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Comparison of fertilisation, eyeing, hatching and survival rate of Abant trout Salmo trutta abanticus T, 1954 and rainbow trout eggs Oncorhynchus mykiss W, 1792 Abant Alabaligi Salmo trutta abanticus T, 1954 ile Gokkusagi Alabaligi Oncorhynchus mykiss W, 1792 yumurtalarinin dollenme, gozlenme, larva cikis ve yasama oranlarinin karsilastirilmasi






Su Urunleri Dergisi, 201-2: 95-101

Comparison of fertilisation, eyeing, hatching and survival rate of Abant trout Salmo trutta abanticus T, 1954 and rainbow trout eggs Oncorhynchus mykiss W, 1792 Abant Alabaligi Salmo trutta abanticus T, 1954 ile Gokkusagi Alabaligi Oncorhynchus mykiss W, 1792 yumurtalarinin dollenme, gozlenme, larva cikis ve yasama oranlarinin karsilastirilmasi

In this study, fertilisation, eyeing, hatching and survival rate of Abant and Rainbow Trout were compared with each other. Wild Abant Trout broodstocks obtained in Abant Lake and Cultured Rainbow Trout broodstocks obtained in Golkoy Fish Production Center were used. The diameter and wet weight of Abant and Rainbow Trout eggs has been found as 5.01 plus or minus 0.16 mm, 80.13 plus or minus 0.78 mg and 5.06 plus or minus 0.18 mm, 81.22 plus or minus 0.86 mg in trial 1, 5.20 plus or minus 0.19 mm, 84.80 plus or minus 1.42 mg, 5.10 plus or minus 0.29 mm and 110.13 plus or minus 0.17 mg in trial II respectively. In both trial I and I1, and 46.5% of the fertilised eggs of Abant Trout was hatched after 52 days (439 day-degree) and 47 days (442 day-degree) and 76.0; 72.0% of the fertilised eggs of Rainbow Trout was hatched after 31 days (295 day-degree) and 30 days (292 day-degree) respectively. In conclusion, while the hatching rate of fertilised eggs of Abant Trout in trial I was higher than Rainbow Trout in trial I and 11, the hatching rate of fertilised eggs of Abant Trout in trial II was the lowest but eyeing, hatching and survival period of fertilised eggs of Abant Trout was longer than Rainbow Trout as expected.


Accession: 038088817



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