Doğan ATAY, Süleyman BEKCAN, Murtaza ÖLMEZ, Hasan H. ATAR

Farklı Basınç Şoku Uygulamalarının Ginogenetik Gökkuşağı Alabalığının Oncorhynchus mykiss, Walbaum Erken Hayat Evrelerine Etkisi

Bu araşt ı rmada, ginogenetik gökkuşağı alabal ığı O. mykiss bireyleri elde etmek amac ı yla genetik olarak etkisiz hale getirilen inaktif spermalarla döllenen yumurtalara farkl ı bas ı nç şokları 7 7000, 8000, 9000 psi döllenmeden 300, 320, 330 dakika sonra 3 dakika süreyle uygulanm ışt ı r. Gözlekeli yumurta, keseli larva ve yem almaya ba şlam ış yavru aç ı s ı ndan en yüksek ba şarı oran ı sı ras ı yla %44.9, %36.1 ve %32.8 olarak döllenmeden 300 dakika sonra 7000 psi, en dü şük ise s ı ras ı yla %6.4, %1.8 ve %1.1 olarak döllenmeden 320 dakika sonra 9000 psi bas ı nç uygulanan grupta bulunmu ştur P

Anahtar Kelimeler:

Gökkuşağı alabalığı O. mykiss , ginogenezis, bas ı nç şoku, inaktif sperma, kuluçka

The Effect of Different Pressure Shocks on The Early Life Stages of Gynogenetic Rainbow Trout Oncorhynchus mykiss, Walbaum

In this research, different pressure shocks 7000, 8000 and 9000 psi applied 300,320 and 330 min after insemination for 3 min duration to eggs fertilized by genetically inactivated sperm to produce gynogenetic rainbow trout O. mykiss . The best result regarding eyed eggs, yolk-sac larvae, feed started fry were obtained at 300 min after insemination and 7000 psi pressure as 44.9%, 36.1% and 32.8%, respectively. In contrast, the lowest result were obtained at 320 min after insemination and 9000 psi pressure as 6.4%, 1.8% and 1.1%, respectively P

Keywords:

Rainbow trout O. mykiss , gynogenesis, pressure shocks, inactivated sperm, hatching,

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