Fibroblast growth factor receptor 3 effects on proliferation and telomerase activity in sheep growth plate chondrocytes |
| |
Authors: | Logan B Smith Janelle M Belanger Anita M Oberbauer |
| |
Institution: | Department of Animal Science, University of California, Davis, CA 95616, USA |
| |
Abstract: | BackgroundThe current study evaluated the subcutaneous fatty acid (FA) composition of calf- and yearling-fed steers with or without growth promoting implants. Crossbred steers (n = 112; 267 ± 5.0 kg) of the same contemporary group were allocated to one of four production system and implant strategy based treatments in a completely randomized design with a 2 × 2 factorial arrangement of treatments.ResultsThere were no interactions (P > 0.05) between production systems and growth promoting implants for the total and individual subcutaneous FA. Yearling as opposed to calf finishing reduced (P < 0.05) subcutaneous proportions of C20:3n-6, trans (t)12-18:1, C14:0, several minor cis-monounsaturated FA (c-MUFA; c9-14:1, c11-16:1, c11-18:1, c12-18:1, c13-18:1, c9-20:1 and c11-20:1), and increased (P < 0 .05) subcutaneous proportions of t11c15-18:2, total and individual branched-chain FA. Subcutaneous fat from steers implanted with growth promotants had higher (P < 0.05) proportions of total polyunsaturated FA (PUFA), total n-6 PUFA, C18:2n-6 and individual t-18:1 isomers (t6 to t10) compared to non-implanted steers.ConclusionsOverall, current findings show that production systems and growth promotants led to only minor differences in subcutaneous FA composition of beef steers. |
| |
Keywords: | Chondrocytes Growth-plate Telomerase Fibroblast growth factor receptor 3 Thyroid hormone Sheep |
本文献已被 CNKI 维普 万方数据 等数据库收录! |
|