Effects of temperature and salinity on oxygen consumption of tawny puffer Takifugu flavidus juvenile
2011
Shi, Yonghai | Zhang, Genyu | Liu, Jianzhong | Zang, Weiling
The respiratory rates of Tawny puffer Takifugu flavidus juvenile were measured at four temperatures (20, 23, 26 and 29 °C) and seven salinities (5, 10, 15, 20, 25, 30 and 35 g L⁻¹). The results showed that both temperature and salinity significantly affected the oxygen consumption of tawny puffer juvenile. The oxygen consumption rate (OCR) increased significantly with an increase in the temperature from 20 to 29 °C. Over the entire experimental temperature range (20-29 °C), the Q₁₀ value was 1.59, and the lowest Q₁₀ value was found between 23 and 26 °C. The optimal temperature for the juvenile lies between 23 °C and 26 °C. The OCR at 25 g L⁻¹ was the highest among all salinity treatments. The OCRs show a parabolic relationship with salinity (5-35 g L⁻¹). From the quadratic relationship, the highest OCR was predicted to occur at 23.56 g L⁻¹. The optimal salinity range for the juvenile is from 23 to 25 g L⁻¹. The results of this study are useful towards facilitating an increase in the production of the species juvenile culture.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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