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[Consumption and ruminating behavior in sheep. 5. Continuous registration and recording of consumption and rumination dependent jaw movements in sheep based on acceleration measurements].

A method of the registration of the feed intake and ruminating behaviour of sheep which uses piezoelectric converters was tested. The appliance-technological solution and the feasibility and routine measurings are described. It showed that measurings on the basis of acceleration registration produced similar results as the 'halter method with plate feelers' used so far and that disturbance of the test animals is reduced.

Animal Feed↗

Consumption of diacylglycerol oil as part of a reduced-energy diet enhances loss of body weight and fat in comparison with consumption of a triacylglycerol control oil.

BACKGROUND: Diacylglycerol is a natural component of edible oils that has metabolic characteristics that are distinct from those of triacylglycerol. OBJECTIVE: We assessed the efficacy of an oil containing mainly 1,3-diacylglycerol in reducing body weight and fat mass when incorporated into a reduced-energy diet. DESIGN: The study was a randomized, double-blind, parallel intervention trial that was conducted at an outpatient clinical research center. The subjects (n = 131) were overweight or obese men (waist circumference > or = 90 cm) and women (waist circumference > or = 87 cm). Food products (muffins, crackers, soup, cookies, and granola bars) containing diacylglycerol or triacylglycerol oil and having the same fatty acid composition were incorporated into a reduced-energy diet (2100-3350-kJ/d deficit) for 24 wk. Percentages of change in body weight, fat mass, and intraabdominal fat area were assessed. RESULTS: In an intention-to-treat analysis, body weight and fat mass decreased significantly more in the diacylglycerol group than in the triacylglycerol group (P = 0.025 and 0.037, respectively). By the end of the trial, mean body weight had decreased 3.6% and 2.5% in the diacylglycerol and triacylglycerol groups, respectively. Fat mass decreased 8.3% and 5.6% in the diacylglycerol and triacylglycerol groups, respectively. CONCLUSION: Foods containing diacylglycerol oil promoted weight loss and body fat reduction and may be useful as an adjunct to diet therapy in the management of obesity.

Abdomen↗