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Copyright © Wydawnictwo Akademii Rolniczej we Wroclawiu, ISSN 1505-0297

Usydus Z. , Dobrzański Z. , Kanderska J. , Korniewicz A. , Kołacz R. 2005. THE INFLUENCE OF FISH-MINERAL CONCENTRATE ON THE PROFILE OF FATTY ACIDS IN PIG’S LIVER AND BACKFAT, EJPAU 8(4/volume8), #48.
Available Online: http://www.ejpau.media.pl/volume8/issue4/volume8/abs-48.html

ABSTRACT

The study determined the influence of fish-mineral concentrate (KR-M) addition to fodder in the amount of 4 and 8% during the period of pig fattening up to approximately 100 kg of mass, on the profile of fatty acids in pig’s liver and backfat. The influence of KR-M was marked in liver fat by statistically significant (p<0.05) decrease of SFA and MUFA content with the increase of PUFA, including L-PUFA (EPA, DPA and DHA). Almost twofold increase of n-3 family acids occurred, while n-6/n-3 ratio was limited. The influence of KR-M in backfat was demonstrated by statistically significant (p<0.05) decrease of MUFA content, while PUFA increased, including L-PUFA (DPA and DHA). Over twofold increase of n-3 family acids occurred, while n-6/n-3 ratio was limited. The profile of backfat fatty acids was distinctly different than in liver; there were 9 acids more in this organ, and PUFA content was twofold higher. A more advantageous fatty acids’ profile in the experimental groups can be explained by the influence of fish oil and, possibly, the carriers applied (humins, aluminosilicates).

Key words: fish-mineral concentrate, pigs, liver, backfat, fatty acids.

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Zygmunt Usydus
Sea Fisheries Institute in Gdynia, Poland
Kołłataja 1, 81-332 Gdynia, Poland
Phone: (+4858) 620-17-28
email: zygmunt@mir.gdynia.pl

Zbigniew Dobrzański
Department of Environment Hygiene and Animal Welfare, The Faculty of Biology and Animal Science, Wrocław University of Environmental and Life Sciences, Poland
J. Chełmońskiego 38 C
51-630 Wrocław
Poland
Phone: +48 71 320 5865
email: zbigniew.dobrzanski@up.wroc.pl

Justyna Kanderska
Sea Fisheries Institute in Gdynia, Poland
Kołłataja 1, 81-332 Gdynia, Poland
Phone: (+4858) 620-17-28

Adolf Korniewicz
Department of Animal Nutrition and Feed Science,
Wrocław University of Environmental and Life Sciences, Poland
Chełmonskiego 38 C, 51-630 Wrocław, Poland
email: Phone: (+4871) 320-58-39

Roman Kołacz
Department of Environmental Hygiene and Animal Welfare,
Wrocław University of Environmental and Life Sciences, Poland
Chełmońskiego 38 C, 51-630 Wrocław, Poland
Phone: (+48 71) 32 05 865

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Responses to this article, comments are invited and should be submitted within three months of the publication of the article. If accepted for publication, they will be published in the chapter headed 'Discussions' and hyperlinked to the article.

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