Seasonal Prevalence of Gastro-Intestinal Helminth Parasites of Goats (Capra Sp.) of Shivraj Municpality-13 Kapilvastu, Nepal
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Central Department of Zoology Institute of Science and Technology Tribhuvan University Kirtipur, Kathmandu
Abstract
Goat (Capra sp.), being an important source of meat in Nepal. This species is greatly
affected by the helminthes parasites. The current study was carried out to observe the
seasonal prevalence of intestinal parasites with sedimentation and flotation techniques. The
samples were collected and examined for the study periods. The overall prevalence of
helminth parasite during winter, 58 (54.71%) infection and summer 86 (81.13%) infection.
Winter 13(12.26%) infection were caused by trematodes, 7 (6.66%) by cestodes and 38
(35.84%) nematodes. Summer 19(17.92%) infection were caused by trematodes 11 (10.37%)
by cestodes and 56(52.83%) nematodes. The prevalence percentage of identified genera of
trematodes were Dicrocoelium sp. (3.47%), Fasciola sp. (15.97%) and Paramphistomum sp.
(2.77%). The difference in the prevalence of different genera of trematodes during winter and
summer were not found statistically insignificant (χ2= 1.325, p 0.250). Among cestodes the
genera identified with their prevalence percentage were found to be Moniezia sp. (2.77%)
and Taenia sp. (9.72%). The difference in the prevalence of different genera of cestodes
during winter and summer were not found statistically insignificant (χ2= 2.186, p 0.139).
Similarly the genera included in nematodes are Toxocara sp. (16.66%), Strongyl sp.
(1.38%), Bunostomum(2.77%),Capillaria(4.86%),Chabertia(4.16%),Dictyocalus(4.86%),
Cooperia(2.08%),Heamonchus(3.47%),Oesophagostomum(8.33%),Nematodirus(0.69%),Ost
ertagia(1.38%),Strongyloides(6.25%),Trichuris(5.55.%),Trichostrongylus(4.86%). Mixed
infection was observed in 54 (50.94%) winter and 80(75.47%) summer season. Altogether
134 (63.20%) mixed infection were detected. The difference in the prevalence of helminth
parasites during winter and summer seasons were found statistically significant (χ2=6.193,
P<0.013, d. f. = 1)