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Science Daily: Dog News

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Domestication has not made dogs cooperate more with each other compared to wolves

Following domestication, dogs should be more tolerant and cooperative with conspecifics and humans compared to wolves. But looking at both in more naturalistic living conditions, however, speaks for more cooperative behavior of wolves. Researchers now show that the wild ancestors are excelling their domesticated relatives in teamwork. In an experimental approach dogs but not wolves failed to cooperatively pull the two ends of a rope to obtain a piece of food. View the source article
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Unraveling the genetics of disc disease in dogs

Since the early 1900s, veterinarians have observed intervertebral disc disease -- a common cause of back pain, rear limb paralysis and inability to walk -- more frequently in dogs with short legs (dachshund, French bulldog, and Pekingese to name a few.) But they couldn't pinpoint why -- until now.Why short-legged dogs more likely to develop painful disease View the source article
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How rabies can induce frenzied behavior

Scientists may finally understand how the rabies virus can drastically change its host's behavior to help spread the disease, which kills about 59,000 people annually. A new study shows how a small piece of the rabies virus can bind to and inhibit certain receptors in the brain that play a crucial role in regulating the behavior of mammals. This interferes with communication in the brain and induces frenzied behaviors that favor the transmission of the virus. View the source article
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The hormone that could be making your dog aggressive

Thousands of people are hospitalized every year for dog bites, and aggressive behavior is a major reason dogs end up in shelters. Biologists have studied the biology behind canine aggression, specifically the role of the hormones vasopressin and oxytocin. View the source article
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Obese dogs helped by 'effective' weight loss trials

On average overweight dogs lose an average of 11 percent of their body weight when enrolled on a weight loss trial according to researchers who have conducted the largest international multi-center weight study. View the source article
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Dogs' social skills linked to oxytocin sensitivity

The tendency of dogs to seek contact with their owners is associated with genetic variations in sensitivity for the hormone oxytocin, according to a new study. The results contribute to our knowledge of how dogs have changed during their development from wolf to household pet. View the source article
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Wolves understand cause and effect better than dogs

A rattle will only make noise if you shake it. Animals like the wolf also understand such connections and are better at this than their domesticated descendants. Researchers say that wolves have a better causal understanding than dogs and that they follow human-given communicative cues equally well. The study provides insight that the process of domestication can also affect an animal's causal understanding. View the source article
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Research dog helps scientists save endangered carnivores

Scat-sniffing research dogs are helping scientists map out a plan to save reclusive jaguars, pumas, bush dogs and other endangered carnivores in the increasingly fragmented forests of northeastern Argentina, according to a new study. View the source article
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An alternative to wolf control to save endangered caribou

The iconic woodland caribou across North America face increasing predation pressures from wolves. A short-term solution to caribou conservation would be to kill wolves. But a new government policy looks at reducing the invasive species moose numbers propping up the wolf population. Researchers have now evaluated the effects of this policy on the caribou population. View the source article
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New therapeutic antibody for dog cancers

Scientists have developed a new chimeric antibody that suppresses malignant cancers in dogs, showing promise for safe and effective treatment of intractable cancers. View the source article
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Largest-ever study of pets and kids' health finds no link

A large body of research has reported an association between the pet ownership and better health among children. But a new study that is the largest-ever to explore the issue contradicts the common thinking. Researchers did find that children from pet-owning families tended to have better general health, but those differences disappeared when factors such as family income and family housing were considered. View the source article
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The truth about cats' and dogs' environmental impact

US cats and dogs cause 25-30 percent of the environmental impact of meat consumption in this country. The nation's 163 million cats and dogs eat as much food as all the people in France. People should keep their pets -- and keep feeding them meat -- but there may be steps pet owners can take to reduce their environmental impact, says a researcher. View the source article
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Whole genome sequencing identifies cause of zoonotic epidemic

For the first time, researchers have used whole genome sequencing to identify the cause of a zoonotic infection that sparked a national epidemic. Researchers describe their use of whole genome sequencing to determine the cause of a respiratory disease that ripped through a population of native horses in Iceland several years ago. View the source article
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