Why was Dr. Herriot worried about Tricki? Dr. Herriot was worried about Tricki, because the latter was overweight and unable to walk. Moreover, Mrs. Pumphrey gave him extra food, sweet things etc. He was hardly given any exercise. Related posts: What was Tricki’s ailment? How did it worry Mrs. Pumphrey? What suggestions were given by Dr. Herriot to Mrs. Pumphrey at the initial stage? Give a brief account of Mourad’s joy ride. Why did Maxwell put the otter back in the box? What do you think he felt when he did this?