ArticleAnimals : an open access journal from MDPI2022
Effects of Sex on the Muscle Development and Meat Composition in Wuliangshan Black-Bone Chickens.
Article in Animals : an open access journal from MDPI, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 11 citations in OpenAlex.
- Fermented agricultural by-products improve growth performance in indigenous chickens in association with altered ileal microbiota, microbial functional potential, and mucosal responses.Poultry science · 2026Article
- Amino Acid Composition of Meat from Smena 9 Broiler Chickens During Ontogeny Under a High Stocking Density and Dietary Adaptogens Complex.Animals : an open access journal from MDPI · 2026Article
- Metabolite-based genome-wide association analysis reveals genetic loci and candidate genes affecting breast muscle metabolites in Sansui ducks.Poultry science · 2026Article
- Multi-Omics Analysis of the Effects of Sex on Flavor Formation in Xichuan Black-Boned Chicken Meat.Animals : an open access journal from MDPI · 2026Article
- Effects of Genetic Selection on Growth, Nutritional Value, and Amino Acid Profiles of Breast Muscle and Blood in Black-Boned Chickens.Animals : an open access journal from MDPI · 2026Article
- Integrating transcriptome and metabolome reveals sex-dependent meat quality regulation in Qiandongnan Xiaoxiang chickens.BMC genomics · 2025Article
- Genome-wide association analysis explores the genetic loci of amino acid content in duck's breast muscle.BMC genomics · 2024Article
- A Comparison of the Meat Quality, Nutritional Composition, Carcass Traits, and Fiber Characteristics of Different Muscular Tissues between Aged Indigenous Chickens and Commercial Laying Hens.Foods (Basel, Switzerland) · 2023Article
- Nutrition and Flavor Evaluation of Amino Acids in Guangyuan Grey Chicken of Different Ages, Genders and Meat Cuts.Animals : an open access journal from MDPI · 2023Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
This study was conducted to illustrate the morphological features of the breast and thigh muscles at four developmental stages (1, 42, 84, and 126 days of age) of Wuliangshan Black-bone chickens and to compare the chemical composition, fatty acid, and amino acid contents of their meat at 126 days of age (D126). In total, 80 chickens (male, n = 40 and female, n = 40) in the sixth generation from the breeding farm were used in the experiment under free-range rearing conditions. The cross-sectional areas (CSA) of muscle fibers and meat composition were compared between different sex and different muscle types. The results showed that gender did not affect the CSA of the breast muscle fibers but did affect the CSA of the thigh muscle fibers at D42, D84, and D126 (p < 0.05). Muscle types affected the CSA of muscle fibers: male chickens exhibited significantly higher values than female chickens at D42, D84, and D126 (p < 0.05). The results of moisture, crude protein, and crude fat at D126 showed that moisture contents were higher in the thigh muscles than in the breast muscles in male and female chickens (p < 0.05). Gender affected the crude protein contents and crude fat contents: the breast muscle crude protein content was significantly higher than that in the thigh muscle, both in males and females (p < 0.05), whereas the crude fat contents were significantly higher in females than in males (p < 0.05); moreover, the thigh muscle fat contents were significantly higher than those of the breast muscles both in males and females (p < 0.05). Gender and muscle types also affected the fatty acid contents: the PUFA contents of the breast and thigh muscles were significantly higher in male than in female chickens (p < 0.05). Muscle types significantly influenced the total EAA, NEAA, and flavor amino acid contents. The total EAA contents of the breast muscles were significantly higher than those of the thigh muscles in males and females (p < 0.05), whereas the total NEAA and total flavor amino acid contents of the thigh muscles were significantly higher than those of the breast muscles (p < 0.05). Our results may lead to a better understanding of the effects of gender on the breast and thigh muscle development and meat composition of Wuliangshan Black-bone chicken.
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