Finfish Breeding and Hatchery Management

Unit 10 - Breeding of catfishes

10.1.3. Induced spawning

• Various hormones have been found to induce spawning in this species.
• Selection of hormone and proper dosage are essential for successful breeding.
• Intramuscular injection is common.

The hormones and their doses are as follows

Hormone	Dosage
	Female	Male
Pituitary	20-30 mg/kg	1/3 dose
HCG	4,000 IU/kg	1/3 dose
Ovaprim	0.5 – 0.6 ml/kg	0.25 ml
Ovatide	0.6 – 0.7 ml/kg	0.30 ml
WOVA-FH	0.6 – 0.9 ml/kg	0.2-0.4 ml