نتایج جستجو برای: red deer algorithm

تعداد نتایج: 906783  

Journal: :Biology letters 2007
Benjamin D Charlton David Reby Karen McComb

Surprisingly little is known about the role of acoustic cues in mammal female mate choice. Here, we examine the response of female red deer (Cervus elaphus) to male roars in which an acoustic cue to body size, the formants, has been re-scaled to simulate different size callers. Our results show that oestrous red deer hinds prefer roars simulating larger callers and constitute the first evidence...

2013
Nataša Knap Tatjana Avšič-Županc

Tick-borne encephalitis (TBE) is a virus infection which sometimes causes human disease. The TBE virus is found in ticks and certain vertebrate tick hosts in restricted endemic localities termed TBE foci. The formation of natural foci is a combination of several factors: the vectors, a suitable and numerous enough number of hosts and in a habitat with suitable vegetation and climate. The presen...

Journal: :Polish journal of veterinary sciences 2014
A M Pyziel A W Demiaszkiewicz I Kuligowska

The study was conducted in 2012-2013 on 75 fecal samples of red deer from the Lower Silesian Wilderness which were examined to determine the prevalence of Fascioloides magna in the game population. Finding liver fluke eggs in a single sample which were larger in size than Fasciola hepatica eggs indicated that further molecular analysis was necessarily. The partial sequence (116 bp long) of ITS-...

Journal: :The Canadian veterinary journal = La revue veterinaire canadienne 2010
Aru Balachandran Noel P Harrington James Algire Andrei Soutyrine Terry R Spraker Martin Jeffrey Lorenzo González Katherine I O'Rourke

Chronic wasting disease (CWD), an important emerging prion disease of cervids, is readily transmitted by intracerebral or oral inoculation from deer-to-deer and elk-to-elk, suggesting the latter is a natural route of exposure. Studies of host range susceptibility to oral infection, particularly of those species found in habitats where CWD currently exists are imperative. This report describes t...

Journal: :Epidemiology and infection 2013
S Joutsen E Sarno M Fredriksson-Ahomaa N Cernela R Stephan

Occurrence of Yersinia spp. in wild ruminants was studied and the strains were characterized to get more information on the epidemiology of enteropathogenic Yersinia in the wildlife. In total, faecal samples of 77 red deer, 60 chamois, 55 roe deer and 27 alpine ibex were collected during 3 months of the hunting season in 2011. The most frequently identified species was Y. enterocolitica found i...

2016
Zbigniew Borowski Magdalena Świsłocka Maciej Matosiuk Paweł Mirski Kamil Krysiuk Magdalena Czajkowska Anetta Borkowska Mirosław Ratkiewicz

The trajectories of postglacial range expansions, the occurrence of lineage patches and the formation and maintenance of secondary contact between lineages may mostly reflect neutral demographic processes, including density blocking, that may leave long-lasting genetic signatures. However, a few studies have recently shown that climate may also play a role. We used red deer, a large, mobile her...

Journal: :Journal of animal science 2012
J Bartošová L Bartoš R Kotrba F Ceacero

Stressful manipulation by humans has been previously shown to result in opening the pre-orbital gland of the newborn red deer. We hypothesized that exposure of red deer to stressful handling would result in opening the pre-orbital gland. Further, we tested the potential factors associated with pre-orbital opening, including season, sex, age and struggling behavior. Pre-orbital gland status was ...

Journal: :Veterinary parasitology 2006
C B L Gauss J P Dubey D Vidal O Cabezón F Ruiz-Fons J Vicente I Marco S Lavin C Gortazar S Almería

Serum samples from 441 red deer (Cervus elaphus) and 161 other wild ruminant species, collected between 1993 and 2005 from six regions of Spain were tested for antibodies against Toxoplasma gondii by the modified agglutination test (MAT). Antibodies to T. gondii (MAT 1:25 or higher) were detected in 15.6% of red deer. Statistically significant differences were observed among sampling sites with...

Journal: :PLoS ONE 2008
Christian Gortázar María José Torres Joaquín Vicente Pelayo Acevedo Manuel Reglero José de la Fuente Juan José Negro Javier Aznar-Martín

Doñana National Park (DNP) in southern Spain is a UNESCO Biosphere Reserve where commercial hunting and wildlife artificial feeding do not take place and traditional cattle husbandry still exists. Herein, we hypothesized that Mycobacterium bovis infection prevalence in wild ungulates will depend on host ecology and that variation in prevalence will reflect variation in the interaction between h...

2015
Michał Skibniewski Ewa M. Skibniewska Tadeusz Kośla

The aim of this study was to evaluate the concentrations of Pb, Cu, Zn, Rb, Cs, Sr and Ba in the muscles of red deer that were hunted in two regions of Poland (south-western and north-eastern). The data obtained were evaluated with regards to benefits and potential risk to consumers' health. Samples for the investigations were collected in 2008 and 2009 from 50 female red deer, and the metal co...

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