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Science Daily: Dog News

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Migrating birds may bring bird flu to North America

The highly pathogenic influenza strain currently infecting wild birds and domestic poultry in several European countries could be transmitted to birds in North America as migratory flyways of some European and North American wild bird species overlap in the northern reaches of Canada, an expert on influenza viruses and the spread of the virus in animals says. View the source article
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Scat sniffer dogs tell researchers a lot about endangered lizards

Dogs can be trained to find almost anything, but one researcher had them detect something a little unusual -- the scat of endangered blunt-nosed leopard lizards. The dogs helped find out how important shrubs are in preserving lizard populations in the face of climate change. View the source article
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Pets are a child’s best friend, not their siblings

Children get more satisfaction from relationships with their pets than with their brothers or sisters, according to new research. Children also appear to get on even better with their animal companions than with siblings. View the source article
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A wolf's stowaways

Since the year 2000, the Eurasian grey wolf, Canis lupus lupus, has spread across Germany. For researchers, a good reason to have a closer look at the small “occupants” of this returnee and to ask the question whether the number and species of parasites change with an increasing wolf population. This was the case, because the number of parasite species per individual wolf increased as the wolf population expanded. Furthermore, cubs had a higher diversity of parasite species than older animals. T
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Dogs share food with other dogs even in complex situations

Dogs also share their food, albeit mainly with four-legged friends rather than strangers. A new study has now confirmed this prosocial behavior among canines. The more complex methodology of the study, however, showed that the experimental set-up has an impact on the dogs' behavior and that even the mere presence of another dog makes the animals more generous. View the source article
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Scientists develop new flu vaccines for dogs

Just like humans, dogs can catch the flu. Two new vaccines for canine influenza could curb the spread of flu in shelters and kennels and prevent the possible transmission of a dog flu virus to people. View the source article
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How a dog's diet shapes its gut microbiome

Studies of the gut microbiome have gone to the dogs -- and pets around the world could benefit as a result. In a new paper, researchers report that the ratio of proteins and carbohydrates in a canine's daily diet have a significant influence on the balance of microbes in its gut. Researchers observed that dogs fed a high-protein, low-carbohydrate diet had enriched microbial gene networks associated with weight loss in humans. View the source article
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'Bring it back,' but within bounds: Retrieval strains the forelimbs of dogs

Hunting dogs such as the popular breed retriever are ideally suited for retrieving birds or small game. However, the weight the dogs carry strains their locomotor system. A motion study has shown that the dogs tilt forwards like a seesaw when they carry the prey in their mouths. This can make already existing joint and tendon damage worse. Therefore, adjusted weights should be used for the training of puppies and adult dogs. Furthermore, the joints should be checked regularly by specialists. V
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Do dogs of all ages respond equally to dog-directed speech?

People tend to talk to dogs as though they are human babies. A new study shows that people speak more slowly and with a higher tone to dogs of all ages -- both adults and puppies -- and that puppies respond most readily to this dog-directed speech. View the source article
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Bisphenol A in canned dog food may increase BPA concentrations in pets

Bisphenol A (BPA) is a widely used industrial chemical found in many household items, including resins used to line metal storage containers, such as food cans. Now, researchers have found that short-term feeding of canned dog food resulted in a significant increase of BPA in dogs. Scientists believe that because of shared environments, dog exposure to BPA through canned foods could have human health implications. View the source article
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Rare combination of genetic changes increases the virulence of canine distemper virus

The long-running debate about why just one of several canine distemper virus (CDV) outbreaks in the Serengeti in Tanzania during the past 25 years was fatal for lions and spotted hyenas has been resolved. An international team of scientists conducted genetic analyses of CDV strains obtained from a range of carnivores between 1993 and 2012 and discovered that lethal CDV infections in lions and hyenas during the 1993/1994 epidemic was caused by a rare and genetically distinct CDV strain with three
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Your dog remembers what you did

People have a remarkable ability to remember and recall events from the past, even when those events didn't hold any particular importance at the time they occurred. Now, researchers have evidence that dogs have that kind of "episodic memory" too. View the source article
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First-time reconstruction of infectious bat influenza viruses

All known Influenza A viruses originate from aquatic birds that serve as virus reservoirs in nature. Avian viruses can cause severe disease and may lead to devastating pandemics when introduced into the human population. Therefore, a world-wide surveillance program has been set up to monitor influenza virus activity in birds. Surprisingly, bats were recently identified as a potential new source of influenza viruses. View the source article
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