期刊
ITALIAN JOURNAL OF ANIMAL SCIENCE
卷 22, 期 1, 页码 1050-1066出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/1828051X.2023.2267604
关键词
Breast meat; metabolic-qualitative-nutritional fatty acids indices; Rumex nervosus leaves; organoleptic evaluation; performance index
The addition of Rumex nervosus leaves to broiler diets, particularly at an incorporation rate of 1 g/kg, has been found to improve meat lipid quality, organoleptic characteristics, and broiler performance.
The effects of dietary supplementation with Rumex nervosus leaves (RNL) on fatty acid (FAs) indices, organoleptic evaluation, performance index, and feed efficiency were investigated. This study consists of five treatments. Broilers in treatments 1-4 received basal feed plus RNL at doses of 0, 1, 3, and 5 g/kg, while broilers in treatment 5 received basal feed plus the antibiotic Colimex. On day 34, FAs profile and organoleptic assessment were evaluated, and performance index and feed efficiency were determined for the entire experimental period. Results showed that FAs profile of the breast meat was affected by treatments with varying degrees (p.0.05). The 1 g RNL resulted in the highest eicosapentaenoic acid+docosahexaenoic acid, which resulted in the highest meat lipid quality, the highest elongation index, improved organoleptic characteristics, and tended to improve performance index, feed efficiency, and nutritional index. The 5 g RNL treatment reduced total saturated fatty acids (Sigma SFAs), omega-6/omega-3 ratio, especially linoleic acid/alpha-linolenic acid ratio, alanine aminotransferase, and increased total omega-3 fatty acids, unsaturation index, and Delta 9-desaturase. In conclusion, RNL can be introduced to broiler diets, especially at an incorporation rate of 1 g, and it promotes broiler health and performance because it contains phytoconstituents that can alter the content and indices of FAs meat and improve storability and sensory quality.
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