Effects of chromium picolinate (CrP) on growth performance, carcass characteristics and serum traits in growing-finishing pigs

Min, J.K.; Kim, W.Y.; Chae, B.J.; Chung, I.B.; Shin, I.S.; Choi, Y.J.; Han, I.K.

Asian Australasian Journal of Animal Sciences 10(1): 8-14

1997


ISSN/ISBN: 1011-2367
Accession: 002821047

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Abstract
64 crossbred pigs, mean weight 20 kg, were fed on diets containing chromium as chromium picolinate 0, 100, 200 or 400 ppb for 103 days. Diets for the growing phase were fed until they reached a body weight of 60 kg while those for the finishing phase were fed until they achieved 100 kg body weight. There were no significant differences in daily liveweight gain, feed intake and feed conversion efficiency among treatments during the growing phase; in the finishing phase, feed intake was lower (P<0.1) in groups fed on Cr 200 ppb than in other treatments. Feed conversion efficiency improved in Cr-supplemented groups compared with the control. Carcass weight was similar in all treatments while carcass length was greater (P<0.05) in groups fed on Cr 200 ppb. Carcass fat was less in Cr-fed groups compared with the control. No significant differences were observed with respect to blood glucose, insulin, total cholesterol, triglycerides or non-esterified fatty acids at 60 kg body weight. At 100 kg body weight, blood triglyceride was lower in groups supplemented with Cr 200 and 400 ppb but higher in those supplemented with Cr 100 ppb (P<0.05). In vitro lipolysis and protein synthesis in adipose tissues increased as dietary Cr increased from 0 to 200 ppb (P<0.1). It is concluded that Cr 200 ppb in a growing-finishing diet could improve feed conversion efficiency and carcass traits.