Providing adequate browse for species that specialize in such diet items can be a huge challenge for any zoological institution due to availability, cost, and quality. While many species adapt to the higher cell wall and lower nutrient levels found in grass hay and quality commercial diets designed to supplement the perishable nutrients that fresh browse provides, there are physiological, behavioral, and health-related tradeoffs to feeding animals foodstuffs that vary significantly from what they'd eat in a suitable, healthy wild habitat. Nutritionist, Dr. Katie Kerr has years of experience working with large and diverse animal collections in major US zoos. She discusses her affinity for problem-solving and the ways zoo animal nutrition has improved and where we ought to be headed to further enhance this major component of animal well-being. Animal Care Software