The PDSA charity says a large number of pet owners in Wales and across the UK aren't feeding their animals the right diet.
The organisation warns that a poor diet combined with a lack of exercise could lead to reduced life expectancy in a pet.
Pet obesity poses not only major health risks such as diabetes, arthritis and heart disease, but sadly also means daily misery for millions of pets who are feeling the strain from carrying too much weight.
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We've seen the worst of the wet and windy weather, with sunshine and some showers on the way tomorrow.
Yellow weather warnings remain in place across Wales, expect a wet and windy day.
Wales will be represented in the semi-finals after Jade Jones and Lauren Williams triumphed in their quarter final matches.