Twenty years ago, Dolly the sheep was born, marking a major scientific breakthrough that followed hundreds of failed attempts and sparking debate over the ethics of cloning and whether the technology might ever be applied to humans. Today, animal cloning is uncommon, although of interest for livestock applications, and experts say Dolly's greatest legacy is in demonstrating the feasibility of animal cell reprogramming and laying the groundwork for many important stem cell research and treatment advances.
Some species of shark lay eggs while others bear live pups, and studying sharks' reproductive process reveals an intricate relationship between pups, parents and the sea, writes veterinarian Bill Van Bonn, Shedd Aquarium’s vice president of animal health. Aquarium veterinarians use prenatal monitoring methods similar to those used by human obstetricians, including ultrasound, and can also shine a bright light through shark eggs to monitor the developing fetus.
A 70-year-old UK woman developed sepsis after her pet Italian greyhound transmitted the Capnocytophaga canimorsus bacterium by licking her, doctors write in BMJ Case Reports. "This report highlights that infection can occur without overt scratch or bite injuries. It also reminds us that the elderly are at higher risk of infection, perhaps due to age-related immune dysfunction and increasing pet ownership," the doctors wrote, but infectious disease specialist Bruce Farber said the infection is rare. The woman recovered after two weeks of intensive care and treatment with antibiotics.
Hundreds of cats of all ages were exposed to panleukopenia virus at the Central California SPCA, and six have died, spokesman Walter Salvari said. "When they come into the shelter, we do vaccinate upon intake, but at times they're already exposed by the time they come in," he said. CCSPA staff have been cleaning the facility's five buildings to prevent further transmission.
The 2009 H1N1 influenza pandemic that killed more than 17,000 people around the world originated in central Mexico and was a combination of a Eurasian swine virus that had circulated for more than a decade in pigs and a North American virus that had circulated in birds, humans and pigs, according to a study published online in eLife.
Mosha, an elephant who lost her leg to a land mine when she was 7 months old, was fitted with a functional prosthetic leg that was modified as she grew, and it supports her weight of more than 2 tons. A second elephant at the hospital where Mosha lives, run by the Friends of the Asian Elephant Foundation, has also received a prosthetic leg, and the FAE has scaled up a production facility to make the prostheses more efficiently.
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Bronwen Dickey attempts to show in her book "Pit Bull: The Battle Over an American Icon" how negative stereotypes about pit bulls have been shaped by misunderstandings -- including the meaning of the label itself, which is often applied to any dog that has a short coat and large head. A study reported in the Journal of the American Veterinary Medical Association found that in more than 80% of fatal dog bite cases, there were at least four significant predictors of aggression related to the care and control of the animal such as inadequate socialization.
A dog who was captured along a busy highway after eluding authorities for weeks following her fall from a truck has a new home after being adopted by the police officer who saved her. Frida was treated for a fracture, infection, ruptured muscle and other issues, and she will need ongoing care including additional surgery.
Many leaders should be having ongoing performance and feedback conversations but aren't, and Marlene Chism spotlights the warning signs of avoidance. "There are only two real barriers to initiating difficult conversations: The avoidance of discomfort, and the lack of skill," she writes.
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George S. Patton, military leader
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