Smaller, more frequent meals may curb cat obesity

Smaller, more frequent meals may curb cat obesity

Increased meal frequency could help increase overall physical activity in cats and reduce obesity.

JUST like for people, feline obesity is most often linked to excessive food intake or not enough physical activity.

Attempts to cut back on calories alone often result in failed weight loss or weight regain in both people and their pets.

So, how can cats be encouraged to get more exercise?

Researchers from the University of Illinois interested in finding a method to maintain healthy bodyweight in cats looked at a previously suggested claim that increased meal frequency could help increase overall physical activity.

The idea is to feed cats the appropriate amount of food needed to maintain a healthy bodyweight, but to offer it in more frequent, smaller meals throughout the day.

University of Illinois animal sciences researcher Kelly Swanson and his group determined that both increasing the frequency of meals fed per day as well as offering meals that contained added dietary water — neither method involved decreasing the overall amount of daily food intake — did promote more physical activity among the cats in the study.

"It all comes down to energy in and energy out. It's very simple on paper, but it's not that easy in real life, especially in a household where there is more than one pet. That can be difficult, but I think these two strategies are very practical ideas that people can use," Swanson said.

During the two-part study, the researchers evaluated the activity of the cats between meals using activity collar monitors. In the first experiment, the cats were divided among four rooms and were given dry kibble meals four times per day, two times per day, one time per day and, in the fourth room, a random number of meals per day. The overall amount of food fed to each cat in each room per day was the same; feeding frequency varied.

In the second experiment, the cats were divided among two rooms and were fed twice per day with a 70% hydrated diet using similar amounts of dry kibble as in the first experiment to maintain bodyweight. Water was added to the kibble an hour before each mealtime, Swanson explained.

The cats were placed in their individual cages only during mealtimes so that the researchers could accurately monitor their food intake. During the activity monitoring times, the cats had limited interaction with people.

The researchers evaluated the cats' food anticipatory activity, which included the activity of each cat two hours before meals were given. During the dry kibble experiment, they noticed that the cats were much more active during those anticipatory times, especially those fed four meals per day and those given meals at random times.

"If they know they are going to get fed, that's when they are really active, if they can anticipate it," Swanson said.

The cats showed an even greater spike in physical activity in the second experiment when they were fed meals with the added water. However, Swanson said the biggest difference in peak activity times with this group occurred in the periods after they had eaten.

"I think veterinarians will be interested in this information because it gives them evidence to be able to recommend something to pet owners that could help with feline obesity and diabetes," Swanson said. "When cats are allowed to feed ad libitum, it's difficult to prevent obesity. It is important to identify the right diet. Many owners are accustomed to dumping a pile of food out for multiple cats just once per day."

Owners often overfeed their cats, assuming that the small amount of food needed isn't going to fill up their pet.

"Because most pet foods are so digestible and nutrient dense, owners see that small bowl of food and think there's no way (cats) can survive on that, but they can," Swanson said.

Volume:86 Issue:08

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