M(1)35
4.-CONTAGIOUS ABORTION VACCINE.
No cases occurred amongst the Dairy Farm herd during the year and no vaccine was issued.
A few agglutination tests were carried out at the request of the Veterinary Surgeon.
5.-MILK ANALYSIS.
The number of samples examined was 105, being an increase of 23 samples over last year.
Both fresh milk and pasteurised milk samples were examined weekly.
6. ANTI-RABIC TREATMENT.
Two strains of virus were kept going during the year, the Saigon and a local strain.
111 patients were treated with protective vaccine, a reduction of 49 cases on the previous year.
2,394 graduated doses of vaccine were issued, being 446 doses less than 1926.
The value of the free issue was $2,274.00.
36 dogs' brains were examined for the presence of negri bodies, of these 5 were positive.
One monkey suspected of rabies was also examined.
A number of dogs were given a protective dose of anti-rabies vaccine, prepared at the Institute, from a local strain.
7.-CLINICAL EXAMINATION.
The number of specimens examined for Government Institution and Private Practitioners was 8,515, an increase of 552 over the number examined in the previous year.
A few specimens of tissues were examined for the presence of malignant disease, mostly from Government or Charitable Institutions.
8.-RIDEAL WALKER TEST.
Ten specimens of various disinfectants were examined at the request of the Sanitary Department.