The DOI matches its Crossref record.
Fatty acid composition, including conjugated linoleic acid, of intramuscular fat from steers offered grazed grass, grass silage, or concentrate-based diets.
Abstract
The effects of grazed grass, grass silage, or concentrates on fatty acid composition and conjugated linoleic acid (cis-9, trans-11-18:2; CLA) concentrations of i.m. fat of steers fed to achieve similar carcass growth rates were investigated. Fifty steers were divided into 10 blocks based on body weight and assigned at random from within blocks to one of five dietary treatments. The experimental rations offered daily for 85 d preceding slaughter were 1) grass silage for ad libitum intake plus 4 kg of concentrate, 2) 8 kg of concentrate plus 1 kg of hay, 3) 6 kg of grazed grass DM plus 5 kg of concentrate, 4) 12 kg of grazed grass DM plus 2.5 kg concentrate, or 5) 22 kg of grazed grass DM. The concentration of polyunsaturated fatty acids (PUFA) in i.m. fat was higher (P < .05) for steers offered ration 5 than for those given any other ration. Decreasing the proportion of concentrate in the diet, which effectively increased grass intake, caused a linear decrease in the concentration of i.m. saturated fatty acids (SFA) (P < .01) and in the n-6:n-3 PUFA ratio (P < .001) and a linear increase in the PUFA:SFA ratio (P < .01) and the conjugated linoleic acid concentration (P < .001). The data indicate that i.m. fatty acid composition of beef can be improved from a human health perspective by inclusion of grass in the diet.
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Citations
Cited by
A review of fatty acid profiles and antioxidant content in grass-fed and grain-fed beef
Daley, C. A., Abbott, A., Doyle, P. S., Nader, G. A., & Larson, S. (2010) · Nutrition Journal · doi:10.1186/1475-2891-9-10 · Cited by 807
Meat fatty acid composition as affected by fatness and genetic factors: a review
De Smet, S., Raes, K., & Demeyer, D. (2004) · Animal Research · doi:10.1051/animres:2004003 · Cited by 722
The role of microbes in rumen lipolysis and biohydrogenation and their manipulation
Lourenço, M., Ramos-Morales, E., & Wallace, R. J. (2010) · animal · doi:10.1017/s175173111000042x · Cited by 401
den Hartigh, L. (2019) · Nutrients · doi:10.3390/nu11020370 · Cited by 371
Omega-3 Fatty Acid Biochemistry: Perspectives from Human Nutrition
Innis, S. M. (2014) · Military Medicine · doi:10.7205/milmed-d-14-00147 · Cited by 45
Metadata
- Authors
- French, P., Stanton, C., Lawless, F., O'Riordan, E. G., Monahan, F. J., Caffrey, P. J., & Moloney, A. P.
- Venue
- Journal of Animal Science
- Publisher
- Oxford University Press (OUP)
- Published
- 2000
- Volume
- 78
- Issue
- 11
- Pages
- 2849
- ISSN
- 0021-8812 (ISSN-L)
- OpenAlex
- W179339995
- Cited by
- 700
- References
- 0
- FWCI
- 39.94
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Fatty acid composition, including conjugated linoleic acid, of intramuscular fat from steers offered grazed grass, grass silage, or concentrate-based diets. https://app.cochat.ai/papers/10.2527/2000.78112849x
- The paper
- French, P., Stanton, C., Lawless, F., O'Riordan, E. G., Monahan, F. J., Caffrey, P. J., & Moloney, A. P. (2000). Fatty acid composition, including conjugated linoleic acid, of intramuscular fat from steers offered grazed grass, grass silage, or concentrate-based diets. Journal of Animal Science. https://doi.org/10.2527/2000.78112849x
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
