Group

Observation 1

Observation 2

(48 h from the start of the challenge application)

(72 h from the start of the challenge application)

Number. of animals with positive reaction

% of animals with positive reaction

Number of animals with positive reaction

% of animals with positive reaction

Propolis

0/11

0%

0/11

0%

Balsam of Peru

1/12

8.33%

0/12

0%

Control

0/6

0%

0/6

0%