Table 3.

Management practices adopted at various fish farms.

Farming practices	Response		Number of Farms (Specific farms in brackets)
Source of pond water	Borehole		2 (F and G)
	Tap water		2 (A and C)
	Streams		7 (B, C, D, E, G, H and I)
Use of antibiotics	None of the farms		0
Incidence of disease outbreak	None of the farms		0
Frequency of water change	Every 1–3 months and before restocking		3 (C, G and H)
	Varies from farm to farm based on stocking density, quality of water or type of fish feed applied		6 (A, B, D, E, F and I)
Farmers' reasons for changing pond water	Significant change in water quality and		9 (All farms)
	observation of lethargic movement of fish
Methods used for disposing waste water from pond	Waste channeled into nearby stream		8 (A, C, D, E, F, G, H and I)
	Waste channeled through drains into a temporary pond prior to use in irrigation		1 (B)
Culture type	Monoculture	Catfish	5 (A, B, F, G and H)
		Tilapia	2 (C and D)
	Polyculture	Catfish + Tilapia	2 (E and I)