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The effects of 17α-methyltestosterone on chemical composition, fillet efficiency, visceral fat and hepatosomatic index of rainbow trout, Oncorhynchus mykiss

Year 2006, Volume: 23 Issue: 2, 233 - 236, 01.06.2006

Abstract

The 17α-Methyltestosterone treats carried out in two periods. The Rainbow trout fingerlings (6.43±0.31 g.) were fed 2.5 and 5 mg/kg MT in first period, lasted 92 days. 2.5 mg/kg MT in second period lasted 96 days. Generally in the this study, 17α-MT was treated 2.5 mgMT/kg-diet, throughout 92 days, and 188 days and 5 mgMT/kg-diet, throughout 92 days to rainbow trout. The group of 2.5 mgMT/kg-diet was separate two groups and then one of them was fed with 2.5 mgMT/kg-diet go on in the second period, lasted 96 days. Other group was fed with control food. Normal feed without MT was given to the control fishes. As a consequence of the analysis, it was found out that MT does not cause a change in the crude protein and crude ash (p>0.05), however it increased the values of the crude fat and decreased the value of moisture (p<0.05) of fish-meat. It not effected the fillet efficiency (p>0.05), however it effected percent of internal organ and visceral fat content and HSI (p<0.05). In the fish, treated 2.5 mg MT/kg-diet, throughout 188 days, visceral fat and percent of internal organ were decreased.  

References

  • Akkılıç, M. ve Sürmen S. 1979. Yem maddeleri ve hayvan besleme laboratuarı el kitabı. AÜ, Veteriner Fakültesi, yayın no.357, Ankara.
  • Alsted, N.S. 1991. Studies on the reduction of discharges from fish farms by modification of the diet. In: Cowey, C.B., Cho, C. Y. (Eds.), Nutritional strategies and aquaculture waste. Univ. Guelph, Ontario, Canada, 77-89.
  • α-Methyltestosterone on Body
  • Composition of Eels (Anguilla anguilla L.) Aquaculture 50, 23-30.
  • Degani G. 1986. Effect of combined Dietary 17 Beta-Estradiol and 17 alfa- Methyltestosterone on Growth and Body Composition of European Eels (Anguilla anguilla). Aquaculture 59, 169-175.
  • Gannam, A. L. and Lovell, R. T. 1991. Growth and Bone Development in Channel Catfish Fed 17α-methyltestosterone in Production Ponds. Journal of the world Aquaculture soc vol 22 no: 2, 95-100pp.
  • Göğüş, A., Kolsarıcı, N. 1992. Su Ürünleri Teknolojisi. A.Ü. Ziraat Fakültesi Yayınları:1243 Ders Kitabı:358.
  • Hepher, B. 1990. Nutrition of Pond Fishes. Cambridge University Press Cambridge New York, 386p.
  • Ingram, M. 1988. Farming Rainbow trout in Fresh Water Tanks and Ponds.; In Lindsay Laird and Ted Needham (Editors). Salmon and Trout Farming. Ellis Horwood Limited, England. 155-189.
  • Laird, L. and M., Needham, T. 1988. Salmon and Trout Farming. Ellis Horwood Ltd. England.
  • Mayer, I., and McLean, E. 1995. Biotechnological and bioengineering strategies for reduced waste aquaculture. Water sci. Techno. 31, 85-102.
  • Matty, A. J. 1985, Fish Endocrinology. Timber Press Ltd. Portland, USA.
  • Miwa, S. and Inui, Y. 1986. Inhibitory effects of 17α-Methyltestosterone and 17β-estradiol on smoltification of sterilized Amago salmon (Oncorhynchus rhodurus), Aquaculture, 53, 21-39.
  • Ostrowski, A.C. and Garling, D.L. 1988, Influences of Anabolic Hormone Treatment and Dietary Protein; Energy Ratio on Condition and Muscle Deposition of Rainbow Trout. The Progressive Fish-Culturist, 50, 136- 140.
  • Piferrer, F., Carrillo, M. And Zanuy, S. 1986. Effects of Injections of 17 α Methyltestosterone on the External Features and Growth of Juvenile Sea Bass (Dicentrarchus labrax L.). Inv. Pesq. 50 (2), 213-225.
  • Regost C., Arzel, J., Cardinal M., Laroche M., Kaushik S.J. 2001. Fat deposition and flesh quality in sea water reared, triploid brawn trout Salmo trutta as effected by dietary fat levels and starvation. Aquaculture, 193, 325-345
  • Santandreu, I. A. and Diaz, N. 1994. Effect of 17α-Methyltestosterone on Growth and Nitrogen Excretion in Masu salmon (Oncorhynchus masou) Brevoort. Aquaculture, 124, 321-333.
  • Shelbourn, J. E., W. Craig Clarke, J. R. McBride, U.H.M. Fagerlund & E.M. Donaldson. 1992. The use of 17 alpha-methyltestosterone and 3,5,3’- triiodo-L-thyronine for sterilizing and accelerating the growth of zero-age Coho salmon smolts (Oncorhynchus kisutch). Aquaculture 103, 85-99.
  • Vandenberg, G.W., and Moccia, R.D. 1998. Growth Performance and Carcass Composition of Rainbow trout, Oncorhynchus mykiss (Walbaum), Fed the Beta-Agonist Ractopamine. Aquac.Res. 29, 469- 479.
  • Varlık, C. 2004. Su Ürünleri İşleme Teknolojisi. İstanbul Üni. Su Ürünleri Fakültesi Yayınları. İstanbul.
  • Woo, N.Y. S., Chung, A. S. B. and Ng, T. B. 1993. Influence of oral administration of estradiol-17 beta and testosterone on growth, digestion, food conversion and metabolism in the under yearling red sea bream, (Chrysophrys major), Fish Physiol. Biochem. vol. 10, no:5, 377-387.
  • Yıldız, N. ve Bircan, H. 1991, Araştırma ve Deneme Metodları. AÜ. Ziraat Fakültesi Ders Kitabı AÜ. Ziraat Fakültesi Ofset Tesisleri. Erzurum.
  • Yu, T. C., Sınnhuber, R.O. and Hendricks, J. D. 1979, Effect of steroid hormones on the growth of juvenile Coho salmon (Oncorhynchus kisutch) Aquaculture, 16, 351-359.

17α-Metiltestosteron’un Gökkuşağı Alabalığının (Oncorhynchus mykiss, W., 1792) Kimyasal kompozisyonu, Fileto Verimi, Viseral Yağ ve Hepatosomatik İndeks Üzerine Etkisi

Year 2006, Volume: 23 Issue: 2, 233 - 236, 01.06.2006

Abstract

İki periyotta gerçekleştirilen bu araştırmanın birinci periyodunda, gökkuşağı alabalığı yavrularına (6,43±0,31 g) 92 gün süreyle 2,5 ve 5 mg/kg-yem oranında 17α-Metiltestosteron (MT) verilmiştir. İkinci periyotta ise 2,5 mg/kg-yem oranında MT verilen grup iki ayrı gruba ayrılarak bu gruplardan birisine 96 gün süreyle daha MT verilmeye devam edilmiş, diğerine ise normal yem verilmiştir. Genel olarak çalışmada; 2,5 mg/kg-yem MT 92 gün ve 188 gün; 5 mg/kg-yem MT ise 92 gün süreyle gökkuşağı alabalığına uygulanmış ve çalışma konusu parametreler üzerine etkileri araştırılmıştır. Kontrol grubu balıklar çalışma süresince MT içermeyen % 42 ham proteinli büyütme yemi ile beslenmişlerdir. Araştırma neticesinde; MT balık etinde, Ham Protein (HP) ve Ham Kül (HK) oranını değiştirmemiş (p>0,05), nem oranını azaltmış, Ham Yağ (HY) oranını ise arttırmıştır (p0,05), iç organ ve iç organlar arası yağ yüzdesini ve Hepatosomatik index (HSI) oranını etkilediği bulunmuştur (p<0,05). Sürekli 2,5 mg/kg-yem MT uygulaması iç organlar arası yağı azaltmış, dolayısıyla iç organ yüzdesini düşürmüştür. 

References

  • Akkılıç, M. ve Sürmen S. 1979. Yem maddeleri ve hayvan besleme laboratuarı el kitabı. AÜ, Veteriner Fakültesi, yayın no.357, Ankara.
  • Alsted, N.S. 1991. Studies on the reduction of discharges from fish farms by modification of the diet. In: Cowey, C.B., Cho, C. Y. (Eds.), Nutritional strategies and aquaculture waste. Univ. Guelph, Ontario, Canada, 77-89.
  • α-Methyltestosterone on Body
  • Composition of Eels (Anguilla anguilla L.) Aquaculture 50, 23-30.
  • Degani G. 1986. Effect of combined Dietary 17 Beta-Estradiol and 17 alfa- Methyltestosterone on Growth and Body Composition of European Eels (Anguilla anguilla). Aquaculture 59, 169-175.
  • Gannam, A. L. and Lovell, R. T. 1991. Growth and Bone Development in Channel Catfish Fed 17α-methyltestosterone in Production Ponds. Journal of the world Aquaculture soc vol 22 no: 2, 95-100pp.
  • Göğüş, A., Kolsarıcı, N. 1992. Su Ürünleri Teknolojisi. A.Ü. Ziraat Fakültesi Yayınları:1243 Ders Kitabı:358.
  • Hepher, B. 1990. Nutrition of Pond Fishes. Cambridge University Press Cambridge New York, 386p.
  • Ingram, M. 1988. Farming Rainbow trout in Fresh Water Tanks and Ponds.; In Lindsay Laird and Ted Needham (Editors). Salmon and Trout Farming. Ellis Horwood Limited, England. 155-189.
  • Laird, L. and M., Needham, T. 1988. Salmon and Trout Farming. Ellis Horwood Ltd. England.
  • Mayer, I., and McLean, E. 1995. Biotechnological and bioengineering strategies for reduced waste aquaculture. Water sci. Techno. 31, 85-102.
  • Matty, A. J. 1985, Fish Endocrinology. Timber Press Ltd. Portland, USA.
  • Miwa, S. and Inui, Y. 1986. Inhibitory effects of 17α-Methyltestosterone and 17β-estradiol on smoltification of sterilized Amago salmon (Oncorhynchus rhodurus), Aquaculture, 53, 21-39.
  • Ostrowski, A.C. and Garling, D.L. 1988, Influences of Anabolic Hormone Treatment and Dietary Protein; Energy Ratio on Condition and Muscle Deposition of Rainbow Trout. The Progressive Fish-Culturist, 50, 136- 140.
  • Piferrer, F., Carrillo, M. And Zanuy, S. 1986. Effects of Injections of 17 α Methyltestosterone on the External Features and Growth of Juvenile Sea Bass (Dicentrarchus labrax L.). Inv. Pesq. 50 (2), 213-225.
  • Regost C., Arzel, J., Cardinal M., Laroche M., Kaushik S.J. 2001. Fat deposition and flesh quality in sea water reared, triploid brawn trout Salmo trutta as effected by dietary fat levels and starvation. Aquaculture, 193, 325-345
  • Santandreu, I. A. and Diaz, N. 1994. Effect of 17α-Methyltestosterone on Growth and Nitrogen Excretion in Masu salmon (Oncorhynchus masou) Brevoort. Aquaculture, 124, 321-333.
  • Shelbourn, J. E., W. Craig Clarke, J. R. McBride, U.H.M. Fagerlund & E.M. Donaldson. 1992. The use of 17 alpha-methyltestosterone and 3,5,3’- triiodo-L-thyronine for sterilizing and accelerating the growth of zero-age Coho salmon smolts (Oncorhynchus kisutch). Aquaculture 103, 85-99.
  • Vandenberg, G.W., and Moccia, R.D. 1998. Growth Performance and Carcass Composition of Rainbow trout, Oncorhynchus mykiss (Walbaum), Fed the Beta-Agonist Ractopamine. Aquac.Res. 29, 469- 479.
  • Varlık, C. 2004. Su Ürünleri İşleme Teknolojisi. İstanbul Üni. Su Ürünleri Fakültesi Yayınları. İstanbul.
  • Woo, N.Y. S., Chung, A. S. B. and Ng, T. B. 1993. Influence of oral administration of estradiol-17 beta and testosterone on growth, digestion, food conversion and metabolism in the under yearling red sea bream, (Chrysophrys major), Fish Physiol. Biochem. vol. 10, no:5, 377-387.
  • Yıldız, N. ve Bircan, H. 1991, Araştırma ve Deneme Metodları. AÜ. Ziraat Fakültesi Ders Kitabı AÜ. Ziraat Fakültesi Ofset Tesisleri. Erzurum.
  • Yu, T. C., Sınnhuber, R.O. and Hendricks, J. D. 1979, Effect of steroid hormones on the growth of juvenile Coho salmon (Oncorhynchus kisutch) Aquaculture, 16, 351-359.
There are 23 citations in total.

Details

Primary Language Turkish
Journal Section Articles
Authors

Şenol Güzel

Kenan Güllü

Publication Date June 1, 2006
Submission Date December 7, 2015
Published in Issue Year 2006Volume: 23 Issue: 2

Cite

APA Güzel, Ş. ., & Güllü, K. . (2006). 17α-Metiltestosteron’un Gökkuşağı Alabalığının (Oncorhynchus mykiss, W., 1792) Kimyasal kompozisyonu, Fileto Verimi, Viseral Yağ ve Hepatosomatik İndeks Üzerine Etkisi. Ege Journal of Fisheries and Aquatic Sciences, 23(2), 233-236.