|Better Farming Series 35 - Better Freshwater Fish Farming: Further Improvement (FAO, 1986, 61 p.)|
|Ways to improve|
|Building even bigger ponds or more ponds|
|A nursery pond|
|Filling and emptying smaller ponds|
|Filling and emptying bigger ponds|
|Bringing water to your ponds|
|Raising the level of your water supply|
|Digging a supply ditch|
|Digging a return ditch|
|Controlling the water in your supply ditch|
|Filling your ponds|
|How to fill your ponds|
|Growing fish all year round|
|Growing only male fish|
|Harvesting your fish|
|Harvesting many fish|
|Harvesting fish when you have a monk|
|Your farm and your fish- ponds|
|Your fish- ponds and your health|
18. With bigger ponds or more ponds, you must be sure that you have a supply of baby fish all year round.
19. If you have two or three big ponds that together have an area of more than 500 square metres (one 10 x 10 metre pond + two 15 x 15 metre ponds = 550 square metres), you should have your own nursery pond.
20. If you do not already have a nursery pond, Booklet No. 30, Items 43 to 88, will tell you how to build one, how to care for the baby fish and what to do with them.
A nursery pond