TABLE 1.
Comparison of SCT and CFT for the detection of antibodies to B. abortusa
| Animal | No. of positive animals/total no. of animals in group:
|
||||||||
|---|---|---|---|---|---|---|---|---|---|
| I
|
II
|
III
|
|||||||
| Serum
|
Milk
|
Serum
|
Milk
|
Serum
|
Milk
|
||||
| CFT | SCT | SCT | CFT | SCT | SCT | CFT | SCT | SCT | |
| Cow | 0/100 | 0/100 | 0/100 | 15/50 | 15/50 | 15/50 | NDb | ND | ND |
| Water buffalo | 0/100 | 0/100 | 0/100 | 16/50 (20/50)c | 20/50 | 20/50 | 10/30 (20/30)c | 20/30 | ND |
a
Animals were divided into the following groups: I, animals from herds free of brucellosis; II, animals from herds with reported cases of brucellosis; and III, vaccinated animals.
b
ND, not done.
c
Numbers in parentheses include animals that were positive when tested again 1 month later.