Stress can suppress appetite temporarily
Travel, a new environment, and unfamiliar smells and sounds can all reduce interest in food, even in dogs who normally eat well.
Small adjustments can help
Feeding in a quiet, low-traffic spot, keeping mealtimes predictable, and avoiding hovering or pressure during meals can make eating feel safer.
Duration matters more than a single skipped meal
One smaller meal is rarely a concern on its own. A pattern that continues for more than a day is worth paying closer attention to.
What to avoid
Keep the response gentle.
Avoid switching foods repeatedly to find something exciting. Frequent changes can add digestive stress on top of appetite stress.
Safety boundary
When to get more help.
Contact a veterinarian if your dog refuses food entirely for more than 24 hours, or shows vomiting, diarrhea, or lethargy alongside reduced appetite.