INFECTIOUS PLEURO-PNEUMONIA. 
41? 
to inoculation, because I am convinced the time has come to practice 
it; and I hope every cattle owner, from Connecticut to Virginia, will 
lose no time in inoculating his animals when there is danger of becom¬ 
ing infected. 
“ INFECTIOUS PLEURO-PNEUMONIA.” 
4 
In last week’s Ploughman was published an article entitled “An 
Outbreak of Infectious Pleuro-pneumonia among Cattle at Clinton, 
N. J.” VVe are glad to learn that New Jersey has “ An Act to prevent 
Contagious Diseases among Cattle and Stock,” and we hope the Town¬ 
ship Committee will be able to exterminate the disease. If, however, 
the condition of trade between the dealers and farmers of that section 
is the same as in Massachusetts, we doubt if the committee will be suc¬ 
cessful. 
In this State near the cities a large quantity of milk is produced 
which is sold at the farm to dealers who have regular customers to sup¬ 
ply daily, consequently it is important to keep up a given quantity; to 
do so, it is necessary, as the yield of some of the cows diminish to 
change the stock. The dealer is notified to furnish one or more new 
milch cows. He in the regular course of business, purchases one or 
more in a town twenty miles distant, others in adjoining towns, and 
sells or exchanges them to the milk raisers. The point is this, unless 
the committee have sufficient power to trace and watch every animal 
sold from infected herds, whether in or out of Clinton, in many cases 
the most important link in the chain of success is lost. 
Inoculation. —Recent investigations seem to prove that the 
severity of the disease is mitigated by vaccination, but when, as in the 
present case, it could be easily stamped out, it would seem to be the 
best method, as well as the most economical. In England, during an 
epidemic of small pox in sheep, vaccination was undertaken, but after 
a brief trial the stamping out process was resorted to with complete 
suc'cess. But if the malady should get so thoroughly disseminated as 
<1 
to render it impossible to trace it, then inoculation is justifiable. An¬ 
other point of the greatest importance is, Did the cow bought by Mr. 
Cramer communicate the disease to his herd ? If she did, was she 
brought from Ohio ? If the answer is in the affirmative, it is a condi¬ 
tion which should cause alarm. We were aware that a few years since 
