Dog News
  • iconTwo regions in the canine genome explain one third of the risk of rare blood cancer
    Mutations in two genetic regions in dogs explain over one third of the risk of developing an aggressive form of hematological cancer, according to a new study.
  • iconPetting therapy dogs enhances thinking skills of stressed college students
    Programs exclusively focused on petting therapy dogs improved stressed-out students' thinking and planning skills more effectively than programs that included traditional stress-management information, according to new research.
  • iconLong-term stress in dogs linked to the owner-dog relationship
    The relationship a dog has with its owner is related to its stress level. This is the conclusion of a newly published study. The results also suggest that the link between stress and the owner's personality traits differs between dog breeds.
  • iconThe African wild dog: An ambassador for the world's largest terrestrial conservation area
    The world's largest terrestrial conservation area is located in southern Africa and covers 520,000 square kilometers spanning five countries. A study now shows that the endangered African wild dog mostly remains within the boundaries of the Kavango-Zambezi Transfrontier Conservation Area (KAZA) when dispersing, thus highlighting the relevance of such a large-scale conservation initiative for maintaining key wildlife corridors of threatened species.
  • iconDogs' aggressive behavior towards humans is often caused by fear
    A study encompassing some 9,000 dogs demonstrated that fearfulness, age, breed, the company of other members of the same species and the owner's previous experience of dogs were associated with aggressive behavior towards humans. The findings can potentially provide tools for understanding and preventing aggressive behavior.
  • iconNew therapy target for malignant melanomas in dogs
    Scientists have shown that the biological molecule PD-L1 is a potential target for the treatment of metastasized oral malignant melanoma in dogs.
  • iconA gene finding links severe canine juvenile epilepsy to mitochondrial dysfunction
    Researchers found a cause for severe epilepsy resulting in death in Parson Russell Terrier puppies at a few months of age. A change in the PITRM1 gene can lead to a dysfunction of mitochondria, the cellular energy pumps. Concurrently, amyloid-beta accumulation and widespread neurodegeneration associated with Alzheimer's disease were identified in the puppies' brains. Changes to the PITRM1 gene in humans also cause a severe but slowly progressing brain disease.
  • iconWith impressive accuracy, dogs can sniff out coronavirus
    In a proof-of-concept study, dogs identified positive samples with 96 percent accuracy.
  • iconMystery canine illness identified: Animal coronavirus
    An outbreak of vomiting among dogs has been traced back to a type of animal coronavirus by researchers. Vets across the country began reporting cases of acute onset prolific vomiting in 2019/20.
  • iconShift in diet allowed gray wolves to survive ice-age mass extinction
    Gray wolves are among the largest predators to have survived the extinction at the end of the last ice age. A new study analysing teeth and bones shows that the wolves may have survived by adapting their diet over thousands of years --- from a primary reliance on horses during the Pleistocene, to caribou and moose today.
  • iconDogs act jealously even when they don't see their rival
    Dogs are one of humanity's most-beloved animal companions. They share our homes and seem to reciprocate our affections. But could this emotional bond extend into feelings of jealousy? To help answer that question, a team of researchers gauged the reactions of a group of dogs when their owners appeared to shower attention on a perceived rival.
  • iconDogs (not) gone wild: DNA tests show most 'wild dogs' in Australia are pure dingoes
    A new dingo study collates the results from over 5000 DNA samples of wild canines across Australia. It found that 99 per cent of animals tested were pure dingoes or dingo-dominant hybrids - and that there were almost no feral dogs in the country.
  • iconDomestication and industrialization lead to similar changes in gut microbiota
    Domestication has a consistent effect on the gut microbiota of animals and is similar to the effects of industrialisation in human populations, with ecological differences such as diet having a strong influence.
  • iconDogs infected with Leishmania parasites smell more attractive to female sand flies
    Dogs infected with the Leishmania parasite smell more attractive to female sand flies than males, say researchers. Leishmania parasites are transmitted from infected dogs to people by sand flies when they bite. As only female sand flies transmit the parasite, researchers wanted to understand if infection made dogs more attractive to the insect. Globally over 350 million people are at risk of leishmaniasis, with up to 300,000 new cases annually.
  • iconWeakened protections led to more disappearances of endangered Mexican wolves
    Mexican wolves in the American Southwest disappeared more quickly during periods of relaxed legal protections, almost certainly succumbing to poaching, according to new research.
  • iconDog's body size and shape could indicate a greater bone tumor risk
    New research has now confirmed that larger breeds, such as Rottweiler, Great Dane and Rhodesian Ridgeback, have a greater risk of osteosarcoma than smaller breeds, as well as showing that breeds with shorter skulls and legs have lower osteosarcoma risk. The findings could inform future breed health reforms as well as studies into the way tumours develop from normal bone.
  • iconMilk prebiotics are the cat's meow
    If you haven't been the parent or caregiver of an infant in recent years, you'd be forgiven for missing the human milk oligosaccharide trend in infant formulas. These complex carbohydrate supplements mimic human breast milk and act like prebiotics, boosting beneficial microbes in babies' guts. Milk oligosaccharides aren't just for humans; all mammals make them. New research suggests milk oligosaccharides may be beneficial for cats and dogs when added to pet diets.
  • iconPaw hygiene no reason to ban assistance dogs from hospitals
    According to a UN-agreement, assistance dogs like guide dogs, signal dogs and medical response dogs are welcome in hospitals and other public places. However, in practice, they are regularly refused entry. Hygiene reasons are often given as the main argument for this. Research now shows that the paws of assistance dogs are cleaner than the shoe soles of their users, and thus, paw hygiene is no reason to ban assistance dogs from hospitals.
  • iconWolf social group dynamics matter for infectious disease spread, models suggest
    By modeling wolves in Yellowstone National Park, researchers have discovered that how a population is organized into social groups affects the spread of infectious diseases within the population. The findings may be applicable to any social species and could be useful in the protection of endangered species that suffer from disease invasion.
  • iconDetection dogs help generate important data for research and conservation
    It is often difficult to find out exactly where the individual species can be found and how their populations are developing. According to a new overview, specially trained detection dogs can be indispensable in such cases. With the help of these dogs, the species sought can usually be found faster and more effectively than with other methods.
  • iconUsing a multipronged approach to investigate the diet of ancient dogs
    A new study uses different techniques to improve the investigation of fossilized dog feces.
  • iconHow did dogs get to the Americas? An ancient bone fragment holds clues
    Researchers analyzed the dog's mitochondrial genome, and concluded that the animal belonged to a lineage of dogs whose evolutionary history diverged from that of Siberian dogs as early as 16,700 years ago. The timing of that split coincides with a period when humans may have been migrating into North America along a coastal route that included Southeast Alaska.
  • iconNew features of a gene defect that affects muzzle length and caudal vertebrae in dogs
    A recent genetic study provides new information on the occurrence of a DVL2 gene defect associated with a screw tail and its relevance to canine constitution and health. The variant was found in several Bulldog and Pit Bull type breeds, and it was shown to result in caudal vertebral anomalies and shortening of the muzzle. The DLV2 variant may also affect the development of the heart.
  • iconA novel gene discovery associated with a development disorder of pituitary origin
    A study investigated pituitary dwarfism in Karelian Bear Dogs and found a link to a variant of the POU1F1 gene. The results can also help understand the gene's significance to the human pituitary gland's development and function.
  • iconWolves prefer to feed on the wild side
    When there is a choice, wolves in Mongolia prefer to feed on wild animals rather than grazing livestock. Previous studies had shown that the diet of wolves in inland Central Asia consists mainly of grazing livestock, which could lead to increasing conflict between nomadic livestock herders and wild predatory animals like wolves.
  • iconFriends fur life help build skills for life
    A new study finds children not only reap the benefits of working with therapy dogs -- they enjoy it too.
  • iconWolves, dogs and dingoes, oh my
    Dogs are generally considered the first domesticated animal, while its ancestor is generally considered to be the wolf, but where the Australian dingo fits into this framework is still debated, according to a retired anthropologist.
  • iconToward a disease-sniffing device that rivals a dog's nose
    A new system can detect the chemical and microbial content of an air sample with even greater sensitivity than a dog's nose. Researchers coupled this to a machine-learning process that can identify the distinctive characteristics of the disease-bearing samples.
  • iconNew improved dog reference genome will aid a new generation of investigation
    Researchers have used new methods for DNA sequencing and annotation to build a new, and more complete, dog reference genome. This tool will serve as the foundation for a new era of research, helping scientists to better understand the link between DNA and disease, in dogs and in their human friends.
  • iconResearchers uncover hidden hunting tactics of wolves in Minnesota's Northwoods
    Researchers show that wolves have evolved ambush hunting tactics specifically tailored for catching and killing beavers. The study challenges the classic concept that wolves are solely cursorial predators. Instead, wolf-hunting strategies appear highly flexible, and they are able to switch between hunting modes (cursorial and ambush hunting) depending on their prey.
  • iconChallenges of animal ownership during the pandemic should be considered alongside the potential benefits, study shows
    Animal owners frequently report concerns and worries relating to caring for their animal during the pandemic, new research suggests. The study also revealed owners had increased their appreciation of their animals during the first lockdown phase. The notion that people 'could not live without' their animals and that they were a 'godsend' or a 'lifeline' in the pandemic was frequently expressed.
  • iconNew stem cell therapy in dogs -- a breakthrough in veterinary medicine
    Scientists have developed a novel method to induce stem cell generation from the blood samples of dogs. Through this technique, the scientists hope to advance regenerative therapies in veterinary medicine. This would mean that, in the near future, veterinarians might be able to reverse conditions in dogs that were previously thought incurable.
  • iconWomen influenced coevolution of dogs and humans
    A cross-cultural analysis found several factors may have played a role in building the relationship between humans and dogs, including temperature, hunting and surprisingly - gender. The analysis used ethnographic information from 144 traditional, subsistence-level societies from all over the globe. People were more likely to regard dogs as a type of person if the dogs had a special relationship with women -- such as having names and being treated as family.
  • iconSmart vaccine scheme quick to curb rabies threat in African cities
    More people could be protected from life-threatening rabies thanks to an agile approach to dog vaccination using smart phone technology to spot areas of low vaccination coverage in real time. The work could help save the lives of children worldwide.
  • iconSmart vaccine scheme quick to curb rabies threat in African cities
    More people could be protected from life-threatening rabies thanks to an agile approach to dog vaccination using smart phone technology to spot areas of low vaccination coverage in real time. The work could help save the lives of children worldwide.
  • iconTasmanian tiger pups found to be extraordinary similar to wolf pups
    Researchers find more similarities between the thylacine and wolf.
  • iconAncient wolf pup mummy in Yukon permafrost from 57,000 years ago
    While water blasting at a wall of frozen mud in Yukon, Canada, a gold miner made an extraordinary discovery: a perfectly preserved wolf pup that had been locked in permafrost for 57,000 years. The remarkable condition of the pup, named Zhùr by the local Tr'ondëk Hwëch'in people, gave researchers a wealth of insights about her age, lifestyle, and relationship to modern wolves.
  • iconLiving environment affects the microbiota and health of both dogs and their owners
    In urban environments, allergic diseases are more common among dogs and their owners compared to those living in rural areas. Simultaneous allergic traits appear to be associated with the microbes found in the environment, but microbes relevant to health differ between dogs and humans.
  • iconStudy sets baseline for sleep patterns in healthy adult dogs
    A new canine sleep study could serve as a baseline for research on chronic pain and cognitive dysfunction in dogs, potentially improving detection and treatment of these conditions.
  • iconWhat's up, Skip? Kangaroos really can 'talk' to us, study finds
    Animals that have never been domesticated, such as kangaroos, can intentionally communicate with humans, challenging the notion that this behavior is usually restricted to domesticated animals like dogs, horses or goats, a new study has found.
  • iconTraining methods based on punishment compromise dog welfare, study finds
    After aversive training, dogs had a lower behavioral state (higher stress and anxiety), a new study has found. If aversive methods were used in high proportions, that persisted even in other contexts.
  • iconFerrets, cats and civets most susceptible to coronavirus infection after humans
    An analysis of ten different species finds that humans -- followed by ferrets and, to a lesser extent cats, civets and dogs -- are the most susceptible animals to SARS-CoV-2 infection.
  • iconRobots could replace real therapy dogs
    Robotic animals could be the 'pawfect' replacement for our real-life furry friends, a new study has found.
  • iconWhat makes certain groups more vulnerable to COVID-19?
    What makes the elderly and people with underlying conditions more vulnerable to COVID-19? According to a new study, clues can be found in the proteins involved in initiating infection, as the virus binds to host cells of different animals. Greater cellular oxidation with aging and sickness may explain why seniors and people with chronic illness get infected more often and more severely.
  • iconPets, touch and COVID-19: Why our furry friends are lifesavers
    A new study points to the lifesaving role that pets have played in 2020 and why governments need to sit up and take notice.
  • iconBig cats and small dogs: Solving the mystery of canine distemper in wild tigers
    Canine distemper virus (CDV) causes a serious disease in domestic dogs, and also infects other carnivores, including threatened species like the Amur tiger. It is often assumed that domestic dogs are the primary source of CDV, but a new study found that other local wildlife was the primary source of CDV transmission to tigers instead.
  • iconTackling food allergies at the source
    Food allergies cost billions of dollars and cause enormous suffering for people. Researchers are trying to remove the source of food allergies altogether -- troublesome proteins made by our favorite crops.
  • iconPesticides commonly used as flea treatments for pets are contaminating English rivers
    Researchers have found widespread contamination of English rivers with two neurotoxic pesticides commonly used in veterinary flea products: fipronil and the neonicotinoid imidacloprid.
  • iconDry food or raw? Diet affects skin gene expression in both healthy and atopic dogs
    Differences in skin gene expression were observed between healthy and atopic Staffordshire Bull Terriers as well as between dogs that ate either dry food or raw food. Raw food appeared to activate the skin's immune system as well as the expression of genes that increase antioxidant production or have anti-inflammatory effects.
  • iconNew genome alignment tool empowers large-scale studies of vertebrate evolution
    Three new articles present major advances in understanding the evolution of birds and mammals, made possible by new methods for comparing the genomes of hundreds of species. Researchers developed a powerful new genome alignment method that has made the new studies possible, including the largest genome alignment ever achieved of more than 600 vertebrate genomes.
  • iconSwedish, Finnish and Russian wolves closely related
    The Scandinavian wolf originally came from Finland and Russia, and unlike many other European wolf populations its genetic constitution is virtually free from dog admixture. In addition, individuals have migrated into and out of Scandinavia. These findings have emerged from new research in which genetic material from more than 200 wolves was analyzed.
  • iconResearchers identify new Rickettsia bacteria species in dogs
    Researchers have identified a new species of Rickettsia bacteria that may cause significant disease in dogs and humans. This new yet unnamed species, initially identified in three dogs, is part of the spotted-fever group Rickettsia which includes Rickettsia rickettsii, the bacteria that cause Rocky Mountain Spotted Fever (RMSF).
  • iconDo octopuses' arms have a mind of their own?
    Octopuses are strange creatures, with three hearts, eight arms and a nervous system distinct from any other animal. These fiercely intelligent creatures are jam-packed with over 500 million neurons, but over two thirds of these neurons are located within their arms and body. Many scientists therefore think that octopuses' arms act independently from the brain, but a new study suggests that an octopus' arms and brain are more connected than previously thought.
  • iconOrganization of organisms: Better understanding of biological processes
    A new model that describes the organization of organisms could lead to a better understanding of biological processes.