PetNid feature

Feeding log for pets: tracking diet and food changes

What a pet eats, how much, and how they react to it says more about their health than most owners realize. A feeding log turns that into something you can actually look back on.

PetNid guide  ·  Updated July 23, 2026

Feeding is one of those routines that runs on autopilot. The same food goes in the same bowl at roughly the same times, and most days nobody thinks about it twice. That is exactly why a change, a new brand, a skipped meal, a sudden loss of interest in food, is worth noticing when it happens.

A feeding log is not about counting calories. It is about having an accurate record of what your pet actually eats, so that if something changes, you can tell exactly when and connect it to what was different.

This guide covers general feeding habits and how to track them. Always follow your vet's guidance for your pet's specific diet, portion sizes, and any food allergies or conditions.

Why consistency and change both matter

Appetite is one of the clearest everyday signals of how a pet is doing. A pet that reliably eats on schedule and then starts eating less, more slowly, or skipping meals is often showing an early sign that something is off. That can happen before any other symptom shows up. Because it happens gradually, it is easy to miss without something to compare against.

Food changes matter just as much. New foods are one of the most common triggers for short-term digestive upset and, less often, a genuine allergy or intolerance. The problem is timing: a reaction can show up right away or take days to appear, which makes it hard to connect back to a specific change from memory alone.

Switching foods without upsetting a stomach

Most vets recommend a gradual transition over 7 to 10 days rather than switching overnight. The usual approach is mixing a small amount of new food into the old one. That ratio increases a little each day until the new food fully replaces the old. Going straight from one food to another, even a high-quality one, is one of the most common causes of temporary loose stool or vomiting.

Watching how a pet responds to a new food is worth doing deliberately rather than just noticing if something goes wrong. Digestive issues, skin or allergy signs like itching or redness, and outright refusal to eat are the three reactions worth watching for in the days and weeks after a change.

Tracking food in PetNid

PetNid keeps a running record of what your pet eats, how it changed over time, and how they reacted to each change. That history becomes something you can check, not something you have to remember.

1
Add the current food
From the Food & Feeding card on the Pet Care tab, tap Add Food. Enter the brand or name, the food type (Dry, Wet, Raw, Mixed, or Homemade), and the date it started.
Add Food screen with brand name, food type, and start date fields
2
Set the routine
Set meals per day and portion size, or turn on Free feeding if food is available most of the day instead of at set meals. Add specific feeding times if you want reminders, and any notes, like mixing instructions or a vet's recommendation.
3
Log a change and how your pet reacted
When you switch foods, tap Change on the Food & Feeding card. First, record how your pet reacted to the food you are moving away from: No issues, Digestive issues, Skin/allergy reaction, Refused to eat, or Other, with an optional reason. Then enter the new food using the same fields as before.
The current food is saved to history automatically when you save a change, so nothing is lost when you switch.
Change Food screen with reaction options for the current food and fields for the new food
4
Check the full history
Open History from the Food & Feeding card to see every food your pet has been on, marked with the current one, along with the dates, portion, routine, and any reaction you recorded.
Food History screen showing the current food and a previous food marked as Refused to eat

Why the reaction field is worth filling in

It is tempting to skip the reaction step when switching foods, especially if nothing seemed wrong. But a log of No issues is just as useful as a log of Digestive issues. It tells you which foods worked and which did not, the next time you are choosing one. If a pattern shows up, several foods causing digestive issues, for example, that history is exactly what a vet needs to help narrow down a cause.

Appetite is one part of a bigger picture. The symptom diary guide covers how to log eating changes alongside energy, mood, and other signs. For a closer look at the feature itself, see the Pet Feeding Log page.

Keep a clear record of what your pet eats

Log meals, track changes, and see the full feeding history in one place.

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