چکیده مقاله
Rutilus frisii kutum Caspian Kutum is mentioned as one of the most valuable fish in Caspian Sea From March to May this species migrates to shallow river waters for spawning Overfishing, water pollution increasing and degradation of river beds are mentioned as threatened factors by the Iranian Fisheries Organization The aim of present study was to evaluate the effects of gonadotropin releasing hormone GnRH analogue Buserelin at different doses with Ovaprim on final oocyte maturation, ovulation and spawning in Caspian Kutum So 45 Adult females were selected randomly and injected once with Buserelin Acetate BUS and divided into 5 groups n=9 Group 1: BUS 5 μg kg 1 BW, Group 2: BUS 10 μg kg 1 BW, Group 3: BUS 20 μg kg 1 BW, Group 4: Ovaprim, 0 5 ml kg 1 BW positive Control , Group 5: Intact negative Control Our results showed that the highest mean value in ovulation success, ovulation index, fertilization success, relative fecundity and the number of eggs belonging to the Ovaprim treatment On the other hand, spawning was more successful in BUS 5 μg kg 1 67% treatment than the other doses Therefore, it could be concluded that BUS 5 μg kg 1 as an optimum dose induced ovulation and spawning in Kutum, so BUS 5 μg kg 1 as well as Ovaprim sGnRHa combined with domperidone is preferred for ovulation and spawning induction in this species
کلیدواژهها
نویسندگان
شیوه ارجاع
koohilai, Sara and oryan, shahrbanoo and Hosseinzadeh Sahafi, Homayoun,1394,Comparison effects of gonadotropin-releasing hormone analogue (Buserelin) administration at different doses with Ovaprim on ovulation and spawning induction in Rutilus frisii kutum,3th International Conference on Oceanographic Oceanography in the Persian Gulf,Tehran
ارائهشده در
مجموعه مقالات سومین کنفرانس بین المللی اقیانوس شناسی خلیج فارس8 اسفند 1394 · تهران