Heterozygosity and developmental stability in gynogenetic diploid and triploid rainbow trout

Growth performance comparison of intercross-triploid, induced triploid, and diploid rainbow trout

Effect of thermal stress on some hematological parameters of diploid and triploid Rainbow trout (Oncorhynchus mykiss)

Temperature fluctuation is one of the most common stressors during fish transportation and aquaculture condition. Triploid rainbow trout (Oncorhynchus mykiss) get more attention because of its sterility. In this study, 24 rainbow trout belong to diploid and triploid group, average weight 13±0.23 g were subjected to temperature change from 13 to 20 ºC, and kept under tension for 10 min. Before a...

Comparison of reproductive development in triploid and diploid female rainbow trout Oncorhynchus mykiss.

The diploid rainbow trout Oncorhynchus mykiss reached sexual maturity 3 years after hatching and its oogenesis underwent four stages, which were oogonia, primary oocyte, secondary oocyte and egg. Reproductive development and hormone changes of 4 to 35 month-old female O. mykiss were investigated using histological and radioimmunoassay methods in order to provide a theoretical and practical basi...

Acute stress response in triploid rainbow trout

The purpose of this study was to determine whether triploid salmonid fishes differ from diploids in their hematological and physiological responses to an acute handling and confinement stress, induced by netting fish from their tanks and placing them in a bucket. Blood samples were Ž . collected from fish prior to the handling stress and at either 30 min rainbow trout or 20 and 40 Ž . min brook...

Heterozygosity and Oxygen-Consumption Rate as Predictors of Growth and Developmental Rate in Rainbow-Trout