We have a large (350+) colony of chronically housed beagles. In early 2016, several of our animal care technicians came up with the idea of training the beagles with some basic commands in order to help the techs better perform their husbandry duties. Examples of behaviors for training included dogs that would refuse to move into their home cage for feeding/separating, dogs that would leap out of the cage when the door was opened, dogs that would keep their feet in their food bowls when the

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... s would attempt to remove the bowl. We began with a small pool of 10 dogs, the worst offenders of these behaviors, and created a plan using a clicker and target training to teach the dogs to move on command and to hold still when the door to their cage was opened. In 2018, we have now successfully trained over 150 dogs using operant conditioning strategies. Our dog training program has also grown to include the training of dogs displaying stereotypic and other concerning behaviors. We describe the processes we have used in our training, our success rate, maintenance of training, and some obstacles that we have faced along the way. P4 Accurate Animal Tracking: From Weaning to Necropsy B Gien * Surgery, Envigo, Indianapolis, IN Using radio frequency identification for electronic study tracking, including animals, surgery, dosing, necropsy, data acquisition, and management can improve accuracy, quality, and efficiency during lab Based on literature that demonstrates a stress response associated in mice when placed in a novel environment, it is recommended that mice to be euthanized remain in their home cage to minimize distress. Abstracts of scientific papers 2018 AALAS National Meeting of restraint. The timer started as the restrainer was prepared and ended after the last rat was returned to the cage. Preliminary results demonstrated that the sewn pocket restrainer is more efficient. It took an average of approximately 30% longer to restrain 6 rats in the towel compared to the sewn restrainer.