![]() However, there was a decrease in the subcutaneous, abdominal, tail and total carcass fat in Cr supplemented lambs ( P < 0.01) compared with other experimental groups. There were no significant differences in feed efficiency, hot carcass weight, and dressing percentage among experimental groups. Lambs fed diet supplemented with B3 consumed more feed with a higher growth ( P < 0.05) compared with other groups. Key results: Chromium and B3 supplementation decreased blood glucose, insulin, triglycerides and low-density lipoprotein levels ( P < 0.05). Methods: Twenty male Zandi lambs (23.7 ± 0.73 kg) were allocated into one of four treatments: (1) control (2) 300 µg/ kg DM Cr as chromium methionine (3) 200 mg/kg DM B3 as rumen-protected niacin and (4) 300 µg/ kg DM Cr as chromium methionine + 200 mg/kg DM B3 as rumen-protected niacin. ![]() ![]() However, their effect on meat quality and performance of fat-tail breeds of finishing lambs is unknown.Īim: The aim of this study was to investigate the effect of supplemental chromium (Cr) and niacin (B3) on performance and fat deposition of carcass of finishing lambs. Feed additives like chromium (Cr) and niacin (B3) have been reported to improve meat quality in beef and dairy cattle. Context: Nowadays fat is an unpopular constituent of meat for consumers and therefore, a decrease in fat-tail size is often desirable for producers.
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