220 The Hen at Work 



Chicks rather like salt, but more than a mild flavor 

 of it is harmful. One-twentieth of an ounce of salt 

 will kill a month-old chick. 



The best remedy for such poisons is milk — ^lots of 

 it. Milk counteracts the poison. Mild cases get 

 well right away with proper treatment. 



Roup and Catarrh. — Some confusion exists re- 

 garding diseases which attack the head and 

 respiratory system of fowls. Roup is the name 

 usually given for any serious cold, or catarrhal 

 disturbance. This is true not only of amateurs, 

 but also among experts. Bad colds, catarrh, 

 diphtheria, canker, pip, and thrush, are often 

 conditions and effects of the same disease, and, if 

 severe, are usually called roup. \The germ causing 

 this condition has not yet been discovered, but its 

 contagious nature is well understood. The infec- 

 tion may be carried by birds, by new fowls, by 

 people, and by tools, which have been near ailing 

 poultry. 



Colds are not uncommon, especially after sudden 

 shifts in weather, or when quarters are changed. 

 It is thought possible that a cold may develop 

 into catarrh, and then into roup, or diphtheria, 

 without additional infection, if the fowl is not in 



