Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to feed picky chihuahuas [title] Take a trip to the vet. [step] If your chihuahua is a normal, regular eater and stops eating within a short period of time, i.e., a week, this can indicate a problem. Inappetence is a symptom of many dog illnesses.

Ending1: If this is your dog, then you need to take it to the vet immediately, especially if it is coupled with weight loss, and/or vomiting and diarrhea. [substeps] Hormonal changes, such as females in heat, could also be a reason for why your dog is eating less. Ending2: [substeps] In any case, take your puppy to the vet on a regular basis. The vet can assess what is going on and prescribe the necessary treatment. Ending3: Blosores as mentioned above may only be a precursor to a problem. [title] Monitor your chihuahua for blosores. Ending4: That is why you need to take a trip to the vet if your dog is lactose intolerant, not a medical condition. Caring for a picky eater can reduce their intake of food and help you detect nutritional deficiencies.

Answer format: ending1/ending2/ending3/ending4