Influence of farming technology on dry matter content in rainbow trout (Oncorhynchus mykiss Walbaum) muscle tissue

• Autorzy: Markowska A. , Barszcz A. , Siemianowska E. , Wojtkowiak K. , Skibniewska K.A. , Szarek J.

Warianty tytułu

PL

Wpływ technologii chowu na zawartość suchej masy w tkance mięśniowej pstrąga tęczowego (Oncorhynchus mykiss Walbaum)

• Języki publikacji: EN

Abstrakty

EN

Environmental and economic factors related to water exploitation have resulted in the development of recirculation techniques by trout fish farms. This study assesses the influence of farming technology on the content of dry matter in rainbow trout (Oncorhynchus mykiss Walbaum) muscles. Farming technology did not influence the dry matter content: mean content amounted to 25.7% in muscle tissue of trout caught in farms producing fish in recirculated water and 25.9% for fish from farms using flow-through water. Irrespective of the farming system, the catching season significantly influenced the dry matter content; in spring, dry content of muscle tissue of trout amounted to 25.3% and in autumn it was 26.3%. The place of catching (farm) influenced the dry matter content stronger in autumn than in spring. The kind of feed also influenced the dry matter content in rainbow trout muscle tissue depending on the season of catching.

PL

Środowiskowe i ekonomiczne uwarunkowania wykorzystywania wody spowodowały rozwój technik recyrkulacyjnych na farmach pstrągowych. Oceniono wpływ technologii chowu na zawartość suchej masy w mięśniach pstrąga tęczowego (Oncorhynchus mykiss Walbaum). Technologia chowu nie miała wpływu na zawartość suchej masy: średnia zawartość suchej masy w mięśniach pstrągów odłowionych w gospodarstwach produkujących na wodzie recyrkulowanej wynosiła 25.7%, zaś 25.9% – w mięśniach ryb z farm stosujących jednokrotny przepływ wody. Niezależnie od systemu chowu, sezon odłowu znacząco wpływał na zawartość suchej masy; wiosną tkanka mięśniowa pstrąga zawierała 25.3% a jesienią – 26.3% suchej masy. Miejsce odłowu (farma) silniej wpływało na zawartość suchej masy jesienią, niż wiosną. Również rodzaj paszy miał wpływ na zawartość suchej masy w mięśniach pstrąga tęczowego w zależności od sezonu odłowu.

• Wydawca: -
• Czasopismo: Polish Journal of Natural Sciences
• Rocznik: 2014
• Tom: 29
• Numer: 4
• Opis fizyczny: p.371-380,fig.,ref.

Twórcy

autor

Markowska A.

• Chair of Foundations of Safety, University of Warmia and Mazury in Olsztyn, Heweliusza 10, 10-719 Olsztyn, Poland

autor

Barszcz A.

• Chair of Foundations of Safety, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland

autor

Siemianowska E.

• Chair of Foundations of Safety, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland

autor

Wojtkowiak K.

• Chair of Foundations of Safety, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland

autor

Skibniewska K.A.

• Chair of Foundations of Safety, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland

autor

Szarek J.

• Chair of Pathophysiology, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland

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