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Prevalence and risk factors analysis of fasciolid trematodes with phylogenetic analysis of Fasciola gigantica in small ruminants of Malakand Division, Pakistan Cover

Prevalence and risk factors analysis of fasciolid trematodes with phylogenetic analysis of Fasciola gigantica in small ruminants of Malakand Division, Pakistan

Open Access
|Sep 2026

Figures & Tables

Fig. 1.

The figure shows different locations of study area.

Fig. 2.

Agarose gel electrophoresis showing PCR amplification of ITS region of F. gigantica.

Table 1.

Overall prevalence of Fascioliasis in sheep and goats.

S/NoType of HostTotal Sample ExamineTotal positiveOverall prevalence %
1Sheep1307513.9 %
2Goat1274262.04 %
Table 2.

Overall prevalence of Fasciolides trematodes species in sheep and goats.

Parasite speciesTotal samples of Sheep (1307)Total samples of Goats (1274)
Positive samplesPrevalence %Positive samplesPrevalence %
F. hepatica423.21191.49
F. gigantica90.6870.54
Table 3.

Shows the risk factors associated with the prevalence of fascioliasis.

Risk FactorsVariablesSheep (1307)Goats (1274)P-value
SamplePositive %Prevalence %SamplePositivePrevalence %
SexMale526234.372508101.960.611
Female781283.58766162.088
Age<1.5 years268197.0831292.880.003
>1.5 years1039323.07962171.76
AreaDir (U)2002311.52501040.97
Dir (L)445204.4939571.77
Bajaur10110.9911421.75
Swat1001110011
Buner15021.3315021.33
Shangla8311.206510.60
Malakand15021.3310921.83
Chitral7811.289111.11
Grazing systemGrazing504163.17507101.970.32
Stall fed803354.35767162.08
Health conditionHealthy1018343.331041141.340.0001
Emaciated289175.88233125.15
Drinking water sourceOpen427194.44412102.420.039
Bore22541.7716721.19
Stream388215.4135892.51
Tap water26772.6233751.48
SeasonAutumn294103.4030861.940.0004
Winter21641.8519921.005
Spring31961.8833151.51
Summer478316.48436132.98
TreatmentTreated32072.1830841.290.036
Untreated987444.45966222.277
Fig. 3.

Phylogenetic tree of F. gigantica in goats and sheep utilising the ITS marker. The generated tree depicts the genetic relationships among the isolates of the present investigation and reference sequences from various regions. Bootstrap values are provided at branch points indicating the confidence levels of the groups.

DOI: https://doi.org/10.2478/helm-2026-0012 | Journal eISSN: 1336-9083 | Journal ISSN: 0440-6605
Language: English
Page range: 109 - 117
Submitted on: Jul 5, 2025
Accepted on: Mar 19, 2026
Published on: Sep 7, 2026
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open

© 2026 A. U. Khan, W. Khan, M. I. Khan, A. Akbar, A. Ullah, M. Siraj, J. Jamil, A. B. Ismael, A. A. Swelum, published by Slovak Academy of Sciences, Institute of Parasitology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.