Italian researchers have increased our understanding of grief in dogs. Whether the changes are behavioral or actual grief are not clear, but the research indicates dogs are affected by the loss of a canine companion in multi-dog homes.
Knowing that dogs likely experience changes due to grief can help both researchers and pet owners.
Source: Treehugger, March 2, 2022. Link. Researchers found the majority of owners reported changes in the surviving pet’s behavior after their canine friend had died. About one-third said those changes lasted between two and six months and one-quarter reported that lasted longer than six months.