SCHEME OF WORK FOR:
(J.S.S. 2)
WEEK 1 Fishery: Definition of Fishery, Importance of fish farming
” 2 Classification of Fishes
” 3 Establishment of Fish Pond
” 4 Establishment of Fish Pond: (field excursion to a nearby fish pond)
” 5 Forest and Forest uses
” 6 Forest Resources and uses
” 7 Field Trip/ midterm exam
” 8 Effects of forest on the Environment
” 9 Effects of forest on the environment: (Human activities that affects the forest)
” 10 Revision
” 11&12 Examination
WEEK 1.
TOPIC: FISH FARMING
DEFINITION OF FISH FARMING: Fish farming (culture) is the acts of rearing selected species of fish under scientifically controlled conditions in enclosed bodies of water such as ponds, stream, rivers, etc., where they feed, grow, breed and are harvested for consumption or for sale.
Terms Associated with Fish Farming
Fingerlings- The newly hatched fish (es).
Fisheries- This is the study of fish and fishes.
Fish – This refers to a particular species, regardless of the number or quantity.
Fishes – This refers to the different species of fish.
Pond – This is artificial body water where fish (es) can be reared.
Gears – These are equipment used in harvesting fish.
Fry – This refers to young fish (es).
School – This is a group of fish (es).
Hatchery– This refers to a unit where fish eggs are incubated and hatched artificially into fish.
Aquarium- This is an artificial fish pond kept for aesthetic or entertainment purposes at home.
Aquaculture– This refers to the study and production of fish, shrimps and other acquatic food organisms.
Importance of Fish Farming
Fish farming is important for the following reasons:
(i) It provides fish which serves as a source of food, e.g., protein to man and livestock.
(ii) It provides a means of increasing the availability of protein to people at reduced cost.
(iii) It provides a means of recycling wastes, e.g., animal dungs from farms, factories and sewage disposal systems.
(iv) Fish can be processed into fish by-products such as fish meal, fish oil, manure and skin.
(v) It provides employment and income to many people.
(vi) A better use of land and water in our environment is also ensured through fish farming.
(vii) It can generate foreign exchange to a nation, especially when fish are exported to other countries.
(viii) Fish farming is also useful in the area of research work and other educational purposes.
EVALUATION
- What is fish farming?
- Mention three importance of fishery
ASSIGNMENT
- Mention any five types of fishes
- Read about classification of fishes