Increase meal portions gradually
Feed a high-quality, calorie-dense dog food
Offer more frequent meals each day
Add healthy calorie boosters like cooked eggs, plain yogurt, or canned pumpkin
Mix in wet food to increase palatability and calories
Use vet-approved supplements or weight-gain formulas
Limit excessive exercise until a healthy weight is reached
Keep fresh water available at all times
Monitor weight regularly
Consult a veterinarian to rule out illness or parasites before increasing food