Histopathological Effects of Gammalin 20 on African Catfish (Clarias gariepinus)

Table 1

Number of surviving Clarias gariepinus fingerlings treated with gammalin 20.

Conc. (ppb)	Time (Hours)
	1	2	4	8	16	24	48	72	96
Control	20	20	20	20	20	20	20	20	20
22	20	20	20	20	20	18	18	18	17
25	20	20	20	20	20	18	18	17	15
28	20	20	20	18	18	16	14	12	11
33	20	20	17	17	15	14	12	10	8
40	20	20	16	16	14	14	12	9	4
50	20	20	14	14	12	12	10	5	3
66	20	20	13	12	9	6	2	1	1
100	19	15	10	7	0	0	0	0	0
110	17	14	6	1	0	0	0	0	0