This PSEB 9th Class Agriculture Notes Chapter 10 Fishery will help you in revision during exams.
PSEB 9th Class Agriculture Notes Chapter 10 Fishery
→ Fish farming or fishery is a subsidiary occupation and is more profitable than agriculture.
→ Indian breeds of fish are Catla, Rohu, Mrigal.
→ Exotic carps – Common carp, silver carp, Grass carp.
→ The fish pond should be made in clayey land.
→ Pond size should be 1-5 acres and it should be 6-7 feet deep.
→ Keep water level in pond upto 5-6 feet.
→ The pH of the water should be 7-9. If it is less than 7 use lime water.
→ Put seed fish of 1-2 inch size at the rate of 4000 per acre.
→ Seed fish can be put in the following ratio:
- Katla 20%, Common carp 20%, Mrigal 10%, Rohu 30%, Silver carp 10%, and Grass carp 10%.
- Katla 25%, Mrigal 20%, Rohu 35%, Common carp 20%.
→ There should be 25% protein in fish feed.
→ 500-gram fish is ready for marketing.
→ One should get training before starting the occupation of the fishery.