What should be the dose of enzyme phytase in feed?
Phytase should be added in feed @ 200-500 phytase units/kg. But do not replace 100% of DCP in feed. You can reduce it to some extent. • Which component of feed interferes with folic acid? It is mainly phytic acid. DORB is very rich in phytates. • Why there is increase in diseases like Infectious Coryza, Fowl Cholera etc. after starting use of hot IBD vaccines? More and more use of hot IBD vaccines is causing severe immunosuppression of birds, making them sensitive to diseases like Infectious Coryza and Fowl Cholera. • Can IC (Killed) vaccine be used in the phase of IC outbreak? Yes, but with variable success rate. • Can respiratory sounds / noise be considered as CRD? No. These sounds may be indicative of ND also. • Can we administer IB vaccine to birds in laying stage? No, IB vaccination in laying birds may cause temporary or permanent drop in egg production. • How many times sera samples should be collected from broiler birds in their life cycle? In case of broilers, sera samples sho
