Breed differences in the histochemical properties of the M. iliotibialis lateralis myofibre of domestic cocks. |
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| Authors: | H Iwamoto Y Hara Y Ono H Takahara |
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| Affiliation: | Department of Animal Science, Faculty of Agriculture, Kyushu University, Fukuoka-shi, Japan. |
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| Abstract: | 1. Reduced nicotinamide adenine dinucleotide dehydrogenase (NADH-DH) activity in the M. iliotibialis lateralis was compared histochemically among 7 breeds of cocks. This muscle was composed only of Type-IIA and -IIB fibres. 2. Apparent breed differences were observed in muscle development, the NADH-DH activity in every fibre type, fibre type distribution and fibre diameters. 3. From the results of this study, it was concluded that the muscle characteristics of various breeds were based not only on the fibre type composition, but also the different activities of oxidative enzyme in every type. |
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