Table 2.

Meal pattern parameters (mean ± SEM) for pellet diet (wild-type, n = 15; mutant, n = 15) and liquid diet (wild-type, n = 12; mutant, n = 12)

	Pellet diet		Isocal liquid diet
	Wild-type (+/+)	Mutant (−/−)	Wild-type (+/+)	Mutant (−/−)
Body weight (gm)	26.6  ± 0.96	25.4  ± 0.75	25.6  ± 0.78	25.5  ± 0.94
Total intake2-a	166.1  ± 5.3	159.7  ± 9.3	11.32  ± 0.34	12.37  ± 0.47
Meal size2-a	14.91  ± 0.64	18.56  ± 2.25	see Fig.12B
Meal duration (min)	see Fig. 12A		17.2  ± 1.75	18.6  ± 1.75
Meal frequency2-b	11.7  ± 2.3	9.9  ± 0.8	17.8  ± 0.5	16.8  ± 0.7
Intake rate2-c	1.7  ± 0.17	1.23  ± 0.16	42.3  ± 0.4	47.1  ± 0.5
Intermeal interval (min)	61.97  ± 1.7	61.54  ± 3.3	42.02  ± 1.3	39.61  ± 1.1

Each measure was averaged daily. The tabled values are based on the average of these daily values over the last 6 d of behavioral testing (days 9–14).

^F2-a Number of pellets.

^F2-b Number of meals.

^F2-c Pellet diet, pellets per minute; Isocal diet, milligrams of Isocal per minute.