How to prevent grasserie in silkworm ?
1. Disinfect silkworm raring house, its surrounding and appliances before brushing 2. Conduct additional disinfection with 0.3% slaked lime solution 3. Rear chawki silkworm as well as later instar silkworm under strict hygienic condition. 4. Avoid high ( 28-35C), low rearing temperature ( 10-20 C) and rearing humidity ( <70%). 5. Dust slaked lime uniformly when larvae settle for moult @ 3 g/sq.f for 1st and 2nd moult and 5g/sq.ft for 3rd and 4th moult. 6. Dust bed disinfectant like Vetcare Vijetha every time the larvae comes out of moult and on the 4th day of final instar as per the quantity cited above 7.
