same tank from the fertilization stage onward was investigated. An excess of males (68%) was found in the groups that were reared at high temperature (mean�±�standard deviation: 20�±�1°C) until they reached