CHBOXIC COUGH. 617 



roads through which diseased cattle are likely to be driven. If, 

 unfortunately, the disease does appear, kill the first affected, 

 separate the animals as effectually as possible, and support 

 all those in health by liberal diet and ferruginous tonics. It 

 depends entirely on the intelligence with which these injunc- 

 tions are carried out whether they are successful or not. 



CHEOXIC DISEASES OF THE KESPIEATOEY ORGANS. 



CHKONIC COUGH. 



What is a chronic cough ? is a question of some importance 

 to horsemen, and one which is not very easily answered. 

 When a man coughs beyond the .limited period usually 

 assigned to a common cold, he is in fear that it has " settled 

 on his chest," and, perhaps, that he may be consumptive, or 

 attacked with the chronic bronchitis so common on our east 

 coast, and so deadly amongst old people. But the horse is 

 not subject to consumption, and the instances of bond fide 

 chronic bronchitis are rare. There are several kinds of 

 chronic coughs in horses. One is called a hollow cough, due 

 to lung derangement, and another is characteristic of broken 

 wind ; a third is a short cough whilst feeding on dry oats or 

 after drinking cold water. This is often the roarer's cough, 

 due to derangement of the nerves of the throat. The chronic 

 cough is not usually characterised by any special feature 

 which will enable an experienced man to say that it is chronic. 

 I do not, of course, allude to the cough of a broken-winded 

 horse, but to a short sharp bark which may be heard occa- 

 sionally in the stable, always when the horse is first brought 

 out into the cold air, and usually when any dry and solid object 

 is swallowed. The only sure test of the existence of such a 

 cough is time, and it is of considerable moment that pur- 

 chasers of horses should know this, as they are very frequently 

 offered horses with colds, throats blistered "a little out of 



