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Gastrointestinal parasitic helminths of bats from a cave in Luzon Island, Philippines Cover

Gastrointestinal parasitic helminths of bats from a cave in Luzon Island, Philippines

Open Access
|Jul 2024

Figures & Tables

Fig. 1.

Location map of Cavinti, Laguna (left) and sampling sites in Cavinti Underground River and Cave Complex (CURCC) (right).
Location map of Cavinti, Laguna (left) and sampling sites in Cavinti Underground River and Cave Complex (CURCC) (right).

Fig. 2.

Trematodes isolated from bats collected in Cavinti Underground River and Cave Complexes (CURCC), Laguna: A. Prosthodendrium sp. adult B. Acanthatrium sp. adult. C. Plagiorchis sp. adult. AC—Acetabulum, CP—cirrus pouch, OS—Oral Sucker, OV—Ovary, PH—Pharynx, T—Testes, UT—Uterus, VT—Vitellaria
Trematodes isolated from bats collected in Cavinti Underground River and Cave Complexes (CURCC), Laguna: A. Prosthodendrium sp. adult B. Acanthatrium sp. adult. C. Plagiorchis sp. adult. AC—Acetabulum, CP—cirrus pouch, OS—Oral Sucker, OV—Ovary, PH—Pharynx, T—Testes, UT—Uterus, VT—Vitellaria

Fig. 3.

Nematode Nycteridostrongylus sp. (A) anterior part showing cephalic head and (B) copulatory bursa.
Nematode Nycteridostrongylus sp. (A) anterior part showing cephalic head and (B) copulatory bursa.

Fig. 4.

Male Toxocara sp. (A) anterior and (B) posterior part. Female Toxocara sp. (C) anterior and (D) posterior part. (E) Toxocara sp. adult male (top) and female (bottom).
Male Toxocara sp. (A) anterior and (B) posterior part. Female Toxocara sp. (C) anterior and (D) posterior part. (E) Toxocara sp. adult male (top) and female (bottom).

Fig. 5.

Cestode Vampirolepis sp. scolex (A), mature segment (B), and gravid segment (C).
Cestode Vampirolepis sp. scolex (A), mature segment (B), and gravid segment (C).

Prevalence and mean intensity of helminths from bats collected in Cavinti Underground River and Cave Complex (CURCC), Cavinti, Laguna with respect to host’s sex, diet, age, and roosting site_

Host CharacteristicnPrevalence (%)Mean Intensityp-value

(# of parasites/bat)PrevalenceMean Intensity
SexMale9149.54.00.032*0.231
Female8133.316.0

DietFruit bats6426.63.30.019*0.006*
Insectivorous bats10844.49.9

Roosting SiteCave-dwelling14141.88.90.019*0.009*
Non-cave dwelling3119.41.7

AgeSub-adult4337.23.50.6530.171
Adult12941.19.1

Number of bat hosts infected (% prevalence) infected by helminths identified in Cavinti Underground River and Cave Complexes (CURCC), Laguna_

Helminth TaxonNumber of hosts infected (Prevalence %)

R. amplexicaudatusP. jagoriH. diademaH. pygmaeusR. rufusR. inopsM. paululus
Trematodes
Acanthatrium sp.----3 (33%)11 (64.71%)18 (75%)
Prosthodendrium sp.--2 (13.33%)----
Nematodes
Nycteridostrongylus--1 (6.67%)-1 (11.11%)1 (5.88%)12 (50%)
Toxocara sp.8 (25%)------
Cestodes
Vampirolepis sp.6 (18.18%)5 (38.46%)1 (6.67%)3 (15.00%)4 (44.44%)-6 (25.00%)

List of bat species including prevalence (P, %) and mean intensity (MI, mean number of helminths/bat individual) of each helminth group isolated from bats collected in Cavinti Underground River and Cave Complex (CURCC), Cavinti, Laguna_

Bat SpeciesnTrematodesNematodesCestodesTOTAL

PMIPMIPMIPMI
Rousettus amplexicaudatus320014.29325.714404
Cynopterus brachyotis1600006.2536.253
Ptenochirus jagori130038.4610038.41
Haplonycteris fischerii200000000
Eonycteris robusta100000000
Hipposideros lekaguli2000000000
Hipposideros diadema1513.33116.67226.671405
Hipposideros pygmaeus215115100152
Rhinolophus inops1764.760005.88164.716
Rhinolophus arcuatus100000000
Rhinolophus rufous933.33322.22444.44266.673
Miniopterus paululus24752025250491.318
Myotis horsefieldii100000000
TOTAL17218.971312.64312.07239.668
DOI: https://doi.org/10.2478/helm-2024-0016 | Journal eISSN: 1336-9083 | Journal ISSN: 0440-6605
Language: English
Page range: 151 - 165
Submitted on: Sep 23, 2023
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Accepted on: May 9, 2024
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Published on: Jul 16, 2024
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open

© 2024 R. A. J. Duco, G. G. Villancio, V. G. V. Paller, P. A. Alviola, published by Slovak Academy of Sciences, Institute of Parasitology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.