General Feature of salmonella gallinerum
It s member of the family of Enterobacteriace which highly adaptive to host. Generally normal inhabitant of small intestine in chicks.
The bacteria are slender rods measuring approximately .9-1.0 pm-2.5 µm in length and .28-0.3 pm-1.5 µm in width.
All ages are Susceptible to salmonella gallinerum in poultry. there are confusion about age of susceptibility in different literature & writer also. some author suggested that fowl typhoid only disease of adult birds specially laying hen.
But its occurred at any ages at field condition. horizontal transform to parents to chicks from infected parents stock. Others possible way to transmit to chicks by contaminated eggs.
there are two main site of infection at early ages in fowl typhoid.So check the two site such liver & spleen for diagnosing fowl typhoid in chicks.