Table-3.

Mean bacterial shedding load of chicks infected with E. coli and treated with various doses of ethyl acetate fraction of Psidium guajava leaf extract.

Groups (mg/kg)	Bacterial shedding load (×109) (X±SD) (CFU/ml) Days of treatment
	0	2	4	6	8	10
Negative control	60±5	61±3	61±6	62±4	63±3	63±2
25	60±4	65±4	64±3	59±5	55±3	58±4
50	60±5	65±4	61±6	58±4	46±3s	44±3s
100	60±4	68±4	62±3	57±4	45±6s	43±4s
Oxytetracycline	60±5	65±6	58±5	50±6	44±4s	42±6s
Infected untreated	60±4	71±6a	76±5b	86±5b	88±6b	86±4b

S=Values in the same row are significantly lower than day zero, b=Values in the same row are significantly higher than day 0