Water quality refers to the chemical, physical, biological, and radiological characteristics of water. It is a measure
of the condition of water relative to the requirements of
one or more biotic species and or to any human need or
i)Temperature is thermometer
ii)Dissolved oxygen is dissolved oxygen sensor
iii)PH level is PH meter,
iv)Ammonia is litmus paper
v)Water turbidity is nephelometer or turbidimeter
i)It yield high harvest
ii)It increases farmers income
i)High capital is required
ii)High technical know how is required
stocking- is the practice of raising fish in a hatchery and releasing them into a river, lake, or the ocean to supplement existing populations, or to create a population where none exists.
Stocking- density is the quantity of fry or fingerlings per unit of water area.
i)Fertilization of the pond/addition of manure.
ii)Maintaining water level.
iii)Repair of pond and the fence.
iv)Cropping /selective removal of excess fish.
i)Anorexia (loss of appetite, refusing all food, with consequential wasting)
iv)Resting on the bottom
Area= length x breadth
Area= 30 x 20
Area = 600m²
KEEP REFRESH THIS PAGE EVERY 3MINS