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. 2011 May 15;18(2):189–196. doi: 10.1051/parasite/2011182189

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
1

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

2

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