Quantitative genetic determinism of sex-ratio in the European sea bass (Dicentrarchus labrax L.)
โ Scribed by M. Vandeputte; M. Dupont-Nivet; O. Merdy; P. Haffray; H. Chavanne; B. Chatain
- Book ID
- 116248407
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 62 KB
- Volume
- 272
- Category
- Article
- ISSN
- 0044-8486
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## Abstract The effect of temperature on sexโratios 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๏ฟฝยฑ๏ฟฝstandard deviation: 20๏ฟฝยฑ๏ฟฝ1ยฐC) until they reached
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