A 2016 study from the University of Cambridge found that one in four Labradors has pro-opiomelanocortin gene (POMC) mutation which makes them weigh more and have higher body fat composition. This might explain why your Labs always feel hungry or even have obesity problems, besides some other causes such as the imbalance of nutrients or canine diabetes.
If your dog suddenly develops an increased appetite, you should visit a vet for a proper examination. To control his appetite, you should:
✔️Change or adjust your dog’s snacks. Most of the commercial snacks have high caloric content but low nutritional value. Consider healthier alternatives such as vegetables (raw carrot, apple slices, etc.) or even meaty options like pig’s ears and steak.
✔️Cut off table scraps
✔️Slowly reduce daily meal portion
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