Manipulation of the Fatty Acid Composition of Milk by Feeding Protected Canola Seeds

The feeding to dairy cows of canola seed protected from ruminal metabolism by emulsification and encapsulation in a matrix of aldehyde-treated protein resulted in a 10% increase in milk fat and no change in milk yield or protein content. Feeding the protected canola supplement significantly reduced...

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Published in:Journal of dairy science 1992-04, Vol.75 (4), p.1090-1096
Main Authors: Ashes, J.R., Vincent Welch, P.St, Gulati, S.K., Scott, T.W., Brown, G.H., Blakeley, S.
Format: Article
Language:English
Subjects:
ACIDE GRAS
ACIDOS GRASOS
Animal Feed
Animals
Biological and medical sciences
Brassica
Cattle - physiology
COMPOSICION QUIMICA
COMPOSITION CHIMIQUE
CORPS GRAS
fatty acids
Fatty Acids - analysis
Female
Food industries
Fundamental and applied biological sciences. Psychology
GRAINE DE COLZA
GRASA DE LA LECHE
GRASAS
Lactation - physiology
LAIT
LECHE
MATIERE GRASSE DU LAIT
Milk - analysis
Milk and cheese industries. Ice creams
milk fat
protected canola
PROTEINAS DE LA LECHE
PROTEINE DU LAIT
RENDEMENT
RENDIMIENTO
Seeds
SEMILLA DE COLZA
VACAS LECHERAS
VACHE LAITIERE
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cited_by cdi_FETCH-LOGICAL-c530t-c48e78ad81377697c730b9a10926eba024d7b51aad73749ae75d0ea5777af7043
cites cdi_FETCH-LOGICAL-c530t-c48e78ad81377697c730b9a10926eba024d7b51aad73749ae75d0ea5777af7043
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container_issue 4
container_start_page 1090
container_title Journal of dairy science
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creator Ashes, J.R.
Vincent Welch, P.St
Gulati, S.K.
Scott, T.W.
Brown, G.H.
Blakeley, S.
description The feeding to dairy cows of canola seed protected from ruminal metabolism by emulsification and encapsulation in a matrix of aldehyde-treated protein resulted in a 10% increase in milk fat and no change in milk yield or protein content. Feeding the protected canola supplement significantly reduced the proportions of saturated fatty acids C16:0, C14:0, and C12:0 in milk fat; there were corresponding increases in proportions of C18:0, C18:1, C18:2 and C18:3. Yield of C18 monounsaturated and polyunsaturated fatty acids increased by 54%, which is equivalent to 143g/d. Canola seed, enriched in C18:1, can be included in the diet and can result in significant changes in the proportions of saturated and unsaturated fatty acids in milk fat.
doi_str_mv 10.3168/jds.S0022-0302(92)77853-9
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Feeding the protected canola supplement significantly reduced the proportions of saturated fatty acids C16:0, C14:0, and C12:0 in milk fat; there were corresponding increases in proportions of C18:0, C18:1, C18:2 and C18:3. Yield of C18 monounsaturated and polyunsaturated fatty acids increased by 54%, which is equivalent to 143g/d. Canola seed, enriched in C18:1, can be included in the diet and can result in significant changes in the proportions of saturated and unsaturated fatty acids in milk fat.</description><identifier>ISSN: 0022-0302</identifier><identifier>EISSN: 1525-3198</identifier><identifier>DOI: 10.3168/jds.S0022-0302(92)77853-9</identifier><identifier>PMID: 1578021</identifier><identifier>CODEN: JDSCAE</identifier><language>eng</language><publisher>Savoy, IL: Elsevier Inc</publisher><subject>ACIDE GRAS ; ACIDOS GRASOS ; Animal Feed ; Animals ; Biological and medical sciences ; Brassica ; Cattle - physiology ; COMPOSICION QUIMICA ; COMPOSITION CHIMIQUE ; CORPS GRAS ; fatty acids ; Fatty Acids - analysis ; Female ; Food industries ; Fundamental and applied biological sciences. Psychology ; GRAINE DE COLZA ; GRASA DE LA LECHE ; GRASAS ; Lactation - physiology ; LAIT ; LECHE ; MATIERE GRASSE DU LAIT ; Milk - analysis ; Milk and cheese industries. 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ispartof Journal of dairy science, 1992-04, Vol.75 (4), p.1090-1096
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source ScienceDirect (Online service); EZB Electronic Journals Library
subjects ACIDE GRAS
ACIDOS GRASOS
Animal Feed
Animals
Biological and medical sciences
Brassica
Cattle - physiology
COMPOSICION QUIMICA
COMPOSITION CHIMIQUE
CORPS GRAS
fatty acids
Fatty Acids - analysis
Female
Food industries
Fundamental and applied biological sciences. Psychology
GRAINE DE COLZA
GRASA DE LA LECHE
GRASAS
Lactation - physiology
LAIT
LECHE
MATIERE GRASSE DU LAIT
Milk - analysis
Milk and cheese industries. Ice creams
milk fat
protected canola
PROTEINAS DE LA LECHE
PROTEINE DU LAIT
RENDEMENT
RENDIMIENTO
Seeds
SEMILLA DE COLZA
VACAS LECHERAS
VACHE LAITIERE
title Manipulation of the Fatty Acid Composition of Milk by Feeding Protected Canola Seeds
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