Abundance, Distribution, and Diversity of Freshwater Snail and Prevalences of Their Infection by Cercaria of Fasciola gigantica and Schistosoma spp at Mayo-Vreck River, Far North Region of Cameroon

Table 8

Seasonal variation in ringworm infestation.

Species	L. natalensis		B. globosus		B. tropicus		B. truncatus		B. pfeifferi		Total
Seasons	E(I)	T(%)	E(I)	T(%)	E(I)	T(%)	E(I)	T(%)	E(I)	T(%)	E(I)	T(%)
Rainy	505 (44)	8.71c	201 (47)	23.38b	128 (15)	11.72	138 (15)	10.87	933 (156)	16.72b	1905 (274)	14.38b
Cold dry	241 (66)	27.38b	143 (28)	19.58	79 (10)	12.66	92 (8)	8.69	727 (149)	20.49a	1282 (259)	20.20a
Hot dry	541 (168)	31.05a	216 (68)	31.48a	159 (23)	14.46	159 (19)	11.95	1259 (290)	23.03a	2334 (564)	24.16a

E = examined; I = infected; T = infection rate. Values followed by the same letters are not significantly different at the 5% level.