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The evaluation of the genotype and slaughter weight effect on meat quality and fatty acid profile from two native sheep

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Abstract

The purpose of this study is to investigate the quality characteristics and fatty acid composition of meat from male Akkaraman (AKK) and Bafra × Akkaraman B1 (BA B1) lambs slaughtered at different live weights. Thirty-six male lambs (18 AKK and 18 BA B1) were slaughtered at three different slaughter weights (35, 40, and 45 kg) after being fattened intensively. Meat physical quality characteristics and fatty acid profiles were used as response variables. Color parameters (L*, a*, and b*) and pH were not significantly influenced by genotype and slaughter weight (SW). Water-holding capacity (WHC) was significantly affected by SW (P < 0.05), cooking loss (CL) by genotype (P < 0.001). Increasing SW, intramuscular fat of the Longissimus thoracis muscle showed increased total unsaturated fatty acids (TUFA) (P < 0.01) and ratios of TUFA/saturated fatty acids (SFA) (P < 0.01), and decreased thrombogenic and atherogenic indices (P < 0.01). Monounsaturated fatty acids (MUFA) (P < 0.05) and polyunsaturated fatty acids (PUFA) (P < 0.01) varied on with the genotypes. In conclusion, genotype and SW did not greatly affect meat quality; however, MUFA and PUFA mutually changed according to the genotype, and fatty acid percentages improved according to the SW.

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Acknowledgements

The authors thank Yuksel Akçay who is manager of Gozlu State Farm, and İlker Çakıcı who is head of the sheep units, and all sheep unit staff.

Funding

Ankara University Scientific Research Projects Coordination Unit (64299502–604.01.02-E.84290) has funded this project.

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Authors

Contributions

O. F. G. and N. U. conceptualized and designed the study. O. F. G. conducted the field implementation and data collection. O. F. G. and N. U. conducted the data analysis and interpretation. O. F. G. wrote the manuscript. N. U., C. O., and H. A. reviewed, edited, and validated the manuscript. All authors read and agreed to publish the final manuscript.

Corresponding author

Correspondence to Ömer Faruk Güngör.

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Ankara University Animal Experiments Local Ethics Committee (File no. 2018–34, Decision no. 2018–4-36) approved the animal procedures of this study.

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The authors declare no competing interests.

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Güngör, Ö.F., Özbeyaz, C., Ünal, N. et al. The evaluation of the genotype and slaughter weight effect on meat quality and fatty acid profile from two native sheep. Trop Anim Health Prod 55, 116 (2023). https://doi.org/10.1007/s11250-023-03523-5

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