Revision of chamois infection by lung nematodes under ecological conditions of national parks of Slovakia with respect to ongoing global climate changes

Ŝtefanĉíková, A.; Chovancová, B.; Hájek, Bedřich; Dudiňák, V.; Šnábel, Viliam

doi:10.2478/s11687-011-0022-6

Cited by 6 publications

(7 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The mean fitted values of LPG showed clear temporal fluctuations, with a winter/spring–autumn bimodal pattern and a peak during the rut, thus supporting previous results (Stefancíková et al, ). The difference in fecal larval counts between territorial and nonterritorial males was greatest in November, with higher values in the former than in the latter ( cf .…”

Section: Discussionsupporting

confidence: 89%

“…The mean fitted values of LPG showed clear temporal fluctuations, with a winter/spring-autumn bimodal pattern and a peak during the rut, thus supporting previous results (Stefancíková et al, 2011).…”

Section: Discussionsupporting

confidence: 89%

“…In this study, we first aimed to model ART‐specific temporal patterns of lungworm larvae in feces. Data available on chamois suggest a bimodal spring‐autumn pattern of shedding of larvae (Stefancíková, Chovancová, Hájek, Dudinák, & Snábel, ). However, we also expected territorial males to have greater fecal larval counts than nonterritorial ones during the onset and the peak of territoriality (owing to their dominant status, cf .…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Parasitism and alternative reproductive tactics in Northern chamois

Corlatti

Lorenzetti

Bassano

2019

Ecology and Evolution

View full text Add to dashboard Cite

Alternative reproductive tactics (ARTs), discrete phenotypic variations evolved to maximize fitness, may entail different cost‐benefit trade‐offs. In large mammals, differences in costs associated with ARTs—including energy expenditure and parasite infection—are typically greatest during the breeding season. Nonetheless, physiological and behavioral differences between ARTs can manifest throughout the year, possibly involving costs that may contribute to maintain ARTs within populations. Using the number of nematode larvae per gram of feces (LPG) as a proxy, we explored the temporal changes in lung parasite infection in territorial and nonterritorial male chamois Rupicapra in the Gran Paradiso National Park (Italy), between 2011 and 2012. We aimed to identify which tactic‐specific physiological and behavioral features (including age, hormonal levels, inter‐ and intrasexual interactions, and space use) or climatic factors (temperature and precipitation) best explained yearly variation in parasite infection within and between ARTs. Generalized additive mixed models showed that the fecal larval counts of lung nematodes underwent strong temporal changes in both male types. Differences between ARTs (with higher LPG values in territorial than nonterritorial males) were greatest during the rut and—to a lesser extent—in spring, respectively, at the peak and at the onset of territoriality. The difference in LPG between tactics was largely explained by the greater levels of hormone metabolites in territorial males during the rut. The other variables did not contribute significantly to explain the different shedding of larvae within and between ARTs. Our analysis suggests that different values of LPG between territorial and nonterritorial males are largely a result of tactic‐specific differences in the secretion of hormone metabolites, but only during the rut. To clarify whether rut‐related parasitism contributes to the maintenance of ARTs, tactic‐specific life history trade‐offs, for example, between reproduction and parasite‐related mortality, must be investigated.

show abstract

Section: Discussionsupporting

confidence: 89%

Section: Discussionsupporting

confidence: 89%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Parasitism and alternative reproductive tactics in Northern chamois

Corlatti

Lorenzetti

Bassano

2019

Ecology and Evolution

View full text Add to dashboard Cite

show abstract

“…While the Alpine chamois populations have been subjected to several parasitological studies [4], parasites of the High Tatra endemics have generally been poorly studied. Partial research on chamois was carried out in the 1960s and 1980s [5], with the focus mainly on lungworms [6], but more recent data on parasite fauna of Tatra chamois is lacking.…”

Section: Introductionmentioning

confidence: 99%

Pilot research on gastrointestinal parasites of the Tatra chamois (<i>Rupicapra rupicapra tatrica</i>)

Hurníková¹,

Miterpáková²,

Chovancová³

et al. 2022

Ann Agric Environ Med.

View full text Add to dashboard Cite

Introduction. The Tatra chamois (Rupicapra rupicapra tatrica) is a significant representative of the High Tatra Mountains endemic fauna species. In terms of health hazards for these animals, an important role is played by parasitic infections that can lead to a significant depletion of the entire population.Objective. The aim of the study was to describe the occurrence of gastrointestinal parasites of Tatra chamois in the current environmental and climatic conditions of the High Tatra Mountains. Materials and method. During the pilot project in 2014 -2017, a total of 494 chamois faecal samples were collected from the Slovak High Tatra and 114 samples in the Polish part of the mountain and examined using standard coprological methods. Results. The results revealed that the overall positivity for gastrointestinal parasites in chamois of the Slovak High Tatra reached 74.7%. Most frequent were protozoa -Eimeria spp. (42.7%), helminths were represented by Moniezia spp. tapeworms (23.5%), eggs of GIS-strongylids (7.1%), and sporadically Capillaria spp. (1.4%). The chamois from the Polish Tatra Mts. were infected with Eimeria spp. (43.9%), GIT-strongylids (9.6%), and Moniezia spp. (6.1%). Parasitic infection was determined in 59.6 % of faecal samples from the Polish part of the mountains. Statistical analyses revealed a significant difference in Moniezia spp. occurrence in different Slovak Tatra Mts. Regions, as well as between Slovak and Polish Tatra Mts. Conclusions. Initial research on the gastrointestinal parasites of the Tatra chamois revealed one indisputable finding -a relatively high prevalence of the genus Moniezia, which is closely linked to the climate and microclimate conditions of the mountains. Further intensive research on parasite composition and distribution in Tatra chamois is needed in broader temporal, ecological, and zoological contexts.

show abstract

“…To assess parasite burden, we focussed on lungworm larvae, because their seasonal cycle shows a peak during autumn (Stefancíková et al. ). To count larvae, following Thienpont et al.…”

Section: Methodsmentioning

confidence: 99%

Contrasting Alternative Hypotheses to Explain Rut‐Induced Hypophagia in Territorial Male Chamois

Corlatti

Bassano

2013

Ethology

View full text Add to dashboard Cite

Male ungulates in temperate environments often show a severe reduction in time spent foraging during the mating season. Several hypotheses have been put forward to explain this phenomenon but, so far, no study investigated the proximate mechanisms underlying rut-induced hypophagia in ungulates using alternative mating tactics (AMTs). Between the pre-rut and post-rut of 2011 and 2012, we collected data on activity budgets, parasite burden and androgen levels of territorial and non-territorial male Alpine chamois Rupicapra r. rupicapra in the Gran Paradiso National Park (Italy). We aimed to investigate whether AMTs showed similar reduction in time spent foraging during the mating period and to test the predictions underlying alternative hypotheses that may explain rut-induced hypophagia. Only territorial males showed a significant reduction in time spent foraging during the rut; the lack of correlation between proportion of time spent foraging and androgen metabolites or parasite burden did not fully support the physiological and the parasite hypotheses, while the foraging constraint, the energy-saving and the physical rest hypotheses could not be discounted. Territorial males decreased the time spent lying down from the pre-rut to the rut, but not their foraging-to-lying-down ratio. During the mating period, we found negative correlations between time spent foraging or lying down and time spent rutting. Our data suggest that territorial males' behaviour is more consistent with the foraging constraint hypothesis than with the energy-saving hypothesis previously suggested. Yet, during the rut territorial males did not maximise their foraging time, and the optimisation of their energy balance could rather depend upon feeding on relatively high-quality plants. This suggestion -possibly named 'forage quality hypothesis' -now requires further investigations. This work showed that alternative mating behaviours may underlie different patterns of foraging strategies: we suggest that tests of alternative hypotheses to explain rut-induced hypophagia within ungulate populations should not ignore the occurrence of AMTs.

show abstract

Revision of chamois infection by lung nematodes under ecological conditions of national parks of Slovakia with respect to ongoing global climate changes

Cited by 6 publications

References 14 publications

Parasitism and alternative reproductive tactics in Northern chamois

Parasitism and alternative reproductive tactics in Northern chamois

Pilot research on gastrointestinal parasites of the Tatra chamois (<i>Rupicapra rupicapra tatrica</i>)

Contrasting Alternative Hypotheses to Explain Rut‐Induced Hypophagia in Territorial Male Chamois

Contact Info

Product

Resources

About