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.: Home > Animal Science Papers and Reports > 2007 > Volume 25 Number 1 > Miros³aw Gabryszuk1,**, Marian Czauderna2, Antoni Baranowski1, Nina Strza³kowska1, Artur Jَںwik1, Jَzef Krzy؟ewski1

The effect of diet supplementation with Se, Zn and vitamin E on cholesterol, CLA and fatty acid contents of meat and liver of lambs

Miros³aw Gabryszuk1,**, Marian Czauderna2, Antoni Baranowski1, Nina Strza³kowska1, Artur Jَںwik1, Jَzef Krzy؟ewski1
1 Polish Academy of Sciences Institute of Genetics and Animal Breeding, Jastrzêbiec, 05-552 Wَlka Kosowska, Poland 2 The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 05-110 Jab³onna, Poland
Abstract :

The study was conducted on 20 Polish Merino ram-lambs divided into two groups: experimental
(E) and control (C), each of 10 animals. From birth all the lambs were maintained with their
dams and then weaned at the age of 8 weeks, placed in individual straw-bedded pens and fattened
individually with a granulated concentrate mixture until reaching a mean body weight of 31.8 kg.
During fattening each lamb from group E was given per os 1 ml 0.1% Na2SeO4, 3 ml 10% ZnSO4
and 60 mg vitamin E (ل-tocopherol) daily. The concentrations of conjugated linoleic acid (% of the
fatty acid sum) in meat (0.45%) and in liver (1.21%) were higher (P<0.05) while cholesterol content
(42.8 mg/100g fresh matter) lower (P<0.05) in E than in C lambs. In group E total cholesterol of
blood plasma decreased and HDL fraction level increased. The dietary supplementation of Se, Zn
and vitamin E improved the lipid profile of lambs’ meat.

Keywords :
cholesterol / CLA isomers / lambs / selenium / vitamin E / zinc

Date Deposited : 08 Aug 2011 12:11

Last Modified : 08 Aug 2011 12:11

Official URL: http://www.ighz.edu.pl/

Volume 25, Number 1, - 2007

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