2007
DOI: 10.1111/j.1740-0929.2007.00483.x
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Comparative observations on the growth changes of the histochemical property and collagen architecture of the Musculus pectoralis from Silky, layer‐type and meat‐type cockerels

Abstract: Growth‐related changes in the histochemical properties and collagen architecture of the Musculus pectoralis were compared among Silky, layer‐type and meat‐type cockerels. Histochemical and immunohistochemical methods were used and collagen architecture was studied using scanning electron microscopy. The total amount of collagen present was also measured. The diameter of type IIB myofibers was similar or rather larger in the layer‐type birds compared with the meat‐type. The collagen content was generally low fo… Show more

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Cited by 11 publications
(9 citation statements)
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References 32 publications
(81 reference statements)
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“…This growth‐related change of endomysial thickness has already been reported in chickens (Nakamura et al. 2004; Oshima et al. 2007a,b),wild boars and domestic pigs (Fang et al.…”
Section: Discussionsupporting
confidence: 75%
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“…This growth‐related change of endomysial thickness has already been reported in chickens (Nakamura et al. 2004; Oshima et al. 2007a,b),wild boars and domestic pigs (Fang et al.…”
Section: Discussionsupporting
confidence: 75%
“…Because the collagen concentration remains within a relatively narrow range throughout the different growth stages (Nakamura et al. 2004; Oshima et al. 2007a,b), inconsistent results may be obtained depending on the experimental conditions.…”
Section: Discussionmentioning
confidence: 99%
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“…In the pectoralis muscle the collagen content is low between 5 and 10 weeks of age, a similar age to a general broiler, and then by 15 weeks of age increases to about twice the original value in meat birds and layers (Oshima et al . 2006).…”
Section: Discussionmentioning
confidence: 98%
“…In the present study, in the iliotibialis lateralis muscle the same tendency was recognized in the layers but not in the meat birds, indicating that the result depended on the muscle type. Silky birds, with their small body size, showed the lowest collagen content in both the pectoralis and iliotibialis muscles (Oshima et al . 2006).…”
Section: Discussionmentioning
confidence: 99%