P.D. 123 5 



Reports of Divisions 



The following detailed reports of the various divisions of the department give a 

 brief description and explanation of important functions that were carried on during 

 the past year : 



REPORT OF THE DIVISION OF LIVESTOCK DISEASE CONTROL 



Bovine Tuberculosis 



During the year a total of 22,821 herd tests representing 238,546 individual animal 

 tests were made. As a result of these tuberculin tests 1,060 cattle were declared 

 "reactors," 295 of which were reported at time of slaughter as showing no visible 

 lesions of tuberculosis. 



Interstate movement of cattle. — There were 7,376 head of dairy cattle from outside 

 the state received at the dairy section of the quarantine station at Brighton, and 

 15,532 head at points other than Brighton — a total of 22,908. 



Cattle exports. — Interstate certificates of health were issued and approved on 4,186 

 head of cattle consigned from Massachusetts to thirty states and three countries. 



Licensed dealers in bovine animals. — Licenses were issued to 276 dealers engaged 

 in the business of buying and selling dairy cattle. Thirty-one thousand two hundred 

 forty-five (31,245) cattle were reported as sold for dairy purposes and 4,760 cattle 

 were sold for slaughter. 



Bang's Abortion Disease (Brucillosis) 



Fourteen herds were given accredited certificates during the year, and seventy- 

 seven herds were reaccredited — making a total of ninety-one accredited herds con- 

 taining 3,915 head of cattle. One hundred twenty-three (123) calves were vaccinated 

 by veterinarians in the employ of the Division. Twenty-seven thousand one hundred 

 two (27,102) blood samples were submitted to the laboratory of the Division. 



Rabies 



Seventy-one cases of rabies (sixty-five dogs, two cows, one calf, one sheep, one 

 pig, and one fox) were reported from forty cities and towns. The heads of 308 animals 

 were received for laboratory examination. Of this number, fifty-three dogs, one fox, 

 and one sheep were reported as afifected with rabies. Eight thousand eight hundred 

 seventy-five (8,875) animals were reported as inflicting injuries by biting or scratch- 

 ing persons. 



Diseases of Swine 



Treatment in prevention of hog cholera was applied to 74,617 head of swine by 

 veterinarians employed by the Division. In addition, authorized treatments were also 

 applied at the owners' expense to 38,160 swine by veterinarians in private practice. 

 Treatments for hemorrhagic septicemia and infections other than hog cholera were 

 applied to 20,454 swine by veterinarians employed by the Division. 



Equine Encephalomyelitis 



Reports were received of eleven horses showing symptoms of encephalomyelitis. 

 Of these, eight were classified as positive cases and resulted in four deaths and four 

 recoveries. 



Goats 



Tuberculin tests were conducted in nine herds containing seventy-five goats, all 

 of which were negative to the test. Agglutination blood tests were applied in six 

 herds containing fifty-seven goats. 



