Answer:
The author's point of view about dogs who give blood is positive and supportive. Two details from the article that support this are:
"Dogs that donate blood save lives. In some cases, their donations are the only things keeping other dogs alive." This statement shows that the author believes that dogs who donate blood are important and valuable contributors to the health and well-being of other dogs.
"But with some gentle persuasion and a little help from their owners, these dogs are making a difference and are true heroes." This statement shows that the author views dogs who donate blood as heroes who are making a positive difference in the world.