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Soil and sand contamination with canine intestinal parasite eggs as a risk factor for human health in public parks in Niš (Serbia)

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Figure 1

Parasitology diagnosis of soil samples. A) sporulated oocysts of Cystoisospora spp.; B) embryonated egg of T. canis (stage 1 larva); C) egg of T. leonina; D) egg of T. vulpis; E) embryonated egg of ancylostomatidae (stage 1 larva) (gravitation flotation method, ZnSO4); F) egg of A. alata, sedimentation method), 100x
Parasitology diagnosis of soil samples. A) sporulated oocysts of Cystoisospora spp.; B) embryonated egg of T. canis (stage 1 larva); C) egg of T. leonina; D) egg of T. vulpis; E) embryonated egg of ancylostomatidae (stage 1 larva) (gravitation flotation method, ZnSO4); F) egg of A. alata, sedimentation method), 100x

Quantitative assessment of soil samples from the public parks in Niš.

EndoparasitesDEGREE OF CONTAMINATION (QUALITATIVE FECmethod)
Park 1Park 2Park 3
LowMediumHighTotal positiveLowMediumHighTotal positiveLowMediumHighTotal positive
n (%)Mean ± SDn (%)Mean ± SDn (%)n (%)Mean ± SDn (%)Mean ± SDn (%)n (%)Mean ± SDn (%)Mean ± SDn (%)
Cystoisospora spp.2(100)5.5±3.5400021(100)700011(100)50001
Toxocara canis6 (66.66)5.67±1.973(33.33)35±8.890g6(75)4.67±2.942(25)27±11.31087(63.63)6.86±2.914 (36.36)35.50± 14.53011
Toxascaris leonina1(100)1000012(100)4±2.8300021(100)60001
Ancylostomatidae3(75)5.33±3.511(25)44043(60)7.67±3.212(40)34±9.90054(66.66)3.75±2.222(33.33)28.50± 14.8506
Trichuris vulpis3(100)6.67±3.0600031(50)101(50)37022(66.66)5.50±3.541(33.33)2503
Alaria alata000000001(100)43011(100)90001

Comparison of the results obtained for soil and sand samples in the free space of Park 2.

PARK 2
ENDOPARASITESSoil N=50Sand N=50P
n%n%
Cystoisospora spp.12360.62
Toxocara canis81613260.33
Toxascaris leonina24121
Ancylostoma Uncinaria stenocephala caninum/510481
Trichuris vulpis24241
Alaria alata128160.04

p< 0.05; n– number of positive samples;

Total positive19382040

Qualitative assessment of soil samples from the public parks in Niš – diagnosed coinfections.

PARKS IN NIŠ (soil)
MIXED ENDOPARASITIC CONTAMINATIONPark 1 N=50Park 2 N=50Park 3 N=50Park 4 N=50χ2P
n%n%n%n%
Cystoisospora Toxocara canis spp.120012002.020.57
Toxascaris Toxocara canis leonina120012002.020.57
Ancylostomatidae Toxocara canis123624121.630.65
Toxocara Trichuris canis vulpis000012003.050.39
Toxascaris Trichuris leonina vulpis001200003.050.39
Toxocara Alaria alata canis000000123.050.39
Ancylostomatidae Trichuris vulpis120000003.050.39
Cystoisospora spp. Toxocara canis001200003.050.39
Trichuris vulpis Toxocara canis
Ancylostomatidae Trichuris vulpis120000003.050.39
Total positive51051051024

Qualitative assessment of samples of sand in Park 2 – free space.

ENDOPARASITESSand samples N=50
n%
Cystoisospora spp.36
Toxocara canis1326
Toxascaris leonina12
Ancylostoma Uncinaria stenocephala caninum/48
Trichuris vulpis24
Alaria alata816
Total positive samples2040
MIXED ENDOPARASITIC CONTAMINATIONn%
Cystoisospora Toxocara canis spp.24
Ancylostomatidae Toxocara canis24
Toxocara Alaria alata canis36
Ancylostomatidae Alaria alata24

Qualitative assessment of soil samples from the public parks in Niš – diagnosed endoparasites.

PARKS IN NIŠ (soil)
ENDOPARASITEPark 1 N=50Park 2 N=50Park 3 N=50Park 4 N=50χ2P
n%n%n%n%
Cystoisospora spp.241212002.040.56
Toxocara canis91881611227141.210.75
Toxascaris leonina122412002.040.56
Ancylostoma Uncinaria stenocephala caninum/48510612242.250.52
Trichuris vulpis362436003.130.37
Alaria alata001212121.020.80
Total positive1938193823461020

Quantitative assessment of samples of sand in Park 2 – free space.

EndoparasitesDEGREE OF CONTAMINATION (QUALITATIVE FEC method)
Park 2
LowMediumHighTotal
n (%)Mean ± SDn (%)Mean ± SDn (%)Mean ± SDpositive
Cystoisospora spp.3 (100)6±200003
Toxocara canis8 (61.54)4.75±2.312 (15.38)34±8.493 (23.07)77±24.5613
Toxascaris leonina001 (100)36001
Ancylostomatidae1 (25)43 (75)35.33±8.50004
Trichuris vulpis1 (50)91 (50)16002
Alaria alata5 (62.5)4.60±3.053 (37.5)20.67±10.97008
eISSN:
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Anglais