Articles tagged with Dogs
Researchers at Texas A">&M found that dogs with meningiomas live longer with radiation therapy than surgery. Radiation nearly doubles average survival time in dogs with brain tumors, while surgery had an average of about 10 months.
A new study published in Scientific Reports reveals that audio quality severely affects dogs' ability to recognize and respond to recorded words. Dogs excelled at responding to direct human speech, but struggled with AIC buttons, which lost frequencies necessary for conveying human speech.
Scientists at Cornell University and Washington University found that selective breeding of domesticated cat and dog breeds has led to remarkable similarities in skull shape, including brachycephalic breeds. This phenomenon, known as convergence, has occurred within each species and between them, with flat faces and tilted muzzles.
A study found that dog owners rate their bond as the most satisfying, with dogs scoring high in nurturing and relationship security. However, there is a power imbalance towards the owner, with full control over the dog's decisions.
A study found that UK dog populations decreased by 0.9% annually from 1990 to 2021, with a rise in crossbreed and imported dogs. The research highlights concerns about inherited diseases due to limited genetic diversity in pedigree breeds.
A new brain imaging study found that age and brain shape significantly impact the strength of connections between olfactory brain regions in dogs. Younger dogs and those with elongated brains had stronger functional connectivities, while older dogs and rounder-headed individuals performed worse in smell tests.
Researchers found a strong correlation between the occurrence of dog and human valley fever cases. The study mapped positive results by location, showing valley fever spread from 2.4% of U.S. counties to 12.4% in 2022.
A new study found that more 'optimistic' medical detection dogs performed better overall on detection tasks, while 'pessimistic' dogs had higher scent detection specificity. The researchers suggest that judgment bias testing could be a screening tool for potential detection dogs.
New research found pet dogs disturb and directly harm wildlife, even when leashed, leading to reduced animal activity and avoided areas. Dog waste contributes to water pollution and inhibits plant growth.
Researchers at Texas A&M University found age and fecal score to be important factors for screening kennel-housed dogs for subclinical Giardia infections. Kennel-housed dogs under 18 months old were more likely to test positive, while hard stool was associated with negative test status.
The American Heart Association invites communities nationwide to walk together on National Walking Day to break the cycle of sedentary behavior. Regular walking can improve both physical and mental well-being, even in small steps.
New study finds park entrances in Dublin, Ireland, to be heavily contaminated with infective Toxocara canis eggs, posing a risk of zoonotic infection. The researchers call for increased measures to prevent dog feces disposal at these locations.
Research suggests that dog ownership is connected to declining birth rates, as people turn to dogs for emotional support and companionship. The theory proposes that the popularity of dogs is rooted in biological evolutionary causes, but has culturally escalated as human relationships are often damaged or absent.
Researchers are analyzing volatile chemicals emitted from grape leaves infected by a fungus called powdery mildew to improve training for vineyard canines. The study aims to identify key odor molecules that trigger the response in dogs, enabling more sensitive and accurate mildew identification.
A new study suggests that paricalcitol may help manage chronic kidney disease (CKD) in dogs by reducing renal secondary hyperparathyroidism and proteinuria. The treatment showed promise in stabilizing proteinuria, but raised questions about potential long-term effects on CKD progression.
A study by Washington State University found that therapy cats exhibit similar behavioral traits to therapy dogs, such as high sociability and attention-seeking. The research suggests that expanding AAS programs to include felines could make therapy more accessible to a wider range of people.
A Bar-Ilan University study investigates brain activity of dogs during scent detection, unveiling crucial insights into their remarkable olfactory capabilities. The findings highlight the emotional and memory-related aspects of odor processing, particularly in the amygdala region.
New research from Arizona State University reveals that humans often misunderstand their pet's emotional state and base it on the context of the event. The study found that people rely on external factors rather than observing the dog's behavior, leading to a deeper misunderstanding of canine emotions.
Researchers found that dogs carrying the genetic variant DENND1B had higher body fat content, while humans also carry this gene linked to obesity. The study highlights the importance of fundamental brain pathways in regulating appetite and body weight.
The study emphasizes the importance of awareness in preventing Rocky Mountain spotted fever. Veterinarians and doctors must learn to recognize symptoms, understand treatments, and prescribe antibiotics like doxycycline to prevent death and severe illness.
First-year college students who interacted with therapy dogs on campus experienced lower stress and depression levels, increased self-compassion, and improved mental well-being. The study suggests that unstructured access to therapy dogs can provide sustained mental health benefits.
A new study highlights the effectiveness of detector dogs in mitigating biosecurity risks posed by air passengers. The research found that dogs were particularly effective in detecting undeclared materials, including items linked to fruit fly outbreaks.
Researchers found that pandemic puppies, bought during the COVID-19 pandemic, had a greater burden of dog ownership, with higher costs and emotional challenges. Owners who reported problem behaviors, such as separation anxiety or aggression, also experienced a greater burden.
A study by Eötvös Loránd University found that Border Collies excelled in a simple olfactory task, beating breeds like Golden Retrievers and Hungarian Vizslas. The research revealed that genetic and environmental factors influence dogs' success in scent detection, contrary to expectations.
A new study analyzed 100 cases of Florida spot keratopathy (FSK), a condition characterized by white spots on the cornea. The research found that FSK is typically stable and does not significantly affect vision or quality of life, but may be linked to exposure to little fire ants.
A new study by Nicholas Hebdon and Lindsay Waldrop found substantial overlap in skull shapes across dog breeds and functional categories, challenging the prevailing belief that certain breeds are inherently superior at specific tasks. The researchers discovered no clear evidence of morphological specialization for bite work or scent work.
A study found that working sled dogs take a day to adjust to the change in routine caused by Daylight Savings Time, whereas pet dogs and their owners show no significant changes. Older pet dogs are less active on the first morning after the time shift.
Researchers in Montana used drones to haze grizzly bears away from towns, homes, and livestock. The results showed that the technology was effective at moving bears away from desirable areas, but not necessarily teaching them to avoid humans long-term.
Researchers at the University of Florida have identified a crucial link between a gene mutation and immune system signaling in canine hemangiosarcoma, a potentially life-threatening condition. The study findings reveal an important discovery about how this cancer grows and spreads, providing new insights for novel therapies.
Dog owners cite emotional, physical, and social benefits of dog ownership, but also costly responsibilities. While daily life benefits include improved exercise and stability, the biggest cost is often cited as veterinary expenses.
A new study from Trinity College Dublin reveals that regular dog walking is associated with improved mobility, reduced fear of falling, and a lower likelihood of unexplained falls. The study, based on TILDA data, highlights the potential benefits of this simple activity for older adults.
A small preliminary study reveals that fearful dog microbiomes differ significantly from those of non-fearful dogs. These findings suggest a possible link between the gut and brain, potentially influencing fear behaviors.
A new study explores how city life is influencing the evolution of urban coyotes, revealing genetic changes related to diet, health, thermoregulation, behavior, cognition, and reproduction. The research also highlights the challenges of studying urban coyotes, which are increasingly common in urban areas throughout the US.
Researchers analyzed DNA of Chornobyl City and NPP dogs to detect genetic mutations, finding none despite long-term exposure to radiation and other toxins. The study implies that low-level environmental contamination could explain genetic differences between the two dog populations.
New research reveals widespread resistance to benzimidazole-based dewormers among canine hookworms in Australia. This increases the risk of gastrointestinal parasites, anaemia, diarrhea, and malnutrition in dogs, as well as cutaneous larva migrans disease in humans.
A study found that dogs were more effective than humans at detecting egg masses of invasive spotted lanternflies in forested areas near vineyards. In contrast, people spotted the egg masses better in vineyards. The trained dogs had a higher detection rate in forests due to their sense of smell.
Researchers at Tel Aviv University discovered the brain actively prevents learning both types of memory, leading to confusion. The brain prioritizes one type of learning over the other using a strategy to resolve conflicts.
Researchers at Eötvös Loránd University found that dogs can recognize their owners based on pre-recorded speech, demonstrating an ability to discriminate between familiar voices. Dogs performed well in matching the correct owner with their voice, with performance best when hearing their main owner's voice.
A new study from UC San Diego reveals that dogs trained on soundboards can make deliberate two-word button combinations to express their needs and desires. The research found that these sequences are not random but rather reflect specific requests, such as accessing the outdoors or obtaining treats.
A new study led by University of Arizona researcher François Lanoë reveals that Indigenous people in the Americas interacted with early dogs and wolves as far back as 12,000 years ago. The discovery sheds light on how long humans have had relationships with the ancestors of today's dogs.
A new study finds that Enterococcus faecalis produces protective capsular slime when present with certain strains of pathogenic Escherichia coli, making E. coli more resistant in low-iron environments. This discovery could lead to the development of targeted therapies for specific dog and poultry infections.
In a new study, researchers found that dogs prefer texture to shape when identifying objects, suggesting a reliance on tactile cues. The study involved 35 dogs trained to fetch objects and presented with choices between similar shapes or textures.
Research found that dog owners attribute various roles to their pets, including friend, family member, child, colleague, or security guard. The study identified three distinct owner profiles with different dog roles and characteristics, which may impact daily life and canine welfare.
A new international canine gene research database has been developed, covering over 100 different tissues and enhancing understanding of hereditary diseases. The database provides a comprehensive resource for studying gene expression in various tissues and prioritizing hereditary factors related to diseases.
A study at the University of Jyväskylä found that dog and owner heart rates synchronize during interaction, reflecting emotional state. The connection suggests a strong bond between species.
A machine learning algorithm developed by University of Cambridge researchers can detect and grade heart murmurs in dogs with high accuracy, similar to expert cardiologists. The technology has the potential to empower primary care veterinarians to provide early detection and treatment, improving quality of life for dogs.
A team from UNIGE analyzed the formation of grooves in dog noses using 3D imaging and computer simulations. They found that differential growth of skin tissue layers leads to the formation of domes, supported by blood vessels.
A recent study by Imperial College London has found that dogs swimming in contaminated ponds are releasing harmful levels of two pesticide medications. The chemicals, imidacloprid and fipronil, were used as flea and tick treatments for cats and dogs, posing a significant threat to aquatic life.
Researchers found that dogs slow down their speech rate when addressed by humans, while humans' speech rhythms meet in the middle. Dogs process human language only within the delta band (1-3 Hz) and with phonological content, debunking myths about prosody sensitivity.
Researchers at Baylor University found that coyotes possess a well-developed muscle for raising their inner eyebrow, similar to dogs, contradicting the idea that this feature evolved specifically during domestication. The study suggests that 'puppy dog eyes' may be an ancestral trait shared by multiple species in the Canis genus.
Researchers found that humans slow their speech when talking to dogs to match the pets' receptive abilities, allowing for better understanding of commands. The study also revealed that dogs respond well to slower tempos and prosody in human speech.
Researchers developed a frailty screening questionnaire that predicts short-term mortality in dogs aged 10 and older. The tool, combined with veterinarian assessments of body and muscle condition, is a simple yet effective predictor of canine frailty.
Researchers found that dogs trained to detect explosives are less sensitive in extreme temperature and humidity conditions, leading to longer detection times. This study highlights the importance of considering environmental factors when training dogs for explosive detection tasks.
New research reveals ancient dingo fossils are most similar to Japanese dogs, 'singing dogs' of New Guinea, and highland wild dog of Irian Jaya. Modern dingoes have evolved to become larger and leaner over 3,000 years.
A pilot study by Ohio State University Wexner Medical Center found that therapy dog interactions increased self-reported positive mood nearly doubling among healthcare workers. The program improved work engagement and reduced emotional exhaustion, burnout, and stress among staff.
A massive genomic survey reveals two distinct lineages of Arctic canids that originated in the northeastern Siberian Arctic generations earlier than thought. Approximately half of all Siberian huskies bred for racing have introgression with European breeds.
New research reveals that human-dog interactions synchronize brain activity, particularly in the frontal and parietal regions. Dogs with autism-associated genetic mutations show reduced synchronization, but treatment with LSD reverses this effect.
A new study reveals that Gifted Word Learner dogs can remember toy names for at least two years, with an average correct choice rate of 44% compared to chance level. The researchers tested the dogs after a two-year wait and found that four out of five dogs remembered between 60-75% of the toys.
The study found that senior dog quality of life decline is linked to higher mortality rates when scores fall below 76% of the maximum. Many older dogs still have high quality of life despite predicted lifespan, indicating individual variability.
A study published in PLOS ONE found that 4 in 10 cat owners report their feline companions playing fetch, while 78% of dog owners say their canine friends engage in the behavior. The research also highlights differences in fetching behavior between breeds and demographic factors.