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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The Cob to Cardiff Challenge is part of 10 year celebrations at the Wales Millennium Stadium in Cardiff Bay.
Figures published today show earning less than the Living Wage is normal for many Welsh women in part-time jobs.
An unsettled day on the cards today. A mixture of sunshine and showers for all!