Compartir
Título
Contribution to the Knowledge of Gastrointestinal Nematodes in Roe Deer (Capreolus capreolus) from the Province of León, Spain: An Epidemiological and Molecular Study
Autor
Facultad/Centro
Área de conocimiento
Título de la revista
Animals
Número de la revista
19
Datos de la obra
González, S.; Del Rio, M. L.; Díez-Baños, N.; Martínez, A.; Hidalgo, M. D. R. (2023). Contribution to the Knowledge of Gastrointestinal Nematodes in Roe Deer (Capreolus capreolus) from the Province of León, Spain: An Epidemiological and Molecular Study. Animals, 13, 10.3390/ani13193117
Editor
MDPI
Fecha
2023
Zusammenfassung
A study of gastrointestinal nematodes in roe deer was carried out in the regional hunt-
ing reserves of Riaño and Mampodre, Province of León, Spain, to provide information on their
prevalence and intensity of infection in relation to the sampling areas, age of the animals, and body
weight. Through a regulated necropsy of the animals, all of them harbored gastrointestinal nema-
todes in their digestive tract, with a mean intensity of parasitism of 638 ± 646.1 nematodes/infected
animal. Eleven genera were found and 18 species of gastrointestinal nematodes were identified,
three of them polymorphic: Trichostrongylus axei, Trichostrongylus vitrinus, Trichostrongylus capri-
cola, Trichostrongylus colubriformis, Haemonchus contortus, Spiculopteragia spiculoptera/Spiculopteragia
mathevossiani, Ostertagia leptospicularis/Ostertagia kolchida, Ostertagia (Grosspiculopteragia) occidentalis,
Teladorsagia circumcincta/Teladorsagia trifurcate, Marshallagia marshalli, Nematodirus europaeus, Cooperia
oncophora, Capillaria bovis, Oesophagostomum venulosum, and Trichuris ovis. All of them have already
been cited in roe deer in Europe, but Marshallagia marshalli, Capillaria bovis, and Ostertagia (Grosspicu-
lopteragia) occidentalis are reported for the first time in Spain in this host. The abomasum was the
intestinal section, where the prevalence (98.9%) and mean intensity (x = 370.7 ± 374.4 worms/roe
deer; range 3–1762) were significantly higher, but no statistically significant differences were found
when comparing the sampling areas and age of animals. The animals with lower body weight
had a higher parasite load than those in better physical condition, finding, in this case, statistically
significant differences (p = 0.0020). Seven genera and 14 species were identified. In the small intestine,
88% of the animals examined presented gastrointestinal nematodes, with an average intensity of
x = 131.7 ± 225.6 parasites/infected animal, ranging between 4–1254 worms. No statistically signifi-
cant differences were found when the three parameters studied were compared. Four genera and
seven species were identified. In the large intestine/cecum, 78.3% of the examined roe deer presented adult worms, with an average intensity of 6.3 ± 5.5 worms/infected animal; range 1–26 worms. Only
statistically significant differences were observed when considering the mean intensity of parasitism
and the sampling area (p = 0.0093). Two genera and two species were identified. Several of the species
found in the study were studied molecularly, and with the sequences obtained compared with those
deposited in GenBank, phylogenetic trees were prepared to determine their taxonomic status. Using
coprological techniques, the existing correlation in the shedding of gastrointestinal nematode eggs in
roe deer was investigated with that of semi-extensive sheep farms in the same study area to verify
the existence of cross-transmission of these parasites between wild and domestic animals. The high
values found in the studied parameters show that northern Spain is an area of high-intensity infection
for roe deer.
Materia
Palabras clave
Peer review
SI
URI
DOI
Aparece en las colecciones
- Untitled [5398]
Dateien zu dieser Ressource
Tamaño:
4.148
xmlui.dri2xhtml.METS-1.0.size-megabytes
Formato:
Adobe PDF