DISEASES OF THE RESPIRATORY ORGANS. 21 



the same size, but the female soon becomes the larger 

 because of being loaded with eggs. 



The other kind spoken of above is known as "Syn- 

 gamus bronchialis"; this, however, is not at all com- 

 mon and is supposed to affect water fowls, 



Symptoms: These are so familiar with the poultry- 

 raiser that giving them would scarcely seem necessary 

 except for the inexperienced. 



The chick will be seen opening its mouth and gasp- 

 ing for breath frequently; it will sneeze and attempt 

 to swallow; there may be a cough and, by watching 

 closely, it is possible to see the worm being coughed 

 up; the patient will appear dull, with drooping wings 

 but the appetite is often not impaired. 



By holding the chick toward the sun the worms 

 may be seen in the windpipe. 



Treatment: This, in the first place, should be pre- 

 ventive. Chicks kept on old runs that are polluted 

 with eggs of gape worms are certain to have gapes; 

 therefore, avoid this cause as much as possible. 



Chicks kept on board or cement floors, until v/ell 

 feathered, are very seldom affected unless they are 

 fed earth worms, or ground contaminated with gape 

 worm eggs is thrown to them; neither should their 

 drinking water be taken from pools draining polluted 

 grounds or any place where contamination might be 



possible. 



The old way of extracting the worm with a stiff 

 horse hair, doubled upon itself so as to form a loop by 



