Fowl typhoid which is caused by one of the two avian adopted strain of Salmonella bacteria, Salmonella Gallinarum. This can cause mortality in birds of any age. I have come across with cases involving broiler chicks, particularly during the first 7 days of inputs, broiler breeders and layers. First few days of input, direct culture from yolk sac, liver and heart blood on XLD (or Macconkey) agar wi ...