160 



PRACTICAL POULTRY PRODUCTION 



flock by adding to the drinking water an antiseptic that has 

 the power to kill such germs as may be present. 



In such instances it is well to give the flock an antisep- 

 tic, such as potassium permanganate in the drinking water, 

 as described under roup, and to spray and clean the house 

 and buildings thoroughly with a 5% solution of crude 

 carbolic acid or some coal-tar product in water. Usually 

 the fowl that is not well can be told by the fact that it is 



f^% 



Figure 161. — Doctoring a sick hen. 



not as active as the others, stands around in an out-of- 

 the-way place, and shows little disposition to eat. Such a 

 fowl should be immediately removed from the flock and, if 

 seriously sick, should be killed and the carcass burned or 

 deeply buried. 



COMMON DISEASES, SYMPTOMS AND TREATMENT 

 Roup. Roup is a highly contagious disease, spreading 

 from one bird to another rapidly. The disease is quite com- 

 mon in the fall, especially in poorly ventilated damp houses. 

 Late-hatched and poorly developed stock is usually very 



