Good Aquaculture Practices
Give TWO purposes of using drugs in aquaculture.
to control mortality associated with bacterial diseases or infestation density of parasites, sedate or anesthetize fish, induce spawning, change gender.
Give 2 water quality problems.
High turbidity, pesticide, high nutrient, high organic matter, acidic water, industrial pollusion.
Give THREE chemicals used for water treatment.
Lime CaCO3 (calcium carbonate) Hydrated lime Ca(OH)2 (calcium hydroxide) Fertilizers, zeolite, salt.