DISEASES OF THE RESPIRATORY SYSTEM. 



93 



53C, 

 It 



fined almost exclusively to animals under eight months old ; 

 it was pneumonic in nature, and had proved fatal in several 



fffltih 



-V 



Figs. 28, 29. 



-Parasites of verminous bronchitis. (From Hill on 

 ' Dogs,' after Oslee.) 



JCss— 



instances. Fifteen couples were attacked, and twenty-one 

 animals were lost. Three of the couples were old dogs. 



Symptoms. — " Among the initial symptoms disinclina- 

 tion for food and exercise, together with an unsteadiness 

 of gait, amounting in some cases to a subparalytic con- 

 dition of the hinder extremities, were the most evident. 

 In fully half the cases convulsions occurred. There was 

 rarely diarrhoea or any other symptom referable to gastro- 

 intestinal disorder. Cough was not a prominent sym- 

 ptom, being absent in many of the cases ; when present it 

 was short and husky, ' not,' as the keeper said, ' the regu- 

 lar distemper cough.' In the case brought to the infir- 

 mary the cough was well marked, and was dry and short. 

 The pulse and respirations were increased and the tempe- 

 rature elevated. Towards the close all food was refused, 

 and even, when fed, the soup was commonly vomited. 

 Death took place in most instances quietly, though some- 

 times during a convulsion, and the keeper noticed that 

 the pups which lasted the longest had the most fits. The 

 duration of the disease ranged from three days to a week 

 or even ten days." It showed itself during remarkably 

 cold weather, and especially among young animals housed 

 in a cold place. 



Post-mortem examinations were made in eight cases, and 



