What is Vaccine?
•A vaccine is a biological preparation that
improves immunity to a particular disease
•A vaccine typically contains an agent that
resembles a disease-causing
microorganism
General procedures
•Timing
•Doses and types
•Record all vaccination procedures
•Don’t vaccine during stress, disease, immuno
suppression, off-feeding etc.
Coccidiosis
•Protozoal disease of poultry with high
mortality
•Mostly affect birds of 3-6 weeks of age
•Broilers are more susceptible than layers
•Intestinal coccidiosis mostly occurs in
older birds
•Caused by 9 Eimeria spp
Coccidiosis Type Caused by
Intestinal E. necatrix, E. maxima, E. mivati, E.
acervulina
Caecal E. tenella and to some extent E.
necatrix
Rectal E. brunetti
Coccidiostates
•Used to prevent replication and growth of
coccidial population
•Prophylaxis is important that treatment
•Normally used in feed at preventive
doses