Articles tagged with Dogs
A new study of over 2,200 children finds no link between having a dog or cat and improved mental or physical health. While children from pet-owning families tend to have better general health, the association disappears when adjusting for other variables.
A recent study published in Nature Communications found that all contemporary dogs have a common origin and emerged through a single domestication process of wolves. The research team analyzed the DNA of two prehistoric dogs from Germany and found that their genomes were the probable ancestors of modern European dogs.
Researchers found that puppies raised by attentive mothers were less likely to succeed in training programs. Those whose mothers nursed more often while standing up had lower graduation rates as adult guide dogs. The study suggests that minor obstacles can help offspring succeed later in life.
Researchers found that puppies raised by doting mothers were less likely to succeed in a training program to become guide dogs. The study suggests that guide-dog-training organizations can better identify dogs who are more likely to succeed by understanding the impact of maternal style on offspring behavior.
A study published in PLOS ONE identified the progression of Lafora disease, a devastating form of epilepsy that affects up to 50 young children worldwide. Collaboration with dog owners helped researchers develop effective treatment for both humans and canines.
A UCLA researcher calculates that feeding pets contributes to climate change, with dogs and cats responsible for 25-30% of meat consumption's environmental impact in the US. The nation's 163 million dogs and cats eat about 19% as many calories as humans, with premium pet foods often containing more animal products.
Research by University of Cambridge suggests that external features cannot accurately predict breathing difficulties in pugs, French bulldogs and bulldogs. Breeders should focus on breeding for open nostrils and avoiding dogs with short muzzles, wide faces and thick necks to reduce the risk of Brachycephalic Obstructive Airway Syndrome.
A new study suggests that infants are able to recognize patterns of behavior and make judgments about people's preferences as early as 8 months old. The research found that babies look for consistent patterns of behavior and adjust their expectations when they encounter inconsistent choices.
German Shepherd Dogs are predisposed to musculoskeletal disorders due to selective breeding, with osteoarthritis being the most common condition. The study analyzed data from over half a million dogs and found that GSDs are more likely to die from complications arising from these conditions.
Researchers developed a gene therapy using microdystrophin to treat Duchenne muscular dystrophy in dogs. The treatment restored muscle function and stabilized clinical symptoms for over 2 years. This breakthrough could lead to a new treatment for children with the disease.
Researchers at Oregon State University found nearly half of dogs with osteosarcoma had elevated total serum cholesterol levels, leading to longer survival times. Dogs with high cholesterol had a median survival time of 455 days, compared to 345 days for those with normal cholesterol.
Researchers found that dog owners who walk their pets regularly are more active and less sedentary on rainy days than those without dogs. Dog ownership is linked to increased physical activity levels, reduced daily sitting time, and improved health outcomes.
A new study found that dog walking increases physical activity levels in older adults, even on cold and wet days. Dog owners were sedentary for 30 minutes less per day, on average.
A recent study found that air travel stress has no effect on search and rescue dog job performance, but alters the canine microbiome. Despite physiological impacts, dogs overcome stress to save lives.
A recent study suggests that climate change is impacting the survival rates of African wild dog pups, with warmer temperatures leading to fewer pups being raised. The research found that high temperatures caused packs to spend less time hunting and resulted in higher pup mortality rates.
A new study reveals that domesticated dogs and humans share a common genetic basis for social behavior, with unique genetic insertions associated with human-directed social behaviors in dogs. This finding challenges the conventional view of dog domestication and highlights the evolutionary conservation of sociability across species.
Researchers at Oregon State University identified a genetic marker linked to Williams-Beuren syndrome, a disorder characterized by hypersocial behavior. The study found domesticated dogs exhibit an exaggerated motivation to seek social contact compared to wolves, leading to prolonged proximity and gazing at humans.
Researchers found that hairless dogs lack specific lingual cusps on their molars and premolars due to FOXI3 gene variation. The study suggests the gene may also play a role in human tooth morphology.
A study by Tufts University researchers found significant changes in miRNA expression levels in dogs with myxomatous mitral valve disease (MMVD) and congestive heart failure. The study identified new genomic biomarkers, including exosomal miR-181c and miR-495, which could provide insight into diagnosis and therapies for MMVD and human ...
Researchers surveyed an environmentally protected area in southeastern Brazil and found over 1% of dogs and some opossums carry the parasite responsible for deadly leishmaniasis. The study also identified six species of sand flies that can transmit the disease.
Researchers found genetically diverse strains of C. difficile in soil samples from children's and dogs' sandboxes in Madrid. The presence of certain strains with increased toxin production poses a significant threat to human and animal health.
A new approach to training explosive-detecting dogs uses real-time vapor analysis to accurately measure the vapor plumes from explosives that trigger a canine response. This method helps differentiate between correct and incorrect identifications, reducing cross-contamination errors.
Researchers have found that wheat middlings and red dog, two coproducts of the wheat milling process, have varying levels of protein digestibility when fed to pigs. The study suggests that red dog contains more easily digested amino acids due to its lower fiber content.
Researchers at the University of Nottingham have developed a questionnaire-style decision tool to predict young dogs' likelihood of succeeding in guide dog training. The Puppy Training Supervisor Questionnaire (PTSQ) accurately identified 16.9% of dogs, helping trainers assess suitability early and improve training processes.
A new study confirms that wolves and dogs refuse to cooperate when they don't receive a reward, showing an innate sensitivity to inequity. The behavior is similar in both species, indicating it's not solely due to domestication.
Dog ownership has been found to encourage older adults to be more physically active, with an average of 22 minutes spent walking per day compared to non-owners. The study, published in BMC Public Health, also showed that dog owners had fewer sedentary events than non-dog owners.
A new gene therapy has been shown to preserve muscle strength and neurologic function in dogs with myotubular myopathy, a type of muscular dystrophy. The therapy, which involves replacing the mutated MTM1 gene, has provided long-lasting benefits over 4 years.
A University of Zurich study analyzed archived tissues from dog mammary tumors to understand breast carcinoma in both species. The researchers found that tumor cells reprogram healthy cells, promoting tumor growth, a mechanism also observed in human breast carcinoma.
A novel gene defect has been identified as the cause of a severe skin blistering disorder in Central Asian Shepherd dogs. The defect, found in the COL7A1 gene, leads to the absence of collagen, causing fragile skin and blisters.
Second-grade students who read aloud to dogs showed improved attitudes about reading, with significant increases in academic reading attitudes. Reading skills remained stable in both groups.
A recent dog DNA study has uncovered a genetic mutation linked to flatter faces in breeds like pugs and bulldogs. Researchers used CT scans to measure skulls and compared the results with genetic data, identifying variations associated with brachycephaly.
According to Rutgers University researcher John McGann, humans can detect and discriminate an extraordinary range of odors, rivaling that of rodents and dogs. The human olfactory bulb is similar in size and number of neurons to other mammals, challenging the long-held misconception about human sense of smell.
A recent review by John McGann suggests that humans' ability to detect certain scents is superior to other animals, such as dogs. The study highlights the importance of smell in human communication and mate choice, challenging the long-held notion that humans have an inferior sense of smell.
Researchers from Oregon State University found that a family dog can improve physical activity, motor skills, and quality of life for children with disabilities. The study involved an eight-week intervention program where the child and dog participated in supervised physical activities and home exercises.
MU researchers have found a biomarker test that helps diagnose ALS also assists with determining a diagnosis for degenerative myelopathy. The study used phosphorylated neurofilament heavy proteins released into spinal fluid and blood to develop the diagnostic tool.
The study maps the evolution of dog breeds using gene sequences from 161 modern breeds, uncovering evidence of ancient canine migration across the Bering land bridge. The research also sheds light on the origins of various breeds, including herding dogs and hairless breeds.
A large, wispy shell of gas, Sh2-308, is blown out by intense radiation from the extreme Wolf-Rayet star EZ Canis Majoris. The star's ongoing activity pushes the bubble to grow bigger and farther apart.
Cognitive biologists found dogs can correctly interpret cues by humans and find hidden food even if they cannot see it. Dogs adopt human perspectives by following gazes and understanding who knows what, enabling them to identify informants and successfully complete tasks.
A University of Alberta study found that babies from pet households had higher levels of microbes linked to lower allergy and obesity risks. Exposure to pets in the womb or after birth increased abundance of bacteria Ruminococcus and Oscillospira, which have been linked to reduced childhood allergies and obesity.
Researchers from Vetmeduni Vienna found that the raccoon dog is a greater risk than the raccoon as a vector for local parasites. The study revealed the presence of fox tapeworm and other parasites in raccoon dogs, which also infest local foxes.
A new gene therapy approach has restored muscle strength and prolonged life in dogs affected by myotubular myopathy, a rare X-linked genetic disorder. The treatment, administered via a single intravenous injection, was developed by Genethon and demonstrated efficacy in a large animal model.
Researchers at the University of Helsinki have identified a novel gene associated with acute respiratory distress syndrome (ARDS) in Dalmatian dogs. The gene study found that the disorder results from a defect in an anillin protein which binds to actin, leading to abnormal regeneration capacity of the bronchiolar epithelium.
A study by Emory University used functional magnetic resonance imaging (fMRI) to analyze the brain activity of canine candidates. The results found that brain scans could predict which dogs would fail a rigorous service training program with a significant improvement in accuracy, helping organizations identify unsuitable dogs earlier. ...
Studies suggest that dogs and humans share a common type of social intelligence, which could help scientists better understand human evolution. Researchers found that dogs who excel in one social skill tend to perform well in related skills, similar to children, but not chimpanzees.
Researchers used trained detection dogs to locate cheetah scat and signs in Western Zambia, detecting the species throughout a survey area. The study estimates a cheetah density of 5.9-6.6 individuals per 1000 square kilometers.
A collaborative study has discovered a genetic cause for myoclonic epilepsy syndrome in dogs, the DIRAS1 gene. This finding has significant implications for both veterinary diagnostics and breeding programs, as well as human epilepsy research.
Researchers develop gene therapy to treat myotubular myopathy, a rare inherited disease causing fatal muscle wasting. A single infusion restores normal health in affected dogs, demonstrating potential for treating skeletal muscle disorders.
A breakthrough trial at the University of Minnesota found that a new UMN-developed drug, eBAT, significantly improved the six-month survival rate for dogs with hemangiosarcoma (HSA) to approximately 70%. The study's results suggest potential for translation into human clinical trials.
A fossilized skull of Euchambersia revealed the first evidence of an ancient venomous vertebrate. The reptile's unique anatomy allowed its venom to flow directly into its mouth and prey through specialized teeth. This discovery sheds light on the evolution of venom in mammals.
Researchers develop plant-based therapy to prevent antibodies from forming against clotting factor VIII, a common cause of hemophilia reactions. The treatment showed promising results in dog trials, with significantly lower antibody levels and no negative side effects.
A study by the University of Helsinki found that empathetic individuals assess dog facial expressions more quickly and intensely than non-empathetic ones. People with higher emotional empathy also recognize happier human faces more intensely.
Scat detection dogs helped biology PhD student Alex Filazzola discover the importance of shrubs in preserving lizard populations in the face of climate change. Shrubs proved instrumental in providing critical micro-environments, such as shady places to regulate body temperature and refuge from predators.
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.