Genetic and thermal effects on the latitudinal variation in the timing of fin development of a fish Oryzias latipes
β Scribed by Maiko Kawajiri; Shingo Fujimoto; Kazunori Yamahira
- Book ID
- 108197091
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 674 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0306-4565
No coin nor oath required. For personal study only.
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## Abstract Intact females of __Oryzias latipes__ exposed to 14 hours of light per day for 40 days continued to lay eggs for as long as 35 days. Under a similar photoperiod, pinealectomy shortened the period of oviposition to four days and enucleation to seven days. Moreover, the mean gonosomatic i
## Abstract To examine the biological significance of thyroid hormones contained in eggs, the hormones were depleted from eggs by treating the mother fish with thiourea. Constantly spawning medaka (__Oryzias latipes__) were reared in fresh water containing 0.03% thiourea. The plasma thyroxine (T4)