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Science Daily: Dog News

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Dogs detect malaria by sniffing socks worn by African children

As the global battle against malaria stalls, scientists may be adding a novel tool to the fight: sniffer dogs. In recent tests trained sniffer dogs successfully diagnosed malaria infections simply by sniffing samples from socks worn briefly by children from a malaria endemic area of West Africa, according to a new study. View the source article
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Seven personality and behavior traits identified in cats

Researchers have developed a new comprehensive questionnaire for surveying feline personality and behavior. A dataset of more than 4,300 cats representing 26 breed groups revealed seven personality and behavior traits, with significant differences observed between breeds.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/dogs/~4/IvbxaTSBBoYView the source article
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Goats prefer happy people

Goats can differentiate between human facial expressions and prefer to interact with happy people, according to a new study. View the source article
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Forensic odorology scientifically validated

Odorology is a technique that uses specially-trained dogs to identify human scent. It is used in police investigations to establish that an individual has been at the scene of a crime. However, there is no international norm on how these dogs are trained. View the source article
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Cracking the genetic code for complex traits in cattle

The global 1000 Bull Genomes Consortium identified the genetic basis for accurately predicting the complex trait of height across cattle and dairy breeds by pooling large genomic datasets and phenotypes collected from 58,000 cattle. The team validated their findings using the DNA of a wild auroch, the ancient ancestor to all cattle and dairy breeds, and, in a world first, demonstrated the genes influencing height in cattle also influence the trait in humans and dogs. View the source article
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Dogs, toddlers show similarities in social intelligence

Researchers have found that dogs and 2-year-old children show similar patterns in social intelligence, much more so than human children and one of their closest relatives: chimpanzees. The research could help scientists better understand how humans evolved socially. View the source article
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Overweight dogs respond well to high-protein, high-fiber diet

A study of overweight dogs fed a reduced calorie, high-protein, high-fiber diet for 24 weeks found that the dogs' body composition and inflammatory markers changed over time in ways that parallel the positive changes seen in humans on similar diets. The dogs achieved a healthier weight without losing too much muscle mass, and their serum triglycerides, insulin and inflammatory markers all decreased with weight loss. View the source article
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A chicken-flavored electrolyte drink could help sniffer dogs stay hydrated

The first comparison of plain water, electrolyte injections and a chicken-flavored electrolyte drink as techniques for keeping sniffer dogs hydrated when working in hot weather finds that while all are safe and effective, dogs drink more and are more hydrated when given a chicken-flavored electrolyte drink. View the source article
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Lipid receptor fosters infection of the uterus in bitches

In the female dog, cells of the uterus can accumulate lipid droplets to form so-called foamy epithelial cells during late metoestrus. These cells produce a hormone that is involved in the implantation of the embryo in the uterus. A team of researchers has now shown for the first time that the factor assisting the cells in lipid accumulation also facilitates the binding of bacteria to the epithelial cells, resulting in serious infections of the uterus in female dogs. View the source article
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Brain scans of service-dog trainees help sort weaker recruits from the pack

Brain scans of canine candidates to assist people with disabilities can help predict which dogs will fail a rigorous service training program, a study by finds. The study found that fMRI boosted the ability to identify dogs that would ultimately fail service-dog training to 67 percent, up from about 47 percent without the use of fMRI. View the source article
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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
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Novel antibiotic resistance gene in milk

A new antibiotic resistance gene has been found in bacteria from dairy cows. This gene confers resistance to all beta-lactam antibiotics including the last generation of cephalosporins used against methicillin-resistant Staphylococcus aureus. A transfer to S. aureus which is likely according to the researchers would jeopardize the use of reserve antibiotics to treat human infections caused by multidrug-resistant bacteria in hospitals. View the source article
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Gene therapy treats muscle-wasting disease in dogs

Dogs with an inherited muscle-wasting disorder that was treated with a single infusion of corrective gene therapy were indistinguishable from normal animals one year later. Puppies with this naturally occurring, fatal genetic mutation and babies with the same defective gene have several similar symptoms. Scientists found a way to safely replace the disease-causing MTM gene with a healthy gene throughout the entire musculature of affected dogs, and are now trying to determine the most effective d
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Snowed in: Wolves stay put when it's snowing

Wolves travel shorter distances and move slower during snowfall events, according to new research. The effects were most pronounced at night, when wolves hunt, and behavior returned to normal within a day. View the source article
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What is your dog’s lifespan? You might be surprised

The Dog Aging Project, founded in 2018, is by far the most ambitious project tackling the question of canine longevity, enrolling and studying tens of thousands of dogs of all sizes, breeds and backgrounds to develop a thorough understanding of canine aging. Their open-source dataset will give veterinarians and scientists the tools to assess how well a specific dog is aging and will set the stage for further research into healthy aging -- in both dogs and people. One of their most intriguing ave
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