Table 3. Mortality Rate and Clinical Signs

Group	No. of animal	Mortality (dead/total)a	Abnormal behavior	Change of feces and urine
I	6	0% (0 / 6)	N	N
II	6	0% (0 / 6)	N	N
III	6	0% (0 / 6)	N	N

N : Normal
Number of dead animals / Number of tested animals
I : untreated group; II : treated with caffeine ; III : treated with caffeine and herb mixture