The correct option is A Pullorum
Poultry refers to the class of domesticated birds reared for food (meat) or for their eggs. These birds suffer from innumerable diseases.
Some of the diseases are given below.
Pullorum disease is an infectious poultry disease caused by the bacterium Salmonella pullorum.
The symptoms include anorexia, diarrhoea, dehydration and weakness.
Newcastle disease/Ranikhet disease affects the poultry in which the birds suffer from acute respiratory infection, and birds go into gasping, coughing, sneezing and watery faecal discharge i.e., diarrhoea. This is a highly contagious disease and is caused by a virus.
Coccidiosis is caused due to a protozoan parasite. Reduced food intake, bloody diarrhoea and loss of weight are some of the symptoms associated with the disease.
Bird flu in poultry is a viral disease caused by the H5N1 virus. It is a highly infectious, severe respiratory disease in birds. Infected birds suffer from heads that continue to swell, a blue colouration of the comb and wattles, dullness, lack of appetite, respiratory distress, diarrhoea and significant drop in egg production.