34 THE FARM DAIRY. 



my herd three seasons and caused me to dis- 

 pose of nearly all my cows that had aborted, as 

 they failed to breed, became fat and dried up 

 on their milk. 



Combating an Outbreak. — Several years later 

 it broke out again when I had learned some- 

 thing about the disease, and I isolated every 

 cow as soon as possible after she had aborted 

 and treated her to vaginal injection of bichlor- 

 ide of mercury, one part to four thousand of 

 water, using one gallon as a treatment three 

 times per week, using the same lotion to wash 

 the vulva, tail and any parts necessa.ry. A 2^ 

 solution of carbolic acid may be used for this 

 purpose. A fountain syringe may be impro- 

 vised for this work, using a common tin pail 

 and a nipple to which a piece of hose can be 

 attached and the pail suspended at a height 

 sufficient to cause the liquid to flow freely. The 

 foetus and afterbirth must be buried or cre- 

 mated as soon as possible to prevent the spread 

 of the contagion. 



In cases of contagious abortion there are 

 usually the signs of normal parturition, enlarge- 

 ment of the udder and vulva, but in some cases 

 we do not discover these symptoms. 



Now we do not wait to investigate as to 

 whether we have the contagious or some other 

 form when a cow aborts, but isolate her imme- 

 diately and commence to treat her, keeping her 



