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Enriching Bovine Milk Fat with Alpha-Linolenic Acid, an Omega-3 Fatty Acid, Through Feeding of a Rumen Protected Flax-Based Supplement

Citation

Peterson, Haley Kathryn. (2016). Enriching Bovine Milk Fat with Alpha-Linolenic Acid, an Omega-3 Fatty Acid, Through Feeding of a Rumen Protected Flax-Based Supplement. Theses and Dissertations Collection, University of Idaho Library Digital Collections. https://www.lib.uidaho.edu/digital/etd/items/peterson_idaho_0089n_11018.html

Title:
Enriching Bovine Milk Fat with Alpha-Linolenic Acid, an Omega-3 Fatty Acid, Through Feeding of a Rumen Protected Flax-Based Supplement
Author:
Peterson, Haley Kathryn
Date:
2016
Program:
Animal and Veterinary Science
Subject Category:
Animal sciences
Abstract:

The objective of this study was to increase the alpha-linolenic acid (ALA) concentration in milk fat by feeding a rumen protected flax-based (RPF) supplement. Eight lactating cows were randomly assigned to four treatment sequences in a replicated 4 x 4 Latin Square design with 16 d periods. The four treatments were 0, 1, 2, and 3 kg of RPF added to a base ration daily. Milk samples were collected on d 15 and 16 of each period. RPF did not affect dry matter intake, milk yield, or most milk components. Many fatty acids in milk were altered by treatment with generally decreased short- and medium-chain saturated fatty acids and increased long-chain fatty acids. RPF increased ALA in milk linearly with a 5-fold greater concentration in cows fed 3 kg/d of RPF compared to the unsupplemented control. This novel rumen protected ALA source enriched milk ALA greater than any previous method.

Description:
masters, M.S., Animal and Veterinary Science -- University of Idaho - College of Graduate Studies, 2016
Major Professor:
McGuire, Mark
Committee:
Ahmadzadeh, Amin; Chibisa, Gwinyai
Defense Date:
2016
Identifier:
Peterson_idaho_0089N_11018
Type:
Text
Format Original:
PDF
Format:
application/pdf

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