Articles tagged with Dogs
A new study found that dogs adopted from shelters can exhibit a range of behavioral changes, including aggression and separation-related problems. However, despite these challenges, owners tend to be highly satisfied with their pets, with 93.7% rating their dog's behavior as excellent or good.
A new study published in Genome Biology analyzed the genomes of 2000 dogs from 321 breeds, revealing 25 major groups that match expected breed origins. The research found significant genetic variation among breeds, with wolves exhibiting 14% more variation than dogs.
A new study found that nearly half of dog owners in the US hold negative views about vaccinating their pets, citing safety and efficacy concerns. This hesitancy is linked to public mistrust in human vaccines during the pandemic, posing serious public health implications for both animals and humans.
A study found that veterinary students' attitudes towards dog breeds' pain sensitivity and trustworthiness change as they progress through their coursework, becoming more in line with those of practicing clinicians. The study suggests that cultural transmission, not just data transmission, plays a role in shaping these attitudes.
Researchers identified common bladder cancer-related mutations across species, including TP53, FAT1, and NRAS in cats, and ARID1A and KDM6A in dogs. This study provides insights into human MIBC and aids understanding of bladder cancer biology across species.
A study found that dogs are more sensitive to speech directed at them than adult-directed speech, with a greater response to female voices. The researchers measured dog brain activity via fMRI and found that the sensitivity was affected by voice pitch and variation.
A team of scientists has generated and analysed 2000 canine genomes, creating a toolkit for answering complex biological questions. The study reveals genetic diversity in breed morphology, behaviour, and disease susceptibility, as well as the structure of the genome.
Despite increased problem behaviors like stranger aggression and training problems, shelter dog owners reported high satisfaction rates of 94% due to improved behavior over time. Owners also noted a decrease in separation-related behaviors as their dogs became more assured of return home.
A new Australian study found that human DNA can be retrieved from all areas of dog samples, with higher amounts found on the head and back. The research suggests using DNA evidence from dogs in police investigations involving animals, expanding knowledge about human DNA transfer to pets.
Researchers at George Washington University found that dogs with plain faces are more expressive in their interactions with humans. The study, which analyzed over 100 dog participants, suggests that people can better understand a dog's level of expressivity if their dog has a simpler face.
Researchers have identified podoplanin as a key protein driving the spread of mucosal melanoma, a rare and aggressive form of skin cancer. Eliminating this protein could lead to a potential treatment through antibody therapy, offering hope for patients with this devastating disease.
A study published in PLOS ONE found that children's ability to recognize dog emotions, especially aggression, improves with age. Four-year-olds were less able to recognize aggressive dog expressions than six-year-olds and adults. As children grow older and gain experience with dogs, they become better at reading canine facial expressions.
A recent study analyzing over 2 million UK dogs found that mixed-breed, Labrador retrievers, and Jack Russell terriers are the most common breeds. Meanwhile, flat-faced breeds like French bulldogs and pugs increased health risks, with predictions of a canine healthcare crisis in the UK.
Research review finds scent dogs can successfully sniff out COVID-19 in symptomatic, pre-symptomatic, and asymptomatic cases, as well as new variants and long COVID. Scent dogs demonstrate similar or better sensitivity and specificity than current gold-standard tests.
Researchers found osteochondrosis dissecans in fossil bones of Ice Age predators, with an incidence as high as 7% in shoulder and knee joints. The study suggests dwindling populations may have contributed to the disease's prevalence in these ancient species.
A recent study reveals that village dogs can decipher subtle human communicative cues, including facial expressions. The research found that both village and pet dogs exhibited aversive gazes towards angry but not happy expressions.
Researchers found real breed differences in pain sensitivity thresholds, contradicting veterinarian rankings. The study suggests biological and behavioral factors influence pain tolerance, highlighting the need for individualized treatment approaches.
Researchers at North Carolina State University discovered that slower gait speeds in older dogs are linked to increased cognitive decline and dementia. The study measured gait speed on and off leash in senior dogs and found a significant correlation between walking speed and cognitive performance.
A recent study by researchers at the University of Vienna found that dogs and humans have brain regions specialized in perceiving body postures, similar to those found in humans. The study used magnetic resonance imaging (MRI) to compare the brains of 40 human participants with 15 pet dogs.
Researchers found that cooperative dog breeds outperformed independent ones when watching a human demonstrator in the 'V-shaped fence detour' task. The study highlights the role of functional breed selection in dogs' social learning skills, shedding light on elements of dog-human cooperation.
A study published in Cancers found that a combination of radiotherapy followed by immunotherapy is effective against oral malignant melanomas in dogs. The treatment strategy increased overall survival time compared to immunotherapy alone. Researchers are now exploring the optimal protocol for this therapy to increase its effectiveness.
Research found dog bite incidence increases by 11% on hot days with high UV levels and by 4% on warm days, but no association with air pollution. Further research is needed to confirm these findings.
A new method for diagnosing sleep-disordered breathing in dogs has been developed, revealing that brachycephalic breeds are more susceptible to the condition due to their shorter snouts. The study used a neckband system to measure breathing during sleep and found a higher number of events in short-snouted dogs.
A large survey of over 21,000 dog owners reveals that a dog's social support network is tied to better health outcomes, with financial factors having a lesser effect. The study found that dogs living in households with more children or wealthier owners were less healthy, while those with more social companionship were healthier.
A trained detection dog can find great crested newts even through soil and at a distance, potentially aiding critical conservation efforts. The study, published in PLOS ONE, found the dog achieved an 87% success rate in detecting the species across various environmental conditions.
Research found that flat-faced dog enthusiasts tend to be sociable, empathetic, and unaware of the dogs' health signals, considering health problems as normal breed characteristics. This study highlights the need to educate dog owners about the importance of health issues being abnormal and unacceptable.
Researchers surveyed medical staff at a large Japanese children's hospital about their experiences with full-time hospital facility dogs, finding that they improve terminal care and patient cooperation. The study also reveals that HFDs help staff manage workload and encourage children to express themselves more.
Researchers at the University of Helsinki found that breed, age, and puppyhood socialization significantly impact dog personality. Socialisation in puppyhood was associated with lower insecurity and aggressiveness/dominance, while older dogs showed higher training focus.
A recent study on canine brain networks has provided insights into the evolution of human brain function, revealing that the cingulate cortex played a central role in mammalian brain development. The research used fMRI to analyze brain activity in dogs and identified functional networks that differ from those in humans.
Researchers found that modern dog breeds, which are genetically more distant from wolves, have relatively larger brain sizes compared to ancient breeds. This increase in brain size cannot be attributed to the roles or life history characteristics of the breeds.
A recent study published in PLOS ONE found that pregnant and lactating dogs share similarities in certain blood metabolites with human pregnancy, including glucose and fatty acid concentrations. The research analyzed 27 dogs from 21 breeds and discovered intriguing correlations between canine metabolism and human physiological processes.
Researchers analyzed 90 samples of raw pheasant dog food and found that 77% exceeded the maximum residue level for lead in animal feed. The mean lead concentration was 34 times higher than in human-consumed pheasant meat, posing health risks to dogs, especially puppies.
Dogs with canine cognitive dysfunction syndrome (CCDS) display altered brain wave activity during sleep, including reduced slow-wave sleep and increased fast beta waves. This research builds on human studies linking disrupted sleep patterns to cognitive decline in Alzheimer's patients.
A new study by North Carolina State University researchers used EEGs on elderly dogs to determine whether brain-wave readings during sleep correlated with signs of cognitive decline. The study found that dogs with more advanced dementia suffered from more sleep disruptions and slept less overall than dogs with normal cognitive function.
Researchers have analyzed DNA samples from over 50 institutions, including Balto at the Cleveland Museum of Natural History, to shed light on extraordinary feats in mammals. The study has identified unchanged DNA across millions of years of evolution and pinpointed genetic variants associated with rare human diseases.
The study of Balto's genome provides new insights into the genetics of working dogs, revealing they were more genetically diverse and healthier than modern breeds. The analysis also identified beneficial adaptations in genes related to physical traits such as weight and skin thickness.
A Cornell University-led project has reconstructed Balto's phenotype using ancient DNA extraction and analysis. The research reveals that Balto had a genetically healthier and less inbred lineage than modern breeds, with characteristics adapted to the extreme environment of 1920s Alaska.
A new analysis suggests that US dog and cat owners experienced greater reductions in stress and loneliness during the reopening period, while cat owners showed more stress and loneliness. The study also found that pet ownership was linked to less loneliness related to romantic relationships.
Researchers have discovered a new genetic culprit in canine bladder cancers, with implications for early detection and targeted treatments. The study found that 13 out of 28 cases had a different type of mutation, which could lead to more precise treatment options.
A new study finds that economic growth is insufficient to eliminate dog-mediated rabies, highlighting the need for targeted interventions such as improved pet ownership and education in vulnerable communities. The research uses data from over 100 countries to show a strong association between poverty and higher death rates from rabies.
A Portuguese study found that six pets in Portugal and one in the UK carried antibiotic-resistant bacteria similar to those found in their owners. The researchers emphasize the importance of including pet-owning households in programs to reduce antimicrobial resistance. Owners can reduce the spread by practicing good hygiene.
A group led by Virginia Tech's Audrey Ruple developed the PetSORT guidelines to standardize reporting in clinical trials involving dogs and cats. The guidelines address methodological features often missing from reported trials, which can affect meta-analysis results.
A new study in Human-Animal Interactions found that young dog owners prefer proactive coping styles when dealing with undesired behavior. The severity of behavioral issues was associated with the strength of emotions in response, with more severe issues eliciting intense emotions.
A team led by Bill Ballard has published a new study in GigaScience to propose Cooinda, an Alpine dingo, as the model specimen to represent a typical dingo. The study presents genomic and brain imaging data that sheds light on the evolutionary history of dingoes and their domestication process.
A study of over 65,000 Japanese infants found that those exposed to indoor pets during fetal development or early infancy had fewer food allergies. Children exposed to indoor dogs and cats were significantly less likely to experience specific allergies, while hamster exposure unexpectedly increased the incidence of nut allergies.
A global study found that dogs' functions are a good predictor of how they are treated by their owners, with more functions leading to closer relationships. The research also found that not all dog jobs influence treatment equally, with herding increasing positive care and hunting increasing personhood.
A University of Illinois study finds that two human-grade vegan diets provide adequate nutrition for dogs, with benefits including lower blood triglycerides and cholesterol. The research also shows positive changes in the fecal microbiome and reduced stool, indicating a potential shift towards improved gut health.
A new study from PetDx shows OncoK9 performs similarly to its landmark clinical validation study in real-world settings, detecting 26 types of cancer in high-risk dogs. The test also provides peace of mind for veterinarians and families by detecting cancer in over 94% of negative cases.
A research review found that COVID-19 lacks canine data, fueling concerns about the risk of pet animals serving as virus reservoirs. The lack of testing has made it difficult to understand the susceptibility of dogs to the new variants.
A study of over 2,800 hospital patients and their companion animals found that sharing multidrug-resistant organisms (MDROs) between pets and owners is possible. However, the rate of MDRO transmission from pets to humans was very low, suggesting that neither cat nor dog ownership is a major risk factor for hospital-acquired infections.
Researchers found that dogs with anxiety have altered brain connectivity, particularly between the amygdala and hippocampus. The study used fMRI to characterize abnormal neural networks in anxious dogs, providing insight into anxiety disorders in both animals and humans.
Researchers at the University of Bern have determined the structure of the canine distemper virus docking protein, enabling the development of tailor-made active substances to prevent virus entry into host cells. This breakthrough paves the way for novel therapies and antiviral drugs against this highly contagious viral disease.
Researchers studied genetic differences between two Chornobyl dog populations living near the nuclear power plant and 16.5 km away. They found significant genetic distinctions, with 391 outlier regions indicating potential genetic repair mechanisms. The study may provide insights into human adaptability to environmental disasters.
A study published in PLOS ONE analyzed a Bronze Age debris deposit in Mycenae, Greece, revealing the types of animals that lived there and how they were used as a source of subsistence. The analysis of animal remains and associated artifacts provides clues to the social dynamics of ancient settlements and responses to natural disasters.
A new Australian study found that assistance dogs used in conjunction with traditional therapies provide the most effective treatment outcomes for defence veterans' mental health. Almost 90% of veterans reported improvements in post-traumatic stress, depression, and anxiety after being matched with an assistance dog.
Researchers confirmed the first cases of canine distemper virus in tigers and leopards in Nepal, which can cause fatal neurological disease. The study found that 11% of tigers and 30% of leopards had antibodies to CDV, indicating prior infection with the virus.
A study found that dog puppies but not kittens and wolf pups spontaneously imitate human actions, even when unrewarded. The researchers believe this can inform novel training methods less dependent on food rewards.
A new genetic test can identify dogs at risk of a potentially deadly disorder resulting in excessive bleeding and bruising after surgical procedures. The DEPOHGEN test will allow for preventative treatment by administering antifibrinolytic drugs to dogs with the mutation before surgery.
Research published in Scientific Reports found that dogs fed non-processed meat-based diets and human leftovers during puppyhood and adolescence were less likely to experience gastrointestinal disorders later in life. This suggests that providing puppies with a variety of whole foods early on may reduce the risk of future digestive iss...
Researchers at the University of Pennsylvania's Working Dog Center trained dogs to distinguish between healthy and diseased deer feces. The dogs showed great specificity in detecting CWD-positive samples, suggesting a potential asset in managing the highly contagious disease.