magistrsko delo
Sara Pavlin (Avtor), Dušan Terčič (Recenzent), Alenka Levart (Mentor), Vida Rezar (Komentor)

Povzetek

V oljarstvu nastanejo odpadki, med katerimi so tudi oljčni listi in tropine, ki imajo lahko pozitivne (zmanjšanje oksidativnega stresa, ugoden učinek na zdravje prebavil) kot tudi negativne (visoke koncentracije polifenolov) vplive. Izvedli smo prehranski in bilančni poskus na pitovnih piščancih provenience ross 308. V obeh poskusih smo živali razdelili v pet skupin, FKON, F+5OL, F+10OL, F+5OT in F+10OT, 4 poskusnim skupinam smo dodajali liste ali tropine v koncentracijah 50 oz. 100 g/kg krme. Piščance smo po končanem prehranskem poskusu žrtvovali in jim odvzeli kri, prebavila, vsebino prebavil in jetra. V bilančnem poskusu smo zbrali izločke za nadaljne analize. V krvnem serumu smo izmerili aktivnosti jetrnih encimov (GGT, AST, ALT), koncentracijo malondialdehida (MDA) in izomer vitamina E (VE), antioksidativno kapaciteto v vodi topnih antioksidantov (ACW) v jetrih, izmerili smo pH, viskoznost in hlapne maščobne kisline (HMK) v vsebini prebavil ter določili maščobnokislinsko sestavo in polifenole (PP) v izločkih piščancev. Na podlagi rezultatov iz obeh poskusov smo prišli do ugotovitev, da dodatka oljčnih listov in tropin nista pomembno vplivala na kazalnike oksidativnega stresa in prebave. Dodatka tropin sta izboljšala izkoristljivost maščob, SFA in MUFA. Oba dodatka lahko z vidika oksidativnega stresa, zdravja živali in prebavil varno uporabljamo v krmnih mešanicah za pitovne piščance.

Ključne besede

perutnina;pitovni piščanci;prehrana živali;oljčni listi;oljčne tropine;oksidativni status;prebava;magistrske naloge;

Podatki

Jezik: Slovenski jezik
Leto izida:
Tipologija: 2.09 - Magistrsko delo
Organizacija: UL BF - Biotehniška fakulteta
Založnik: [S. Pavlin]
UDK: 636.5.084/.087(043.2)
COBISS: 4344456 Povezava se bo odprla v novem oknu
Št. ogledov: 751
Št. prenosov: 200
Ocena: 0 (0 glasov)
Metapodatki: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Ostali podatki

Sekundarni jezik: Angleški jezik
Sekundarni naslov: The effect of olive leaves and cake on parameters of oxidative stress and digestion on broilers
Sekundarni povzetek: In the making of olive oil there are wastes, including olive leaves and cake which can have positive (reduction of oxidative stress, beneficial effects on gastrointestinal health) as well as negative effects (high concentrations of polyphenols). In our study we performed nutritional and balance experiments on broiler chickens Ross 308. In both experiments the animals were divided into five groups, FKON, F+5OL, F+10OL, F+5OT and F+10OT, 4 experimental groups were supplemented with olive leaves or cake in concentrations of 50 or 100 g/kg of feed. After completion of the nutritional experiment, chickens were sacrificed and blood, gastrointestinal tract (GT), GT contents and liver samples were taken. In the balance experiment, excreta from chickens were collected for further analysis. The activity of liver enzymes (GGT, AST, ALT), concentration of malondialdehyde (MDA) and isomers of vitamin E (VE), antioxidant capacity of water-soluble antioxidants (ACW) were all measured in liver, the pH, viscosity and volatile fatty acids (VFA) of the GT contents and contents of fatty acids (FA) in chicken excreta were also measured. Based on the results of both experiments, we concluded that the addition of olive leaves or cake did not significantly affected the indicators of oxidative stress, nor did they affect the indicators of digestion. Supplementation with olive cake improved utilization of fats, SFA and MUFA. From the perspective of oxidative stress, animal and GT health, both supplements, olive leaves and cake, can be safely used as feed ingredients in broiler chicken diets.
Sekundarne ključne besede: poultry;broilers;animal nutrition;olive leaves;olive cake;oxidative status;digestion;
Vrsta dela (COBISS): Magistrsko delo/naloga
Študijski program: 0
Konec prepovedi (OpenAIRE): 1970-01-01
Komentar na gradivo: Univ. v Ljubljani, Biotehniška fak., Oddelek za zootehniko
Strani: X, 57 f.
ID: 11347085