490 Accelerating Marbling Deposition in Ruminants.

Fat Deposition in Ruminants

Fat deposition inescapably accompanies skeletal growth and muscle accretion. In early growth deposition of fat and protein occur simultaneously, but beyond a certain body weight protein accretion becomes negligible, and fat gain becomes a large and constant fraction of weight gain. This pattern of tissue development forms the basis of the most successful current strategy for minimising carcass ...

Nutritional and Management Factors Affecting Marbling Deposition

Introduction: The future success of the beef industry will be largely determined by our ability to meet consumer demands. Consumers want beef to be safe, consistently tender, palatable, free of outside fat, easy to prepare, and reasonably priced compared to other proteins. The dramatic increase in the number of cattle marketed through grid pricing structures is an example of the beef industry r...

Factors Affecting Protein Deposition in Ruminants

Growth of protein and fat tissues in animals involves increases in cell numbers and cell size to genetically programmed limits but the stage of maturity, which is highly dependent on diet, sets the time scale for relative rates of development of different tissues. Complex control systems in the body influence feed intake, and how nutrients are partitioned between different tissues, Differences ...

The partitioning of fat in ruminants-can nutrition be used as a tool to regulate marbling?

In this paper we propose that regulation of the glucose/ insulin axis by diet will result in increased fattening at the marbling (intramuscular) depot. The pattern of fat accretion in the whole carcass is first described to emphasise that the marbling depot is relatively late maturing. The pathways of fat metabolism are then discussed with the aim of examining the possibility of regulating fat ...

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