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Science Daily: Dog News

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Ancient wild ox genome reveals complex cow ancestry

The ancestry of domesticated cattle proves more complex than previously thought, reports a new paper. The first nuclear genome sequence from an ancient wild ox reveals that some modern domestic cow breeds, including the Scottish Highland and Irish Kerry, had wild ancestors that were British, as well as Asian. View the source article

October 26, 2015

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Research suggests canine companionship helps calm children undergoing cancer treatment

Although survival rates for children diagnosed with cancer have increased dramatically over the past 40 years, hard evidence of proven psychosocial benefits to improve quality of life among patients and families during treatment has remained elusive. View the source article

October 23, 2015

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Cats retain multiple functional bitter taste receptors

Cats have at least seven functional bitter taste receptors, according to a new study. Further, a comparison of cat to related species reveals little relationship between the number of bitter receptors and the extent to which a species consumes plants. Together, the findings question the common hypothesis that bitter taste developed primarily to protect animals from ingesting poisonous plant compounds. View the source article

October 21, 2015

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Dog's recovery highlights need for genetic testing, owner vigilance

The remarkable recovery of a dog nursed back to health from the brink of death recently highlights the value of a simple genetic test that can help owners determine if their pets are vulnerable to what in most cases is a safe, commonly-used drug. View the source article

October 20, 2015

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Towards a safer epidural anesthesia for dogs

A method of epidural anesthesia, although proven efficient in humans, had never been tested in animals until now. Two specialists in Veterinary Anesthesiology have successfully used for the first time in dogs the Baraka technique, proving that it is simpler and faster when trying to identify the epidurial space. With this research the two experts intend to reduce the risk of the traditional anesthesic technique in these animals. View the source article

October 19, 2015

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Study stops vision loss in late-stage canine X-linked retinitis pigmentosa

Three years ago, a team announced that they had cured X-linked retinitis pigmentosa, a blinding retinal disease, in dogs. Now they've shown that they can cure the canine disease over the long term, even when the treatment is given after half or more of the affected photoreceptor cells have been destroyed. View the source article

October 12, 2015

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Lab-grown 3D intestine regenerates gut lining in dogs

Working with gut stem cells from humans and mice, scientists have successfully grown healthy intestine atop a 3-D scaffold made of a substance used in surgical sutures. View the source article

October 8, 2015

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Mad cow disease changed the diet of the Galician wolf

The Creutzfeldt-Jakob disease crisis in Europe was a turning point for the diet of the Galician wolf, which until the year 2000 had primarily fed on the carrion of domestic animals. A new study shows that, after European health regulations made it illegal to abandon dead livestock, wolves started to consume more wild boars, roe deer and wild ponies, but also began to attack more cattle ranches when faced with food shortages in certain areas. View the source article

October 7, 2015

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Genetic mutations linked to a form of blindness

Scientists have identified two naturally occurring genetic mutations in dogs that result in achromatopsia, a form of blindness. One of the most promising avenues for developing a cure, however, is through gene therapy, and to create those therapies requires animal models of disease that closely replicate the human condition. View the source article

October 1, 2015

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Researchers show that genetic background regulates tumor differences

Researchers have identified both similarities and differences between a single tumor type in multiple dogs breeds; a finding they believe parallels the situation in the cancer of human patients. View the source article

September 30, 2015

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Citizen scientists contribute to dog research

Five hundred citizen scientists around the world have contributed data to a study of what goes on inside the minds of their dogs. On five of the seven tests analyzed, citizen science data corresponded closely to what had been produced by labs of scientists. View the source article

September 16, 2015

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Form of congenital night blindness in dogs identified

Working in collaboration with Japanese scientists, researchers have for the first time found a form of congenital night blindness in dogs. Their discovery and subsequent hunt for the genetic mutation responsible may one day allow for the development of gene therapy to correct the dysfunction in people as well as dogs. View the source article

September 15, 2015

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Standing on their own four feet: Why cats are more independent than dogs

Domestic cats do not generally see their owners as a focus of safety and security in the same way that dogs do, according to new research. View the source article

September 3, 2015

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Training a dog you can trust

Should entire breeds of dogs be banned? One expert says "no." Dog behavior is more the result of treatment and training than breeding, she believes. View the source article

September 3, 2015

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Ancient hybridization key to domestic dog's origin, wolf conservation efforts

The ancestry of man's best friend is more complicated than its furry coat and soulful eyes betray. Understanding the evolutionary history of the domesticated dog may help protect endangered wolves, according to a study that offers an overview examining the system used to classify dogs and related animals. View the source article

September 1, 2015

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Dogs, cats, and big-wave surfers: Healthy heart lessons from animals and athletes

For over 30 years, a researcher has been studying exercise physiology in animals: African lions and wild dogs, dolphins and whales, coyotes and mountain lions, as well as a few human athletes. She has put mountain lions on treadmills and strapped heart-rate monitors onto big-wave surfers at Mavericks. These studies have given Williams a unique perspective on exercise and health. View the source article

September 1, 2015

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Dominance in a group of dogs expressed in hard figures

The hierarchy in a group of dogs is not based on aggression but on submissiveness. A dog ranked lower in the hierarchy displays signals of submissive behavior towards dogs ranked higher. These findings have for the first time been substantiated by means of measurements. View the source article

August 27, 2015

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