Carnitine supplementation to obese Zucker rats prevents obesity-induced type I to type II muscle fiber transition and favors an oxidative phenotype of skeletal muscle

Table 3 Feed intake and body weight gains of lean rats (lean control), obese Zucker rats fed a control diet (obese control) or obese Zucker rats fed a diet supplemented with 3 g/kg diet carnitine (obese carnitine) for 4 wk ¹

	Lean	Obese	Obese
	control	control	carnitine
Feed intake (g/d)	19.7 ± 0.2^c	25.2 ± 0.5^b	26.4 ± 0.4^a
Initial body weight (g)	271 ± 3^b	357 ± 6^a	358 ± 7^a
Final body weight (g)	367 ± 4^b	501 ± 7^a	496 ± 9^a
Daily body weight gain (g)	3.35 ± 0.08^b	5.03 ± 0.13^a	4.85 ± 0.14^a
Feed conversion ratio (g feed/g body weight)	5.90 ± 0.11^a	5.02 ± 0.09^b	5.18 ± 0.18^b

¹Data are expressed as means ± SEM, n = 12 rats/group. Means in a row without a common letter differ (P < 0.05).

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