Contents



Introduction .... .. ..... ........ 1
Fingerling Production. .. .................................. 1
 Brood Stock Management. ....... ...................................... 1
 Selection of Brood Stock. ..................................... 1
 Determining Sex .......... ................................... .... 2
 N nutrition ................................ ........ 3
 Stocking ........................ ......... 3

 Spawning Management ............................................... 3
 Use of Spawning Shelters. ....... ................................... 3
 Spawning Methods ............................................ ......... 4

 The Hatchery ................................................... ......... 5
 Trough Construction ............... ................................... 5
 Water Quality............ ....................................... ....... 6
 Disease Control....................................................... 6

 Fry Management ........................................................ 6
 Handling Fry ............... ............................................. 6
 Counting Fry ............................................................ 7
 Feeding Fry ............................................................ 7

 Raising Fingerlings ........... ........................................ 8
 Pond Preparation and Pest Control ............ .......................... 8
 Stocking Fry ..... .................................................. 8
 Feeding Fingerlings. ............... ..................... 9
 Harvesting ................................ ............................ 9
 G reading .................................. .................. ........ 10
 Counting ............ ....... ................... ............... .........10
 Transporting Fingerlings .......... .................................11
Raising Food Fish. ... ............... ...........................11
 Rearing Facilities ...................................... ................11
 Pond Construction. ...................................... 11
 Alternative Facilities ................ ................... ................... ..12

 Water Quality ............ ........ ................... ............... .........13

 Stocking .................. .. ............ ....................... .........14
 Acclimating Fingerlings ................................... .................. 14

 Feeding .................................................................. 14
 Disease and Pest Control ..................................... ................. 15
 Diseases and Parasites ................................... .................. 15
 Weed Control ......... ....................................................15
 Other Pests ............. ................... ................. ......... 16

 Harvesting and Processing ............. ................... ................. 16