CHAPTER 2. 



Diseases of the Respiratory Organs. 



Simple Catarrh or Cold — Roup and Diphtheria— Laryn- 

 gitis— Bronchitis — Congestion and Inflammation of the 

 Lungs or Pneumonia — Gapes — Food Lodged in the 

 Trachea or Windpipe — Air Sack Mites or Pneumo- 

 mycoses. 



SIMPLE CATARRH OR COLD. 



THIS is a non-contagious catarrhal affection of 

 the mucous membranes of the respiratory or- 

 gans and eyes, and is the result of exposure to cold, 

 especially to cold draughts over the roosts or along 

 the floor of the hen house; poorly ventilated and damp 



hen house, and overcrowding, are also very fruitful 

 causes. 



Symptoms: Watery eyes and sneezing, which is 

 best noticed when one goes into the hen house quietly, 

 in the evening; the fowl will become dull and 

 feathers become rough; breathing is somewhat inter- 

 fered with because of the nostrils becoming obstructed; 

 the eyelids become swollen and sometimes stick 

 together with the viscid secretion; breathing may be 



