Results 1 to 10 of about 524 (172)

Phenological drivers of ungulate migration in South America: characterizing the movement and seasonal habitat use of guanacos [PDF]

Movement Ecology, 2022
Background Migration is a widespread strategy among ungulates to cope with seasonality. Phenology, especially in seasonally snow-covered landscapes featuring “white waves” of snow accumulation and “green waves” of plant green-up, is a phenomenon that ...
Emiliano Donadio, Jonathan N Pauli, Pauli Jonathan N   +2 more
exaly   +3 more sources

Molecular and morphological characteristics of <i>Trichuris tenuis</i> from South American Camelids bred in Europe. [PDF]

Front Vet Sci
BackgroundThe intestinal nematode Trichuris tenuis Chandler, 1930 is an important parasite associated with South American Camelids (SAC). To date, the species T. tenuis has been characterized solely based on morphology.
Rejnková S, Daněk O, Máca O, Modrý D, Hrabětová V, Veneziano V, Castaldo E, Oros M, Patoka J, Čadková Z, Jankovská I, Neradilová S, Kotrba R, Ptáček M, Langrová I.   +14 more
europepmc   +2 more sources

Summer Diet of Horses (Equus ferus caballus Linn.), Guanacos (Lama guanicoe Müller), and European Brown Hares (Lepus europaeus Pallas) in the High Andean Range of the Coquimbo Region, Chile. [PDF]

Animals (Basel), 2021
For an adequate management of natural grasslands, the knowledge and understanding of the dietary habits of herbivores and their trophic interactions are fundamental. During two summer seasons, in a mountain range of a sector of the Coquimbo Region, Chile,
Castellaro G, Orellana CL, Escanilla JP.
europepmc   +2 more sources

Sarcoptic mange outbreak decimates South American wild camelid populations in San Guillermo National Park, Argentina. [PDF]

PLoS One, 2022
Sarcoptic mange epidemics can devastate wildlife populations. In 2014, mange was first detected in vicuñas (Vicugna vicugna) and guanacos (Lama guanicoe) in San Guillermo National Park (SGNP), Argentina.
Ferreyra HDV, Rudd J, Foley J, Vanstreels RET, Martín AM, Donadio E, Uhart MM.   +6 more
europepmc   +3 more sources

Conflict between Farmers and Guanacos (Lama guanicoe cacsilensis): Field Surveys, Remote Sensing, and Interviews Provide Information for Conservation of a Critically Endangered Species in Southern Peru. [PDF]

Animals (Basel)
The Peruvian guanaco (Lama guanicoe cacsilensis) is classified as being “in critical danger of extinction” by the government. In this study, we evaluate how the conflict between farmers and guanacos in the Susapaya and Estique Districts, Tacna Department
Castillo-Doloriert H, Velasquez D, Matsuno Y, Hoces D, Wheeler JC.   +4 more
europepmc   +2 more sources

Choosing what is left: the spatial structure of a wild herbivore population within a livestock-dominated landscape. [PDF]

PeerJ, 2020
Shrublands and grasslands comprise over 30% of the land surface and are among the most exploited ecosystems for livestock production. Across natural landscapes, the distribution and abundance of wild herbivores are affected by interspecific competition ...
Antún M, Baldi R.
europepmc   +3 more sources

Bluetongue Virus Serotype 3 Follow-Up of the 2024 Outbreak in Two Belgian Zoos. [PDF]

Transbound Emerg Dis
In summer 2024, Western Europe experienced extensive outbreaks of bluetongue virus Serotype 3 (BTV‐3), a Culicoides‐borne orbivirus. Clinical disease was first detected in August 2024 in one of two Belgian zoos, predominantly affecting European bison (Bison bonasus) and American bison (Bison bison).
Spruyt J, Van Mulders L, De Leeuw I, De Regge N, Beci B, Vercammen F.   +5 more
europepmc   +2 more sources

History of canids in Chile and impacts on prey adaptations. [PDF]

Ecol Evol, 2021
Artiodactyl prey species of Chile, especially guanacos (Lama guanicoe), are reported to be very susceptible to predation by pack‐hunting feral dogs. It has been previously suggested that guanacos and endemic South American deer may have evolved in the ...
Silva Rochefort B, Root-Bernstein M.
europepmc   +2 more sources

Past and Recent Effects of Livestock Activity on the Genetic Diversity and Population Structure of Native Guanaco Populations of Arid Patagonia. [PDF]

Animals (Basel), 2021
Extensive livestock production and urbanization entail modifications of natural landscapes, including installation of fences, development of agriculture, urbanization of natural areas, and construction of roads and infrastructure that, together, impact ...
Mesas A, Baldi R, González BA, Burgi V, Chávez A, Johnson WE, Marín JC.   +6 more
europepmc   +2 more sources

Prevalence study of <i>Echinococcus granulosus</i> in guanaco (<i>Lama guanicoe</i>) from the Chilean Patagonia unexpectedly reveals the southernmost limit of <i>Taenia omissa</i>. [PDF]

Parasitology
This study presents the first detection of Taenia omissa metacestodes in guanaco (Lama guanicoe) within the Chilean Patagonia, marking the southernmost record of natural infection in an intermediate host on the continent.
Alvarez Rojas CA, Alvarez JF, Iglesias J, Koehler AV, Bonacic C.   +4 more
europepmc   +2 more sources