Calgary Zoo Association of Zoos and Aquariums. The report, released in 2010, spotlighted systemic problems. In response, the zoo developed a 36-point plan that included improving animal care procedures and collection planning, addressing staffing issues like training and structure, enhancing security systems and safety drills, and upgrading aging zoo infrastructure. Later that year, the zoo hired noted animal welfare specialist, Dr. Jake Veasey, who has since instituted major changes and spearheaded new investment in animal facilities. In March 2012, Amur tiger Katja gave birth to three Amur tiger cubs at the zoo. The species is so highly endangered (there are an estimated
Hip replacement (animal) as human replacements were, historically, made—a metal (cobalt chrome or titanium) femoral component, and an ultra high molecular weight polyethylene acetabular component. Since animals have a shorter life than humans, their hip replacements can safely be assumed to be lifelong and will not wear out or need replacing. By contrast, human hip replacements are sometimes deferred until older, to avoid the possible need for replacement later on in life. Other treatments may give a good quality of life with fewer attendant risks. Surgery for dogs, as with humans, is a final alternative when non-invasive methods are unable to treat a