Cá chốt bông (Pseudomystus siamensis Regan, 1913) là loài cá bản địa có giá trị kinh tế ở các tỉnh phía Nam của Việt Nam. Cá chốt bông đang được khai thác để làm thực phẩm và chơi cảnh. | Kích thích sinh sản nhân tạo cá chốt bông Pseudomystus siamensis Regan 1913 .den color inherit .ttnd ol .ttnd ul .ttnd dl padding 0 0px 0 20px .ttnd hr margin 10px 0px .ttnd a href javascript void 0 .ttnd a href color inherit dtextscript p text-align left dtextscript img vertical-align middle Trường Đại học Nông Lâm TP. Hồ Chí Minh 49 lt br gt lt br gt lt br gt lt br gt lt br gt Induced spawning of Asian bumblebee catfish Pseudomystus siamensis Regan 1913 lt br gt lt br gt lt br gt Binh T. T. Vo Chau M. Pham Truc T. T. Nguyen lt br gt Tuan V. Vo amp Tu V. Nguyen lt br gt Faculty of Fisheries Nong Lam University Ho Chi Minh City Vietnam lt br gt lt br gt lt br gt lt br gt ARTICLE INFO lt br gt ABSTRACT lt br gt Research Paper lt br gt Asian bumblebee catfish Pseudomystus siamensis Regan 1913 lt br gt is an indigenous and economically valuable species in southern lt br gt Received May 07 2019 lt br gt provinces of Vietnam. It is being exploited for food and orna- lt br gt Revised September 08 2019 mentation. This study used fish pituitary gland FPG human lt br gt Accepted December 24 2019 chorionic gonadotropin HCG and luteinizing hormone releasing lt br gt hormone analogue LHRHa to induce spawning of the fish. The lt br gt Keywords three spawning inducers affected on final oocyte maturation FOM lt br gt and ovulation FOMO of females. The optimal revolving dose to lt br gt Asian bumblebee catfish induce FOM and FOMO was 10 mg kg for FPG UI kg for lt br gt Induced spawning HCG and 120 µg kg of female for LHRHa. The suitable periods lt br gt Spawning inducers of egg stripping and artificial insemination were from 9 - 11 h lt br gt Spawning response post resolving injection hpri . Maximum spawning response was lt br gt obtained with the optimal revolving dose of LHRHa 120 µg kg . At lt br gt lt br gt Corresponding author the suitable stripping period 10 hpri the rates of spawning egg fer- lt br gt tilization egg hatching larval survival and relative fecundity .
