Farvet’s first product, launched more than 30 years ago, was a vaccine against Salmonella gallinarum, the causative agent of fowl typhoid, a severe systemic disease of chickens that results in ...
3. Fowl Typhoid The disease is caused by a microorganism called salmonella gallinarum or shigella gallinarum. Symptoms include dullness, ruffled feathers, paleness of the head drooping comb ...