Fish aquaculture (1) Flashcards
Aquaculture
The farming of aquatic organisms including fish, mollusks, crustaceans and aquatic plants with some sort of intervention in the rearing process to enhance production
OR : The controlled raising of aquatic plants and animals in a confined environment
Fishbowl requires
Heater – Filter– Air pump – Substrate at ground
Large fish size requires … space
small area
What will happen if I overfeed the fish?
it will increase ammonia level which will decomposition the organic matter especially protein in aerobic condition which will decreasing O2 level and increasing ammonia causing fish death
Fish Breeding history in china
3500 BC
3000 to 5000 BC → carp culture practiced
Fish Breeding history in egypt
2500 BC
Stonework on an Egyptian tomb shows tilapia culture in ponds
China production
49.244 million to or 61.5 %
Growing Early of 1950s
< Million tons
Growing By 2016
80 Million tones
From Early of 1950s to 2016
Estimated annual growth rate …
> 10%
Fish production in world from Fishers
52%
Fish production in world from Aquaculture
48%
And By 2030 it’s supposed that aquaculture production will be …
more than fishers
Egypt ranking over world :
3rd
Nile tilapia production after China and Indonesia (After 2016)
Egypt ranking over world :
2nd
Nile tilapia production after China (before 2016)
Egypt ranking over world :
1st (Top producer)
Mullets
In North Africa and the near east , Egypt is …
by far the dominant producing country 99% of the total for the region
75 – 80% of Fish production from aquaculture is …
Nile tilapia
According to GAFRD statistics (2022) the total fish production In Egypt
Total → 2.2 million tons
Aquaculture → 1.8 million tons
total fish production In Egypt in 2010
925 thousand tones
total fish production In Egypt 2022
2.2 million tons
total fish production In Egypt 2030
> 3 million tons
Origin of Bolti
Africa (Native fish for Egypt)
What is the most suitable feedstuff for fish ?
Soya bean and corn
