Comparative Studies on Clarias gariepinus Pituitary Extracts and Synthetic Hormone on Induced Spawning and Growth Performance of the African Catfish Clarias gariepinus Fry
JUNIPER PUBLISHERS - OPEN ACCESS JOURNAL OF DAIRY & VETERINARY SCIENCES Abstract Comparative Studies on Clarias gariepinus Pituitary Extracts and Synthetic Hormone on Induced Spawning and Growth Performance of the African Catfish Clarias gariepinus Fry was carried out at the hatchery unit of the Fisheries Department Farm of the Modibbo Adama University of Technology Yola, Adamawa State, Nigeria. Twelve Catfish brood stocks were used for the breeding. Two other catfish broods were sacrificed for the extraction of pituitary extract to induce the brood catfish. Ovaprim was also used as the synthetic induce hormone as control (TJ for male and female injected with 100%. The treatment includes the following; T 2 ,T 3 , T 4 and T 5 for each treatment two brood stocks a male and female is treated with same level of hormone T 2 (African catfish pituitary extract-ACPE, 100%), T 3 Combined inducers with (50% synthetic-50% ACPE), T 4 (25% ACPE and 75% ovaprim) and T 5 ...