Mahmut YANAR, Hüseyin Hilmi ÖTER, Ece EVLİYAOĞLU

Fenoksietanol ve Açlık Süresinin Japon Balığının (Carassius auratus) Taşınmasında Stok Miktarına Etkisi

Bu çalışmada fenoksietonolün juvenil Japon balığında (3.87 g ve 4.05cm) 30 dakika ve 15 saat süreli uygulamalarındaki optimal doz tespitedilmiştir. Ayrıca, japon balığının 1 4-1 su ve 3 4-1 oksijen basılmışnaylon torbalarda 15 saat taşınmasında, fenoksietanol ve açlıksüresinin balığın stok miktarına etkileri belirlenmiştir. Balıklarınanesteziye giriş süresi doza bağlı olarak 3 ile 11 dakika, aneztezidençıkış süresi ise 5 ile 15 dakika arasında gerçekleşmiştir.Fenoksietanolün balık üzerindeki anestezik etkisi 100 µL L-1 dozdanitibaren başlamıştır. Derin anestezi için fenoksietanolün optimaldozu, 30 dakika süre için 250 µL L-1, 15 saat süre için 200 µL L-1 olarakbulunmuştur. Balıkların naylon torbalarda taşınmasında 4 gün açbırakılması, 2 gün aç bırakılmasına göre daha yüksek bir stoklamayaolanak sağlamış (P0.05). Açlık süresi, anesteziuygulaması ve stoklama oranları arasında bir intereaksiyonbulunamamıştır (P>0.05). Fenoksietanol kullanmaksızın 4 gün açbırakılan japon balıklarının oksijen basılmış naylon torbalarda 40, 60ve 80 adet L-1 stoklama koşullarında sırasıyla, %100, 98.33 ve 91.87yaşama oranı tespit edilmiştir. Aç bırakılma süresi ve yaşamaoranları ele alındığında jüvenil japon balıkları için optimal stoklamaoranı litreye 60 adet balık uygun gözükmektedir.

The Effect of Phenoxyethanol and Starvation Period on Stocking Density in The Transporting of Goldfish (Carassius auratus)

In this study, the optimum dose of phenoxyethonol in juvenile goldfish (3.87 g and 4.05 cm) between 30 minutes and 15 hours application was determined. In addition, the effects of phenoxyethanol and starvation time were determined in the transport of goldfish in 1 4-1 water and 3 4-1 oxygen compressed nylon bags for 15 hours. The anesthesia entrance time of the fish was between 3 and 11 minutes depending on the dose and the exit time from the anesthesia was between 5 and 15 minutes. The anesthetic effect of phenoxyethanol on fish started from the dose of 100 µl L-1. Suitable doses of phenoxyethanol for deep anesthesia were 250 µL L-1 for 30 minutes and 200 µL L-1 for 15 hours. Starving the fish in nylon bags for 4 days provided a higher storage opportunity than fasting for 2 days (P 0.05). There was no interaction between starvation time, anesthetic administration and stocking rates (P> 0.05). Overall, 100%, 98.33% and 91.87% survival rates were determined in 40, 60 and 80 pcs L-1 stocking conditions of oxygen fished nylon bags, respectively, which were starved for 4 days without using phenoxyethanol. Considering the starvation period and survival rates, the optimal stocking rate for juvenile goldfish was 60 fish per liter.

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