112
4/4/2003 - tiendiet2002 - Go cong: Ao nuoi duoc 45 ngay tuoi cac thong
so moi truong binh thuong, pH on dinh H2S,NH3 nam trong nguong cho phep. Tom lot
tap vao me vao buoi toi
va sang som, Oxy dao dong tu 5-9mg/l.Xin cho biet nguyen nhan va cach xu
li.
VLINH
Binh thuong tom khoe, moi truong tot nhu anh neu, se khong co hien tuong
nay. Rat co kha nang tom nhiem khuan - virus (vo mem, lot vo, tap me toi +
sang som). Bien phap dau tien: tang cuong chay quat (tang cuong oxy) vao cac
gio sap tap me, khong de moi truong bien dong. Theo doi dien bien kha nang
an, vo, xem tom trong vo, bat mot so con tap me di kiem tra; ket hop tron
them vao thuc an vitamine C va Betamine (co Beta glucal) de tang cuong suc
de khang. Chu y tach biet rieng ao can theo doi. Dinh ky su dung Virkon.
Trong vong 3-5 ngay so luong tap me giam la co chieu huong tot - neu so
luong tap me tang thi chieu huong rat xau, kho cuu chua.
www.vietlinh.com.vn