Which entities can pick up animal remains for cremation?

The correct choice highlights that authorized individuals or agents with contracts are permitted to pick up animal remains for cremation. This reflects a standard practice in veterinary medicine, ensuring that the handling of deceased animals is done by those who are trained and legally recognized to perform these tasks.

Having a contract ensures that these individuals have an established agreement with the veterinary practice or pet owner, which outlines the responsibilities, liabilities, and procedures to be followed. This not only protects all parties involved but also upholds the standards of care and respect for the deceased animals.

In contrast, while veterinarians with permits may play a role in the overall process of animal cremation, they are not exclusively responsible for the physical pickup unless specified by additional agreements or regulations. Similarly, trustees of an estate or pet owners may wish to manage the remains, but primary legal and operational protocols generally designate authorized agents as the primary handlers to maintain compliance with local laws and regulations regarding the proper handling of animal remains.