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Kansas Agricultural Experiment Station Research Reports

Journal

2014

2014; Beef; Omega-3 fatty acids; Rumen; Carcass traits

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Full-Text Articles in Life Sciences

Encapsulation Of Flaxseed In A Dolomitic Lime Matrix: Effects On Feedlot Performance And Carcass Characteristics Of Steers Vs. Heifers (2014), G. Feltrin, Christian A. Alvarado-Gilis, Cadra L. Van Bibber-Krueger, D. Klamfoth, James S. Drouillard Jan 2014

Encapsulation Of Flaxseed In A Dolomitic Lime Matrix: Effects On Feedlot Performance And Carcass Characteristics Of Steers Vs. Heifers (2014), G. Feltrin, Christian A. Alvarado-Gilis, Cadra L. Van Bibber-Krueger, D. Klamfoth, James S. Drouillard

Kansas Agricultural Experiment Station Research Reports

We have investigated the potential for using hydrated lime to form protective matrices with oil-rich feeds, such as flaxseed, to increase the incorporation of omega-3 fatty acids into meat. Dolomitic lime is mixed with ground flaxseed, water is added, the mixture is blended in a high-speed turbulizer, and the resulting material is then dried to form a granular matrix. During the manufacturing process, a portion of the hydrated lime becomes recarbonated. This recarbonated matrix is ruminally stable, which prevents rumen microbes from converting polyunsaturated oils to saturated fats. Additional recarbonation occurs in the rumen due to exposure to high concentrations …


Utilization Of Omega-3 Fatty Acids Is Improved By Embedding Flaxseed In A Matrix Of Dolomitic Lime Hydrate (2014), Christian A. Alvarado-Gilis, Cadra L. Van Bibber-Krueger, K. A. Miller, E. San Vito, G. Feltrin, D. Klamfoth, James S. Drouillard Jan 2014

Utilization Of Omega-3 Fatty Acids Is Improved By Embedding Flaxseed In A Matrix Of Dolomitic Lime Hydrate (2014), Christian A. Alvarado-Gilis, Cadra L. Van Bibber-Krueger, K. A. Miller, E. San Vito, G. Feltrin, D. Klamfoth, James S. Drouillard

Kansas Agricultural Experiment Station Research Reports

Omega-3 fatty acids are essential nutrients for humans, but American diets are often deficient in these important long-chain fats. Incorporating greater proportions of omega-3 fatty acids into beef offers a means of increasing daily consumption of essential fats, while also enhancing the perceived value of beef. In cattle, dietary polyunsaturated fats are extensively hydrogenated into saturated fats by microbes in the rumen. This effectively decreases the efficiency of transfer for fats from the animal's diet into edible beef tissues, because the bacteria convert more than 90% of the polyunsaturated fats into saturated fats before they are absorbed into the animal's …