Biomphalaria camerunensis as a viable alternative intermediate host for Schistosoma mansoni in southern Cameroon

Table 1 Mortality and success of infection rates of snails during prepatent and patent periods

Snail species	Snail population	Prepatent period						Patent period
Snail species	Snail population	No. of snails exposed	No. of surviving snails	Mortality rate (%)	No. of infected snails	Infection rate (%)	Duration of pp	No. of surviving snails	No. of infected snails surviving	Mortality rate (%)
B. pfeifferi	Nkolbisson	164	157	4.3	125	79.6	21–25	115	110	29.9
	Gounougou	92	90	2.2	40	44.4	25–32	66	22	28.3
	Mokolo	88	80	2.3	36	41.9	25–40	50	6	43.2
	Total	344	327	4. 9	201	61.5		231	138	32.8
B. camerunensis	Yana Messina	91	90	1.1	4	4.4	34–36	63	4	30.8
	Mounassi	96	93	3.1	5	5.3	34–40	78	4	18.8
	Kede	92	87	5.4	5	5.7	34–40	75	4	18.8
	Sangmelima	99	97	2.0	0	0.0	0	81	0	18.2
	Petponoun	105	105	0.0	23	21.9	28–32	21	8	80.0
	Total	483	472	2.3	37	7.8		318	20	34.2

ISSN: 1756-3305