According to country's main animal welfare body, Australia is leading in increasing number of obese pets.

Royal Society for the Prevention of Cruelty to Animals (RSPCA), says that the people show the love by overfeeding their pets thus posing them to increased risks of death.

With world's highest rate of pet ownership, surveys reveal that between 40 and 44 percent of dogs and more than one in three household cats were now overweight, due to poor diet and a lack of exercise, says RSPCA's chief vet Mark Lawrie.

The survey showed that fat cats and dogs were more vulnerable to diabetes, arthritis, heart problems and liver disease.

The RSPCA said de-sexing and lower levels of exercise had an impact on pet obesity, but the key issue was over-eating.