Early emergence technology of Ooni fish (Tilapia)

20029 was approved by the Guangdong Provincial Aquatic Products Variety Approval Committee as a provincial ( Maoming1. Adhere to the long-term intensive cultivation of broodstock to promote the broodstock to reach sexual maturity early. According to the habit of free pairing and spawning of Ooni fish, we changed the past habit of selecting fish to pair before spawning, and ( that is, 11 month 15 to 18 degrees Celsius, and the water temperature increases by 3-5 degrees Celsius. Through the above five measures, the parent gonads of Ooni fish are still in good development status in winter. After winter, ovulation and breeding begin with the arrival of spring. By 3 month 13 day, the Ooni fish fry have been bred