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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Five young sailors from South Wales will be training in Pwllheli this morning ahead of the Optimist European Championships.
Wildlife experts have warned over the possible extinction of water voles, with a dramatic decline in numbers over the past 45 years.
A Wales Bill paving the way for the transfer of new powers to the Assembly is due to be amongst the new laws set out in the Queen's speech