cally, whilst others, especially when the face or eyes become swollen, 

 lose their appetite, grow thinner and thinner, and finally become too- 

 weak to stand or walk around, when they lie down and die in a few 

 days. During the last stage, diarrhoea, with offensive yellow or'green. 

 discharge, often sets in and causes death in a short time. 



Many poultry keepers assert that roupy birds show fever ; and 

 it is certain that the head is very often hot, but the body tempera- 

 ture is normal, or only very slightly higher than normal. 



Special Symptoms of Roup. 



By the term Roup we generally understand a more or less put- 

 rid discharge from the nostrils, which lasts for weeks or even months.. 

 The disease often follows a common cold, to which fowls, especially 



Fig. 3.— Pigeon (Ko. 6) thirteen days after inoculation with the roup 

 bacillus and two days before death. 



young fowls and those of the more delicate breeds, are much predis- 

 posed. 



In the first stages of Roup, the birds often cough or sneeze, and' 

 the breathing is noisy, caused by the partial closing of the air pas- 

 sages, which become blocked with the discharge from the nostrils. 

 When the air passages are entirely closed by the discharged products,., 

 the fowl has to open its beak in order to breathe. 



Sometimes a yellowish cheese-like mass forms in the nostrils, 

 growing quickly and pressing the upper walls of the nose upwards : 

 and if this mass is removed, an uneven bleeding surface is left, which 

 forms a new cheesy mass in from 24 to 48 hours. 



Whilst many roup}^ birds show only the above mentioned symp- 

 toms, others become more seriously diseased. The face o roupy 

 birds is very often swollen, especially betw^een the eyes and the nost- 



