Abstract
We analyzed the riboflavin and niacin contents of individual cuts from clod (triceps brachii), ribeye (longissimus thoracis), top round (semimembranosus), and top sirloin (gluteus medius) from 24 fed bison bulls. The bulls came from producers in the United States and Canada and had consumed concentrate diets plus hay free choice for at least 100 d. The mean riboflavin and niacin concentrations of all of the bison cuts combined were .094 and 1.910 mg/100 g wet weight, respectively. The riboflavin and niacin content values did not differ (P < .05) among the cuts of meat. Cuts from individual bulls were significantly different (P < .05) with regard to both riboflavin and niacin contents. Little variation was observed in riboflavin and niacin content of five bison from the same producer and two bison from another producer. These content values may be used in estimating the riboflavin and niacin content of bison meat.
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