Influence of a high ambient temperature on stearoyl-CoA-desaturase activity in the growing pig

An experiment was conducted to determine the influence of a high ambient temperature on the stearoyl-CoA-desaturase activity and fatty acid composition of backfat, leaf fat, Longissimus dorsi muscle and liver, in the growing pig. Eighteen Large White X Landrace castrated pigs (20 kg body weight) wer...

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Bibliographic Details
Published in:Comparative Biochemistry and Physiology - Part B: Biochemistry and Molecular Biology 1999-09, Vol.124 (1), p.7-13
Main Authors: Kouba, M., Hermier, D., Le Dividich, J.
Format: Article
Language:English
Subjects:
Acetyl-CoA-carboxylase
Adipose Tissue - chemistry
Adipose Tissue - enzymology
Animals
Biochemistry, Molecular Biology
Environment, Controlled
Fatty acid
Feeding Behavior
Hot Temperature
Life Sciences
Lipids - analysis
Liver - chemistry
Liver - enzymology
Male
Muscle, Skeletal - chemistry
Muscle, Skeletal - enzymology
Pig
Stearoyl-CoA Desaturase - metabolism
Stearoyl-CoA-desaturase
Swine - growth & development
Temperature
Weight Gain
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Summary:An experiment was conducted to determine the influence of a high ambient temperature on the stearoyl-CoA-desaturase activity and fatty acid composition of backfat, leaf fat, Longissimus dorsi muscle and liver, in the growing pig. Eighteen Large White X Landrace castrated pigs (20 kg body weight) were divided into three groups: I (31°C, ad libitum), II (20°C, pair-fed on the 31°C group) and III (20°C, ad libitum) until 35 kg body weight. At 20°C, the level of feed intake had no effect on stearoyl-CoA-desaturase activity, whatever the tissue (groups II and III). At similar levels of feeding, (groups I and II), the stearoyl-CoA-desaturase activity was lower at 31°C ( P
ISSN:1096-4959
1879-1107
DOI:10.1016/S0305-0491(99)00090-5