Intestinal helminths infection of rats (Ratus norvegicus) in the Belgrade area (Serbia): the effect of sex, age and habitat

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Table II.

Quantitative indices of individual intestinal helminth infections of Rattus norvegicus.

	Helminth species		n	N	Z	P %	I	MI	MA
(Part 1)	Heterakis spumosa	male	54	437	145	37.2	1.1224	8.1	3.0
		female	57	460	157	36.3	1.0637	8.1	2.9
	Hymenolepis diminuta	male	50	319	145	34.5	0.7586	6.4	2.1
		female	42	261	157	26.7	0.4447	6.2	1.7
	Rodentolepis fraterna	male	22	132	145	15.2	0.1381	9.0	0.9
		female	16	87	157	10.2	0.0565	5.4	0.5

Combined habitats	Nippostrongylus brasiliensis	male	27	370	145	18.6	0.4751	13.7	2.5
		female	22	307	157	14.0	0.3212	13.9	2.0
	Capillaria sp.	male	14	126	145	9.7 ^*	0.0839	9.0	0.9
		female	4	55	157	2.5	0.0089	13.7	0.3
	Trichuris muris	male	11	49	145	7.6	0.0256	4.4	0.3
		female	7	37	157	4.5	0.0105	8.3	0.2
	Syphacia muris	male	6	50	145	4.1	0.0142	8.3	0.3
		female	7	47	157	4.5	0.0133	6.7	0.3

(Part 2)	Heterakis spumosa	male	29	242	81	35.8	1.0696	8.3	3.0
		female	26	220	76	34.2	0.9903	8.5	2.8
	Hymenolepis diminuta	male	34	187	81	42.0	0.9691	5.5	2.3
		female	23	117	76	30.3	0.4659	5.1	1.5
	Rodentolepis fraterna	male	16	73	81	19.7	0.1780	4.6	0.9
		female	12	69	76	15.8	0.1434	5.7	0.9

Urban habitat	Nippostrongylus brasiliensis	male	13	146	81	16.0	0.2893	11.2	1.8
		female	10	127	76	13.2	0.2199	12.7	1.7
	Capillaria sp.	male	12	127	81	14.8 ^* ^#	0.2323	10.6	1.6
		female	3	27	76	3.9	0.0140	9.0	0.4
	Trichuris muris	male	7	36	81	8.6	0.0384	5.1	0.4
		female	6	28	76	7.9 ^#	0.0291	4.7	0.4
	Syphacia muris	male	6	53	81	7.4	0.0485	8.8	0.6
		female	5	38	76	6.6	0.0328	7.6	0.5
	Heterakis spumosa	male	25	217	64	39.1	1.3245	8.7	3.4
		female	31	218	81	38.3	1.0300	7.0	2.7
	Hymenolepis diminuta	male	16	129	64	25.0	0.5039	8.1	2.0
		female	19	147	81	23.5	0.4257	7.7	1.8
	Rodentolepis fraterna	male	6	44	64	9.4	0.0645	7.3	0.7
		female	4	33	81	4.9	0.0201	8.2	0.4

Suburban-rural habitat	Nippostrongylus brasiliensis	male	14	209	64	21.9	0.7144	14.9	3.3
		female	12	195	81	14.8	0.3567	16.2	2.4
	Capillaria sp.	male	2	18	64	3.1	0.0088	9.0	0.3
		female	1	7	81	1.2	0.0011	7.0	0.1
	Trichuris muris	male	4	18	64	6.2	0.0176	4.5	0.3
		female	1	4	81	1.2	0.0006	4.0	0.1
	Syphacia muris	male	0	0	64	0.0	0.0000	0.0	0.0
		female	2	6	81	2.5	0.0018	3.0	0.1

Part 1: significantly different from females at * p < 0.05;

Part 2: significantly different from females at * p < 0.05;from urban habitats at # p < 0.05.

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