Articles tagged with Dogs
A new study confirms dogs exhibit prosocial behavior, preferring to deliver treats to familiar partners. The complexity of the task influenced the frequency of food delivery, but social proximity played a significant role.
Researchers at the University of Rochester Medical Center have created two new live-attenuated vaccines against canine influenza viruses, which can be transmitted to humans. These vaccines provide better immune protection and longer periods of protection than existing inactivated vaccines.
Researchers developed novel brain-mapping techniques to identify subtle changes in skull and brain shapes, giving a greater insight into conditions. The study focused on Cavalier King Charles Spaniel breed and identified characteristics that cause painful Chiari malformation and Syringomyelia disorder.
A new study finds that a high-protein, low-carbohydrate diet in dogs significantly influences the balance of microbes in their gut. The research suggests that obesity and overweight dogs may be more susceptible to dietary interventions.
A new study found that vaccinating 200,000 stray dogs annually can reduce rabies incidence by 90% in Tamil Nadu, India, while costing approximately $1.27 million per year.
NASA's Hubble Space Telescope observes the small stellar galaxy NGC 4707, a loose spiral with undefined shape and central bulge, located 22 million light-years from Earth.
Researchers found that short-term feeding of canned dog food resulted in a significant increase in BPA concentrations in dogs. The study also identified gut microbiome and metabolic changes associated with exposure to BPA from canned foods, which could have implications for human health.
A team of researchers developed an artificial dog nose that mimics the 'active sniffing' of dogs, improving vapor detection by up to 16-fold. The technology uses fluid dynamics and entrainment to increase aerodynamic reach and sample vapors at increasingly large distances.
Researchers found that dogs can recall a person's complex actions, even when they don't expect to be tested. The study used the 'Do as I Do' training method to demonstrate this ability.
A neural circuit in the amygdala processes pain-related signals to set emotional memory strength and expectation levels. Disrupting this circuit can lead to hyper-emotional memories, such as those experienced by individuals with PTSD. The study suggests that similar circuits may perturb expectations in anxious people.
Researchers found that costly ecological impact assessments failed to protect bats from fatal collisions with spinning blades. The study highlights the challenge of establishing with certainty the effect of major developments before they occur.
Researchers used CT scans to investigate the origin of pre-mammalian therapsids' distinctive canines, finding they were not used for fighting but for display behavior. The study suggests sexual selection played a crucial role in the evolution of mammals, dating back 300 million years.
Researchers at Oregon State University have identified another bacterium that can cause symptoms similar to salmon poisoning in dogs, complicating the problem. The new discovery makes it clear that dogs are not immune to salmon poisoning after a single infection and treatment.
A WSU-led research team found that a commonly used rabies vaccine produces the same protective antibodies in dogs after being stored for six months at warmer temperatures. This could lead to improved vaccination coverage in hard-to-reach areas of Africa and Asia, reducing the likelihood of rabies returning to communities.
Research on dogs' cognition reveals their ability to comprehend human communicative cues and recognize individual faces, but also limited spatial memory and numerical discrimination. The field is still in its infancy, with more studies needed to examine individual variability and complex behaviors.
Researchers at Mizzou have identified a defect in the lower esophageal sphincter as a potential cause of megaesophagus, a devastating disease in dogs. A new treatment approach uses video fluoroscopic swallow studies and therapies like Botox to improve symptoms and quality of life for affected dogs.
A study published in PLOS ONE found that shelter dogs spending more time resting during the day displayed better behavioral signs of well-being and performed better on a food reward test. The researchers suggest setting aside quiet time for dogs to rest may be beneficial for their welfare.
Two species of fossil carnivores, Gustafsonia and Angelacrtocyon, were reclassified as early members of the beardog family. These tiny creatures lived 38-37 million years ago in Texas and had features that suggest they may have eaten plants in addition to meat
The Fonni's Dog genome study sheds light on the history of Sardinia's fiercely protective canine breed, tracing its development through unregulated selection for behavior. The research also highlights the potential of isolated dog breeds as a powerful resource for finding genes that influence health and behavior.
A new guide provides evidence-based advice for controlling the rapid spread of dog diseases in group settings. The guidelines recommend measures such as frequent hand washing, disinfection, vaccination, and careful crowd management to prevent disease transmission.
Researchers found significant links between hyperactivity, lower blood phospholipid levels, and a negative correlation with tryptophan metabolites in hyperactive dogs. This study suggests that intestinal health impacts canine behavior and provides new clues for studying behavioral disorders.
Researchers analyzed fecal samples from dogs with and without IBD, discovering a pattern of microbes indicative of the disease. The team used 16S rRNA sequencing to predict IBD diagnosis in dogs with high accuracy.
A study published in PLOS ONE found that bandicoots in Tasmania avoid domestic dogs due to thousands of years of dingo coexistence, but not cats. Tasmanian bandicoots have been exposed to dogs for 200 years, while dingoes arrived in mainland Australia 4000 years ago.
In a study published in Frontiers in Psychology, scientists found that wolves are consistently more prone to take risks when gambling for food than dogs. The researchers trained 7 wolves and 7 dogs to choose between a safe option and a risky option with uncertain rewards, and the results showed that wolves chose the risky option in 80%...
A study found that dogs use left and right hemispheres to process words and intonation, integrating information to arrive at a unified meaning. Dogs also activate their reward center when they hear praise in praising intonation, suggesting they can combine word and tone for correct interpretation.
Researchers at Penn University have found remarkable similarities between human Leber congenital amaurosis and canine blinding disease Senior Løken Syndrome. The diseases share the same causative gene, NPHP5, and display similar pathology. The study's findings offer promising results for developing therapies to treat these conditions.
A new study reveals dogs can distinguish both vocabulary words and the intonation of human speech through brain regions used by humans. The research found that dogs process vocabulary in the left hemisphere and intonation in the right hemisphere, mirroring human brain function.
A comprehensive study on canine hereditary disorders found that 1 in 6 dogs carried genetic variants for diseases, and 1 in 6 previously unreported variants were discovered in a specific breed. The research highlights the importance of collaboration between academia and industry to improve dog health and welfare.
A recent study by the University of Liverpool has found that a potentially fatal tick-borne disease called canine babesiosis in the UK appears to be under control. The study analyzed data from 2015 and found a low background level of Babesia infection in the UK, with most cases linked to overseas travel.
The study found that the marsupial lion's elbow joint had a unique rotational capacity, similar to arboreal mammals, but also features not seen in living climbers. The researchers suggest this allowed the animal to use its dew claw to kill prey. The incisors were blunt and functioned better for gripping than piercing flesh.
A new study published in Social, Cognitive and Affective Neuroscience suggests that many dogs prefer praise from their owners over food. The study, led by Gregory Berns at Emory University, used brain-imaging data and behavioral experiments to investigate canine reward preferences.
Researchers create technique to identify pairs of short DNA sequences from beef, buffalo, and pork in hot dogs, providing a more reliable approach than existing methods. The study found that all 'beef' hot dogs contained buffalo meat, highlighting the need for accurate food testing.
Researchers at Nationwide Children's Hospital identified approximately 12 genes associated with fear and aggression in dogs, distinct from those found in humans. The study has potential implications for veterinary behavioral medicine and human anxiety disorders.
A study of stud dogs over 26 years found a significant decline in sperm quality, with chemicals in dog food and testes contributing to the issue. This may offer insight into human semen quality decline, as dogs share similar environments and exhibit similar responses to therapies.
A recent study suggests that Labrador Retrievers may be more susceptible to limber tail due to their genetic predisposition and exposure to cold climates. The research also found that swimming was not a significant risk factor for the condition, contradicting previous speculation.
The English bulldog's extreme physical changes, achieved through human-directed selection, have led to significant loss of genetic diversity, particularly in immune response genes. This reduced diversity makes it challenging to improve the breed's health from within its existing gene pool.
Researchers from the University of Pennsylvania have shown that early exposure to the human IDUA protein increased immune tolerance, allowing for widespread expression of the enzyme and resolution of brain lesions. The study informs the planning of first-in-human trials for MPS I treatment.
Researchers at University of Illinois successfully tested nanoparticle drug delivery in dogs with naturally occurring bone cancers, which are similar to human bone tumors. The study demonstrated anti-cancer activity and tolerance to high doses without toxicity in the dogs.
A new study published in Frontiers in Veterinary Science ranks the suitability of mammals as pets, with Agile Wallaby, Sika Deer, Tamar Wallaby, Llama, and Asian Palm Civet making the top five list. The research developed a methodology to assess mammal suitability for domestic ownership, considering behavioral needs and welfare risks.
Research published in Pediatrics found that children who engage in thumb-sucking or nail-biting habits have a lower risk of developing allergic sensitization. The study, which followed over 1,000 New Zealand children from age 5 to 32, also found no association between these habits and the development of asthma or hay fever.
Labradors with elbow dysplasia showed improved mobility and stride characteristics after hydrotherapy, suggesting its potential as a therapeutic tool. The study also found benefits in healthy control groups, indicating swimming can be beneficial for dogs.
A woman was admitted to intensive care due to a rare infection believed to be transmitted by her Italian greyhound, while a teenage girl had pinworms in her appendix. A 26-year-old student also developed lead poisoning from taking Indian Ayurvedic herbal medicines.
Researchers discovered that isoprene, a common natural chemical found in human breath, increases significantly at hypoglycemia levels. This finding may lead to the development of new tests for detecting hypoglycaemia and reducing its risk of life-threatening complications.
A veterinarian is conducting clinical trials to treat cancers in dogs, cats, and other companion animals. The research has the potential to provide important information for human cancer patients, with canine cancers being genetically similar to those in humans.
Austrian researchers found that nematode species previously limited to Southern Europe have spread to the country, infecting dogs and potentially affecting people. Monitoring of mosquitoes and wild animals is crucial to slow the spread of parasites.
Research published in Frontiers in Psychology found that people who witnessed a crime can identify criminals through their distinctive scent. Human nose-witnesses were able to correctly identify perpetrators in almost 70% of cases, showing promise for forensic applications.
A new paper proposes that dogs were domesticated independently from two distinct wolf populations on opposite sides of the Eurasian continent. Genetic analysis reveals a genetic separation between modern dog populations in East Asia and Europe.
A new study reveals a deep split in the genetic data of ancient European and East Asian dogs, suggesting two independent dog domestication events occurred thousands of years apart. The findings support the idea that dogs were domesticated separately in Europe and Central Asia, with some breeds showing mixed ancestry from both regions.
A crowdsourcing contest analyzing brain data from humans and dogs improved epileptic seizure forecasting. Over half of algorithms performed better than random predictions, accurately predicting more than 70% of seizures.
Researchers at Penn Vet found that a common blood test may also indicate hypercoagulability in animals. A study of hundreds of dogs found that shortened prothrombin time and activated partial thromboplastin time were associated with clinical signs of hypercoagulability, including clots and suspected pulmonary thromboembolism.
A study by the University of Helsinki reveals three novel canine genes associated with human rare disorders, including Caffey disease and van den Ende-Gupta syndrome. The discovery highlights the potential of comparative research for developing diagnostics and treatments.
A new study from Duke University reveals that misnaming follows predictable patterns, with people often using relationship categories and phonetic similarities to mix up names. The study found that family members frequently call other family members by the name of the family dog, suggesting a special bond between humans and canines.
Scientists have identified a modifier gene that affects the risk of developing Canine Degenerative Myelopathy (DM), a disease similar to ALS in humans. Genome-wide association analysis revealed a haplotype within the SP110 nuclear body protein gene associated with increased DM risk.
A study on the 'canine transmissible venereal tumour' reveals how this contagious cancer, dating back to 11,000 years ago, has spread across the globe by 'stealing' DNA from its host. The research shows that cancer cells can shuffle or recombine DNA from different mitochondria.
A rare form of pulmonary hypertension has been discovered in dogs, with similar symptoms and potentially useful as a model for human PVOD. The study, published in Veterinary Pathology, could lead to new insights into the disease and its treatment options.
A recent study by Uppsala University researchers found that genetic analyses in dogs can identify genes linked to human brain tumors, specifically gliomas. The study identified three genes associated with glioma development in dogs, which are also present in humans and show reduced activity in tumor tissue.
A genome-wide association study of 39 dog breeds with gliomas identified three candidate genes associated with the tumor's development. These genes - CAMKK2, P2RX7 and DENR - have also been linked to cancer in humans. Further research into these genes may provide insights for potential treatments of glioma in both species.
A doctoral student at the University of Pennsylvania has identified a new species of fossil dog, Cynarctus wangi, found in Maryland. The specimen, dating back to 12 million years ago, represents a distinct species from the extinct subfamily Borophaginae.
The primary threat to vultures is the presence of toxins in carrion they consume, leading to declines or extinctions of most vulture species worldwide. In their absence, other scavengers proliferate, causing a cascading effect on food webs and human populations.
A study found that Labrador retrievers with a genetic variation in the POMC gene are more likely to be obese and food-motivated. The deletion affects dogs' ability to produce neuropeptides, leading to increased hunger and food begging behavior.