Advanced Freshwater Aquaculture Training Course

Tag: advanced freshwater aquaculture training course

fish selective breeding method

13 July 2008, No Comments

july 7
individual/mass selection
at least 50 mating pairs in a same spawning time, growing up in a same pond and select the 50 best pairs for next generation spawning
family selection
at least 50 mating pairs in a same spawning time, growing up each family separately and select the 10 best families for next generation spawning
within [...]

selective breeding in practice

13 July 2008, No Comments

july 07
in aquaculture, selection is not commonly used propably because of poor extension of knowledge from researchers to farmer. However, selection is the efficient method in animal breeding programs because it can lead to the long term goals of genetic improvement.
the objective of selection is to change the average performance of a population for the [...]

Seabass Culture in Bang Pakhong River

5 July 2008, No Comments

June 21
Owner: Mr. Rungsan (71 years old)
Experience culture: 30 years
System: cage culture
Cage size: 4×2.5×2 m
Number of cage: 40 cages
Stocking density: 1.500 – 2.000 fish/cage
Stocking size: 3 inches
Rearing time: 8 months
Grading interval: 2 months
Harvest biomass: 700 kg/cage
Harvest size: 500 – 600 grams/fish
Seed price: 3 – 4 bath/fish
Harvest price: 115 bath/kg
Source:
Mr. Rungsan
Ms. Suree
Mr. Jarun (Coastal Research and [...]