Top Dog Predator Bait is based on bobcat meat and has been in the testing stage for several seasons. The results have been excellent! Top Dog Predator Bait contains a mix of both fresh and aged bobcat meat with just the right of additives to make it irresistible to any passing coyote, fox or bobcat. This is NOT another variation of the Nelson Bait Formula! Top Dog is something different. Top Dog Predator Bait for is for all season trapping.