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Variations in Canine Behavioural Characteristics across Conventional Breed Clusters and Most Common Breed-Based Public Stereotypes.
Animals (Basel)
September 2024
Workplace of Applied Ethology and Professional Ethics, Department of Public Veterinary Medicine and Animal Welfare, University of Veterinary Medicine and Pharmacy, Komenského 73, 04181 Košice, Slovakia.
Dog breeds are grouped based on scientific agreement, whether for traditional reasons or specific tasks during their domestication. Discrepancies may occur between public views of breed behaviour and actual evidence. This research aims to investigate differences in five behavioural traits (aggression towards people, aggression towards animals, fearfulness, responsiveness to training, and activity/excitability) by using the Dog Personality Questionnaire (DPQ) across six conventional groups/clusters of dog breeds (herding, hunting, guarding, companion dogs, potentially aggressive breeds, and mixed-breed dogs) and to assess hypotheses derived from common public presumptions.
View Article and Find Full Text PDFUse of long-term underwater camera surveillance to assess the effects of the largest Amazonian hydroelectric dam on fish communities.
Sci Rep
September 2024
Aquatic Ecology Group, Federal University of Pará (UFPA), Belém, PA, Brazil.
The increase in the construction of mega dams in tropical basins is considered a threat to freshwater fish diversity. Although difficult to detect in conventional monitoring programs, rheophilic species and those reliant on shallow habitats comprise a large proportion of fish diversity in tropical basins and are among the most sensitive species to hydropower impacts. We used Baited Remote Underwater Video (BRUV), an innovative, non-invasive sampling technique, to record the impacts caused by Belo Monte, the third largest hydropower project in the world, on fishes inhabiting fast waters in the Xingu River.
View Article and Find Full Text PDFShort communication: The orientation of cubicles plays a role - greater deviation from the north-south direction, more technopathies in dairy cows.
Animal
September 2024
University of Maribor, Faculty of Agriculture and Life Sciences, 2311 Hoče, Slovenia. Electronic address:
Article Synopsis
- Magnetic alignment (MA) is when animals, like cows, instinctively orient their bodies in a north-south direction, which has been linked to their well-being and behavior.
- Researchers hypothesized that misalignment of dairy cow resting areas could lead to an increase in technopathies, which are injuries or disorders caused by the environment.
- Findings showed that cows in north-south oriented cubicles had 30% fewer instances of technopathies and a 40% decrease in the number of conditions per cow compared to those in non-north-south aligned cubicles.
Detection of Hepatitis E Virus in Game Meat (Wild Boar) Supply Chain in Umbria Region, Central Italy.
Foods
August 2024
Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche "T. Rosati", 06126 Perugia, Italy.
Article Synopsis
- Consumption of raw or undercooked wild boar meat is a significant risk for hepatitis E virus (HEV) infection in humans, especially due to potential contamination during slaughtering.
- A study in Umbria, Italy, revealed that 10.8% of wild boar livers tested positive for HEV RNA, indicating a presence of infection in the region's wild boar population.
- The research also found that HEV contamination in muscle tissue occurred in 33% of positive livers and 14% of negative livers, highlighting the need for better hygiene practices in handling wild boar carcasses to protect consumers.
The origin, connectivity, and individual specialization of island wolves after deer extirpation.
Ecol Evol
April 2024
Department of Fisheries, Wildlife, and Conservation Sciences Oregon State University Corvallis Oregon USA.
Wolves are assumed to be ungulate obligates, however, a recently described pack on Pleasant Island, Alaska USA, is persisting on sea otters and other marine resources without ungulate prey, violating this long-held assumption. We address questions about these wolves regarding their origin and fate, degree of isolation, risk of inbreeding depression, and diet specialization by individual and sex. We applied DNA metabarcoding and genotyping by amplicon sequencing using 957 scats collected from 2016 to 2022, and reduced representation sequencing of tissue samples to establish a detailed understanding of Pleasant Island wolf ecology and compare them with adjacent mainland wolves.
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