Total cholesterol concentrations of the muscles in castrated Boer goats

Pratiwi, NMW, Murray, PJ and Taylor, GD (2006) Total cholesterol concentrations of the muscles in castrated Boer goats. Small Ruminant Research, 64 1-2: 77-81. doi:10.1016/j.smallrumres.2005.04.016

Author Pratiwi, NMW
Murray, PJ
Taylor, GD
Title Total cholesterol concentrations of the muscles in castrated Boer goats
Journal name Small Ruminant Research   Check publisher's open access policy
ISSN 0921-4488
Publication date 2006-01-01
Sub-type Article (original research)
DOI 10.1016/j.smallrumres.2005.04.016
Volume 64
Issue 1-2
Start page 77
End page 81
Total pages 5
Editor J Boyazoglu
Place of publication Amsterdam
Publisher Elsevier Science Bv
Language eng
Subject C1
630107 Minor livestock (e.g. horses, goats, deer)
300406 Animal Growth and Development
Abstract Goat meat is an important source of animal protein and Boer goats are the most widespread breed of meat goats. Cholesterol in meat is a potential cause of human disease and little is known about the cholesterol concentration in different goat muscles. As animals gain bodyweight the amount of cholesterol in their tissues generally increases and can vary for different tissues. Therefore, the aim of this experiment was to determine the effect of slaughter weight and muscle type on total cholesterol concentrations in three muscles (longissimus thoracic, infraspinatus and biceps femoris) taken from castrated male Boer goats in Australia. The goats were grazed on a mixture of native pasture and Rhodes grass (Chloris gayana) and had access to lucerne and commercial goat pellets (CP 18%; ME 12.3 MJ/kg DM). The muscles were dissected from 24 goats slaughtered in groups of 4 or 5 animals at 30, 45, 60, 75 and 90 kg liveweight. Total cholesterol concentrations were then determined using high performance liquid chromatography (HPLC). Total cholesterol concentrations decreased (P < 0.01) with an increase in slaughter weight for the longissimus thoracic, infraspinatus and biceps femoris muscles. Significant differences (P < 0.01) were recorded in the total cholesterol concentrations for the three muscles studied. The average total cholesterol concentrations ranged from 55 to 60 mg/100 g for the longissimus thoracic, 69 to 88 mg/100g for infraspinatus and 65 to 82 mg/100 g for the biceps femoris muscles. These results are important for consumers of goat meat as total cholesterol concentrations vary between different muscles taken from animals slaughtered at different weights and the concentrations are higher in muscles taken from lighter and younger animals. Therefore, health conscious consumers of meat, concerned about the cholesterol content of their diet, should consume meat from the longissimus thoracic muscles of heavier or older goats. (c) 2005 Elsevier B.V. All rights reserved.
Keyword Boer Goat
Total Cholesterol Concentration
Agriculture, Dairy & Animal Science
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 19:24:56 EST