Abstract
The effect of the type of diet (hay vs grass silage) on body composition and characteristics and palatability of semitendinosus (ST) and longissimus thoracis (LT) muscles of 16 month old Salers bulls fed at the same energy levels were studied. Animals fed hay had a lower daily weight gain and carcass weight and were leaner. There were no significant differences in the proportions of fibre types in the ST or LT due to diet. ST muscle of hay fed animals had a lower oxidative metabolism, but contained similar amounts of total and type I collagen and greater amounts, and proportions of soluble collagen and of type III collagen, than those of animals fed grass silage. ST muscles of hay-fed animals were more tender than those of silage-fed animals.
Published Version
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