The quantity of water available will amongst other factors determine the size and number of fish ponds. Seasonal rivers and streams are not recommended as direct source of water for fish ponds
Kuchuluka kwa madzi omwe alipo kuthandizira kudziwa kukula kwa zitsime komanso chiwerengero cha zitsime za nsomba. Mitsinje yoyendera nyengo siyovomerezeka ngati kochokera madzi a zitsime za nsomba kodalirika