Effects of dietary fat source and breed on the carcass composition, n-3 polyunsaturated fatty acid and conjugated linoleic acid content of sheep meat and adipose tissue

Seventy-two 8-week-old ram lambs from three breeds, Suffolk, Soay and Friesland, were offered one of four diets based on dried grass and formulated to have a similar fatty acid content (60 g/kg DM) and containing: Megalac (high in 16 : 0, control; Volac Ltd, Royston, Herts., UK), whole linseed (18 :...

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Bibliographic Details
Published in:British journal of nutrition 2002-12, Vol.88 (6), p.697-709
Main Authors: Wachira, A. M., Sinclair, L. A., Wilkinson, R. G., Enser, M., Wood, J. D., Fisher, A. V.
Format: Article
Language:English
Subjects:
Adipose tissue
Adipose Tissue - chemistry
Analysis of Variance
animal nutrition
animal performance
Animal productions
Animals
Biological and medical sciences
Body Composition
Body fat
Breed
breed differences
Breeding
carcass composition
Conjugated linoleic acid
diet
dietary fat
Dietary Fats - administration & dosage
dietary nutrient sources
Energy Intake
fatty acids
Fatty Acids, Omega-3 - analysis
Feeding. Feeding behavior
feeds
Fish
Fish oils
Fish Oils - administration & dosage
food composition
friesland (sheep breed)
Fundamental and applied biological sciences. Psychology
lamb meat
lambs
Linoleic Acid - analysis
linseed oil
Linseed Oil - administration & dosage
lipid composition
Male
Meat
Meat - analysis
muscle tissues
nutrient content
omega-3 fatty acids
Polyunsaturated fatty acids
Sheep
sheep feeding
Soay
Suffolk (sheep breed)
Terrestrial animal productions
Vertebrates
Vertebrates: anatomy and physiology, studies on body, several organs or systems
Weight Gain
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Summary:Seventy-two 8-week-old ram lambs from three breeds, Suffolk, Soay and Friesland, were offered one of four diets based on dried grass and formulated to have a similar fatty acid content (60 g/kg DM) and containing: Megalac (high in 16 : 0, control; Volac Ltd, Royston, Herts., UK), whole linseed (18 : 3n-3), fish oil (20 : 5n-3 and 22 : 6n-3) or whole linseed plus fish oil. The lambs were slaughtered at approximately half of their mature live weight (43, 21 and 43 kg for Suffolk, Soay and Friesland lambs, respectively). Fish oil reduced DM intake and lamb live-weight gain (P
ISSN:0007-1145
1475-2662
DOI:10.1079/BJN2002727