Effects of Different Levels of 17 - Methyltestosterone on Growth and Survival of Angelfish (Pterophyllum scalare Liechtenstein, 1923) Fry
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Dosyalar
Tarih
2006
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Journal of Animal and Veterinary Advances
Erişim Hakkı
Özet
Angelfish (Pterophyllum scalare) fry were immersed in water containing 17- Methyltestosterone (MT) at the doses of 10, 25, 50, 125, 250 µg L 1 water for 30 days. The effects of MT on growth and survival were investigated at an interval of 10 days. Survival of all MT treated groups was significantly lower than control at 20 and 30 th day of the experiment period (p<0.001). At the end of the experimental period, the mean length of fry which immersed in MT of 250 µg L 1water were significantly higher than the control (p<0.05). However, enhanced growth rate observed in the present study did not compensate the high mortality in practical usage. Anabolic effects of sex steroid on survival and growth of different fish species were also discussed.
Açıklama
Anahtar Kelimeler
Angelfish, Pterophyllum scalare, 17- Methyltestosterone, Growht, Survival, Anabolic effects
Kaynak
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Sayı
Künye
Karayücel, İ., Orhan, A.K., Karayücel, S., "Effects of Different Levels of 17 - Methyltestosterone on Growth and Survival of Angelfish (Pterophyllum scalare Liechtenstein, 1923) Fry". Journal of Animal and Veterinary Advances. 5 (3): 244-248, 2006.
