Determination of Rainbow Trout Oncorhynchus mykiss (Walbaum, 1792) Sperm Quality During Adaptation to the Short Term Preservation Conditions
Keywords:Rainbow trout, Sperm, Quality, Short term preservation, Adaptation
AbstractIn this study, it was aimed to examine the rainbow trout Oncorhynchus mykiss (Walbaum, 1792) sperm quality during adaptation to the short term preservation conditions and to evaluate the obtained analysis results. Within the scope of research, average sperm yield and range of sperm concentration of male broodstocks that had 921,50 ± 244,86 g average weight value and 41,79 ± 2,98 cm average length value were measured as 9,56 ± 5,30 ml and 0,27-4,57 × 109 spz.ml-1, respectively. It has been determined that spermatozoas which short term preserved without using any extenders or additives between 0-4Â°C in laboratory were included in the scope of minimum motility categories class. In order to reach high levels of sperm quality rates in rainbow trout sperm preservation studies according to the collected data and results; paying attention to breeding season, genetic factors and building of broodstock and sperm preservation units having good quality genetic characteristics of males and females by farm owners are expected to be beneficial for sustainability and efficiency of these types of studies.
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