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Science Daily: Dog News

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Preliminary study suggests mercury not a risk in dog foods

Researchers recently investigated levels of methylmercury in a small sampling of commercial dog foods and found good news for dog owners. Of the 24 diets tested, only three were positive for low concentrations of total mercury, and only one of those contained detectable methylmercury. View the source article
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Hello, kitty: Cats recognize their own names, according to new Japanese research

Pet cats can recognize their own names if their names are used regularly by their owners, according to new results. Projects to understand simple social behaviors like name recognition in cats may give clues to how we humans became social. Both humans and cats have evolved through the process of self-domestication, where the population rewards certain traits that then become increasingly common in future generations. View the source article
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First reported UK case of likely dog-to-dog transmission of leishmaniosis

Veterinary professionals have sounded the alarm in this week's Vet Record after treating the first UK case of a dog with the potentially fatal infection, leishmaniosis, that is thought to have been passed on by another dog, rather than by travel to an area where the infection is endemic. View the source article
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Poll: Pets help older adults cope with health issues, get active and connect with others

Pets help older adults cope with mental and physical health issues, according to a new national poll. But pets can also bring concerns, and some people may even put their animals' needs ahead of their own health, the poll finds. Three-quarters of pet owners aged 50 to 80 say their animals reduce their stress and give them a sense of purpose. But 18 percent also said having one puts a strain on their budget. View the source article
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Sleepovers reduce stress in shelter dogs

Foster care provides valuable information about dog behavior that can help homeless dogs living in shelters find forever homes. Researchers found short-term fostering benefited shelter dogs in Arizona, Utah, Texas, Montana and Georgia. Stress hormone levels were reduced during one- and two-night sleepovers, and dogs also rested more during and immediately following a sleepover. View the source article
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A bald gene find­ing

Hairlessness in dogs can be the result of deliberate breeding or, in certain breeds, a defect. A recent study describes a gene variant in the SGK3 gene, which causes hairlessness in Scottish deerhounds. The gene defect results in puppies born with thin fur that lose all of their hair in a few weeks. SGK3 is also a candidate for association with non-hormonal baldness in humans. View the source article
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Two new genes discovered in the developmental defects of canine enamel

In addition to humans, hereditary disorders of enamel development occur in dogs, greatly impacting their dental health and wellbeing. A recent study reveals canine enamel disorders similar to those found in humans, linking them with ENAM and ACP4, two genes previously described in humans. View the source article
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Yellowstone elk don't budge for wolves, say scientists

Elk roam the winter range that straddles the northern boundary of Yellowstone National Park with little regard for wolves, according to a new study illustrating how elk can tolerate living in close proximity to the large predator. View the source article
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Who should Fido fear? Depends on relationship

As states around the country move to stiffen punishments for animal cruelty, researchers have found a correlation between the types of animal abuse committed and the perpetrator's relationship to an animal and its owner. View the source article
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Wolves lead, dogs follow -- And both cooperate with humans

The statement is a bold one, especially as wolves have received a lot of negative attention in recent years. A recent study conducted by behavioral researchers, however, shows that dogs and wolves both work equally well with humans, albeit in different ways. The allegedly unequal brothers are thus much more similar than often assumed. View the source article
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Hungry moose more tolerant of wolves' presence

Research in western Wyoming shows that close proximity of wolves does cause moose to move, but not enough to drive them from their preferred habitats -- especially late in the winter. View the source article
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Debate on predator-prey relationships

Experts have shed new light on the relationship between predators and their prey after studying how elk responded to the risk posed by grey wolves in an American national park. View the source article
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Disrupting wolf movement may be more effective at protecting caribou

Researchers used motion-triggered cameras to capture photographs of wolves, caribou, and other wildlife species in the Canadian Oil Sands to study the habitat use patterns of these animals and test management strategies aimed at reducing the impacts of the linear developments on caribou. View the source article
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Australian dingo is a unique Australian species in its own right

Since the arrival of British settlers over 230 years ago, most Australians have assumed dingoes are a breed of wild dog. But 20 leading researchers have confirmed in a new study that the dingo is actually a unique, Australian species in its own right. View the source article
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Likelihood of tick bite to cause red meat allergy could be higher than previously thought

The original hypothesis was that humans developed the red meat allergy after being exposed to the alpha-gal protein through a tick that had fed previously on a small mammal. But new data suggests ticks can induce this immune response without requiring the mammal blood meal, which likely means the risk of each bite potentially leading to the allergy is higher than doctors had anticipated. View the source article
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Good dog? Bad dog? Their personalities can change

When dog-parents spend extra time scratching their dogs' bellies, take their dogs out for long walks and games of fetch, or even when they feel constant frustration over their dogs' naughty chewing habits, they are gradually shaping their dogs' personalities. View the source article
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Foxes were domesticated by humans in the Bronze Age

In the northeast of the Iberian Peninsula, between the third and second millennium BC, a widespread funeral practice consisted in burying humans with animals. Scientists have discovered that both foxes and dogs were domesticated, as their diet was similar to that of their owners. View the source article
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Dog burial as common ritual in Neolithic populations of north-eastern Iberian Peninsula

Coinciding with the Pit Grave culture (4200-3600 years before our era), coming from Southern Europe, the Neolithic communities of the north-eastern Iberian Peninsula started a ceremonial activity related to the sacrifice and burial of dogs. The high amount of cases that are recorded in Catalonia suggests it was a general practice and it proves the tight relationship between humans and these animals, which, apart from being buried next to them, were fed a similar diet to humans'. View the sourc
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