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- Cross, H.R.; Schanbacher, B.D.; Crouse, J.D.
- Meat science 1984 v.10 no.3 pp. 187
- beef cattle; steers; beef bulls; Charolais; Simmental; Angus; Hereford; animal age; gender; muscles; musculoskeletal system physiology; collagen; protein synthesis; protein deposition; meat production; beef quality; protein value; solubility; longissimus dorsi; biopsy; hydroxyproline; breed differences; gender differences; analysis of variance; testosterone; animal performance
- ... Longissimus muscle biopsies were obtained from forty bulls and steers representing Charolais, Simmental, Angus and Hereford breeds at 6, 9, 12, 15 and 18 months of age to evaluate the influence of age, breed and sex on the biosynthesis of muscle collagen. Blood samples were collected from each animal at each time period. The blood serum was harvested and assayed for concentrations of testosterone. ...