BF, Dept. of Animal Science, Ljubljana (BFZOO)
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Izboljšanje prehranske vrednosti svinjine s krmljenjem semena lanu in ogrščice = Improvement of nutritive value of pig meat by feeding linseed and rapeseedLevart, Alenka ...V prehranskem poskusu smo preučevali možnost povečanja vsebnosti n-3 večkrat nenasičenih maščobnih kislin (PUFA) v maščobnem tkivu prašičev z dodajanjem lanenih semen (skupine LAN) in semen oljne ... ogrščice (skupine OO) v krmne mešanice. Krmni mešanici sta bili pripravljeni tako, da sta vsebovali izenačeni koncentraciji n-3 PUFA (6,3 g/kg, krma LAN in 6,6,g/kg, krma OO). Živali so začele dobivati krmni mešanici pri različnih telesnih masah (35, 60,80 in 90 kg). Pitali smo jih do končne mase 110 kg. Maščobnokislinsko (MK) sestavo smo določali v hrbtni slanini in v hrbtni mišici poskusnih živali. Vsebnosti nasičenih MK (SFA) in enkrat nenasičenih MK (MUFA) sta se pri živalih, ki so dobivale krmo z dodatkom semen v primerjavi s kontrolno skupino, nekoliko znižali, znatno pa se je povečala vsebnost PUFA. S krmo z dodatkom lanenih semen in semen oljne ogrščice, ki je vsebovala 6,3 in 6,5 g ALA v kilogramu krme, se je povečala njena vsebnost v hrbtni slanini in mišici na 3,4 g in 1,9 g/100 g MK. Rezultati kažejo, da se [alfa]-linolenska kislina (ALA) učinkovito vgradi v tkiva živali v vseh fazah pitanja. Hkrati s povečanjem vsebnosti ALA so se povečale vsebnosti nekaterih dolgoverižnih MK (LC PUFA), kot sta eikozapentaenojska kislina (EPA) in dokozaheksaenojska kislina (DHA), katerih predstopnja v sintezi v organizmu je ALA. V primerjavi s kontrolno skupino se je zmanjšalo razmerje med n-6 in n-3 PUFA, pri čemer je bilo zmanjšanje večje v skupinah, ki so dobivale dodatek lanenih semen.Type of material - conference contributionPublish date - 2004Language - slovenianCOBISS.SI-ID - 1658248
Author
Levart, Alenka |
Červek, Matjaž |
Salobir, Janez |
Gajster, Mihael |
Salobir, Karl
Topics
prašiči |
prehrana živali |
krma |
lan |
ogrščica |
semena |
aprehranska vrednost
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Levart, Alenka | 15194 |
Červek, Matjaž | 15561 |
Salobir, Janez | 00886 |
Gajster, Mihael | 12209 |
Salobir, Karl | 00396 |
Source: Personal bibliographies
and: SICRIS
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