Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to ease your dog's stomach problems [title] Recall if this is the first time. [step] If this is the first time your dog has had a digestive problem or if you have a young puppy, call your veterinarian for advice. Small dogs and puppies have small body reserves, so even mild diarrhea can lead to rapid dehydration.

Ending1: If this happens to your recently cycled dog, call your veterinarian. Though more detailed research might be needed, a recent study showed a high likelihood of kidney problems developing either during the course of a six month cycle or as the dog ages. Ending2: Before your pup has a bowel function check on him to ensure it is ok. [substeps] Ask your veterinarian for a chart showing how much food is in every day. Ending3: [substeps] Call your veterinarian or vet to make an appointment for proper digestion. [title] Remember to inspect your dog's digestive tract. Ending4: [substeps] Young puppies are particularly susceptible to parvo. Dogs can seem like picky eaters the first time they are in a new home or environment.

Answer format: ending1/ending2/ending3/ending4