302 DISEASES OF CATTLE. 



covered, sucli as a very slight grating sound, being 

 heard in the wind-pipe, when the ear is steadily applied. 

 The cow should immediately have some iron, or tonic 

 powders, and all will be well in a few days again ; 

 whereas, if left to itself serum is exuded, and debility, 

 weakness and death itself, may follow. I would say to 

 dairy men, study the sounds in the wind pipe, both in the 

 sick and vvell animal, and you will not only perfect your 

 knowledge in this particular, but I assure you it will be 

 no idle study, for in a short time you will not only be 

 able to detect those insidious diseases, in the early sea- 

 son, in your cows, but can apply the remedy also, thereby 

 saving yourself from inconvenience and loss, which some 

 of you can ill afford, and at the same time you can prove 

 to your neighbors, and to the world at large, that cattle 

 diseases are not so difficult to cure after all, and that we 

 have so long sat and brooded with soured and sullen minds 

 over our losses, and the ignorance and inefficiency of 

 cow doctors, without avail. 



Cause. — Bronchitis generally is a disease which rarely 

 attacks one animal only, but the most of the herd will have 

 been attacked before it leaves the place, and then it will 

 leave when there are no more victoms for it to seize. Those 

 epizootic diseases depend upon what is called atmospheric 

 causes. This condition usually manifesting itself in the 

 spring of the year, and sometimes early in the summer. 

 This peculiarity of the air causes irritation of the fauces 

 of the mouth, throat or wind-pipe, and as before stated, 

 sometimes extends to the chest and lungs themselves. 



Symptoms. — In a w^eek or so after the attack, a slight 

 husky cough, weeping from the eyes, and a watery dis- 

 charge from the inner corner of the nose will be seen, and 

 by applying the ear to the course of the wind-pipe, a 



