Weight loss effect of dietary diacylglycerol in obese dogs
2006
Umeda, Takuya | Bauer, J.E. | Otsuji, K.
Obesity in dogs and cats have been increasingly recognized in recent years. Because obesity underlies various diseases, pet owners and veterinarians have an important responsibility to help animals lose weight and maintain their health. Diet therapy, however, is typically based on limited calorie intake and animals may suffer stress from hunger and this is also a concern to animal owners. For this reason, many clients drop out of weight control programmes. In the present study, we focused on dietary diacylglycerol (DAG) as a potentially effective ingredient for canine weight control without caloric restriction. We replaced a portion of the fat in dog food with either DAG or triacylglycerol (TAG), referred to as DAG or TAG diets here, and fed overweight beagle dogs (body condition score of 4 or higher) with either the DAG or TAG diet for a 6-week period. Results indicated that, even though the food composition other than fat type were identical, dogs fed the DAG diet showed a statistically significant reduction in body weight averaging a 2.3% reduction within 6 weeks while the TAG-fed dogs maintained their obese body weights. In addition, the DAG group also showed a reduction in body fat content, serum triglyceride and total cholesterol concentrations. These results suggest the possibility of developing a pet food using DAG to control weight and serum lipid levels without compromising caloric intake.
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