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The prevalence of intestinal parasite infections in goats from smallholder farms in Northern Thailand Cover

The prevalence of intestinal parasite infections in goats from smallholder farms in Northern Thailand

Open Access
|May 2022

Figures & Tables

Fig. 1

Five districts which were investigated for parasitic infections in small ruminants.
Five districts which were investigated for parasitic infections in small ruminants.

Fig. 2

Distribution of the number of different helminth species found in male and female goats in Northern Thailand.
Distribution of the number of different helminth species found in male and female goats in Northern Thailand.

Prevalence of helminth infections (percentage of infected goats) in male and female goats in Northern Thailand_

Parasitic infectionMale
Female
X2P
Total+%Total+%
Strongyles292482.885665676.60.5910.442
Trichuris spp.290085640.50.1360.712
Nematodirus spp.290085680.90.2740.601
Dicrocoelium dendriticum290085610.10.0340.854
Eimeria spp.291551.785643050.20.0250.875
Moniezia spp.29310.385612915.10.4940.482
Others (Strongyloides spp.)290085660.70.2050.651

Third-stage strongylid larvae identified in coprocultures of goats (expressed as mean percentage)_

Larval genusTotal (%)
Haemonchus contortus55.84
Strongyloides papillosus20.53
Teladorsagia5.80
Bunostomum trigoncephalum5.00
Charbertia ovina4.18
Nematodirus spp.3.46
Trichostrongylus spp.3.07
Cooperia oncophora0.92
Cooperia curticei0.85

Results from a predictive logistic regression model for parasitic infection in goats from Northern Thailand_

VariableLevelβSEWaldORP-Value95% CI
SexMale 1--
Female-0.160.5020.1020.8520.7500.319 – 2.278
Body Condition ScoreGood 1--
Moderate-0.8530.7181.4120.4260.2350.104 – 1.740
Thin-1.0610.5294.0230.3460.0450.123 – 0.976

Descriptive statistics (number and percentage of positive samples and mean, SD, Min, and Max) of fecal egg/oocyte counts in goats of 31 Smallholder Farms in Thailand_

VariablesExaminedPositive [n (%)]MeanSDMin – Max
Gastrointestinal strongyles885680 (76.8%)799.01348.60 – 13333
Trichuris spp.8854 (0.5%)0.23.40.58
Nematodirus spp.8858 (0.9%)0.67.10 – 104
Dicrocoelium dendriticum8851 (0.1%)1.51.50 – 1368
Eimeria spp.885445 (50.3%)427.6118.10 – 96285
Moniezia spp.885132 (14.2%)69.520.00 – 15786
Others (Strongyloides spp.)8856 (0.7%)0.60.30 – 246

Contingency table and odds ratio results for association of explanatory variables with parasites positive for fecal eggs of goats, by parasites_

VariablesInfected/ ExaminedPrevalence (%)95% CIOdds RatioP value
Stronglyes (%)
Sex 0.402
Female656/85676.674.8 – 88.21.0
Male24/2982.846.7 – 91.30.654
Body Condition Score 0.163
Good23/3076.743.2 – 87.61.0
Moderate613/80576.173.5 – 90.30.426
Poor44/5088.076.3 – 99.70.430
Moniezia spp.(%)
Sex 0.511
Female129/85615.110.4 – 21.81.0
Male3/292.31.3 – 24.90.650
Body Condition Score 0.828
Good4/3013.311.1 – 26.51.0
Moderate119/80514.86.3 – 20.60.735
Poor9/5018.08.1 – 27.90.799
Eimeria spp. (%)
Sex 0.895
Female430/85650.250.2 – 66.21.0
Male15/2951.714.2 – 66.80.895
Body Condition Score 0.009
good15/3050.0b13.2 – 65.71.0
Moderate394/80548.9b42.4 – 62.30.383
Thin36/5072.0a58.2 – 85.80.372

Results of the fecal egg (expressed as eggs per gram, EPG) and oocyst (expressed as oocysts per gram, OPG) counts differentiated for the prevalence of gastrointestinal strongylid nematodes (GIN) (classified as negative, low, moderate and high), separated by sex and species ( expressed as % within sex or body condition score)_

Sex
Body condition score
Total
MaleFemalePoorModerateGood
Gastrointestinal strongylidnematodes(GIN)
Mean FECc455.5 ± 132.8b810.7 ± 46.6a1603.3 ± 287.2A751.3 ± 45.4B738.5 ± 202.78B802.1 ± 45.4
Negative17.222.812.023.223.322.6
Low (< 500 EPG)51.738.338.038.840.038.8
Moderate (500 – 1000 EPG)17.213.66.014.016.713.7
High (> 1000 EPG)13.825.444.024.020.025.0
Eimeria spp.
Mean FOCc591.1 ± 245.1422.0 ± 121.8172.8 ± 118.1412.8 ± 124.91248.9 ± 945.8427.6 ± 118.1
Negative48.349.528.050.850.049.5
Low (< 1800 OPG)37.947.072.045.243.346.7
Moderate (1800 – 6000 OPG)13.82.703.23.33.1
High (> 6000 OPG)00.800.73.30.8
DOI: https://doi.org/10.2478/helm-2022-0007 | Journal eISSN: 1336-9083 | Journal ISSN: 0440-6605
Language: English
Page range: 64 - 73
Submitted on: Feb 8, 2021
Accepted on: Jan 28, 2022
Published on: May 4, 2022
Published by: Slovak Academy of Sciences, Institute of Parasitology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2022 K. Wuthijaree, P. Tatsapong, C. Lambertz, published by Slovak Academy of Sciences, Institute of Parasitology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.