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Biotechnology in Animal Husbandry
2019, vol. 35, br. 2, str. 153-161
jezik rada: engleski
vrsta rada: izvorni naučni članak
objavljeno: 16/07/2019
doi: 10.2298/BAH1902153G
Creative Commons License 4.0
Mesnatost testiranih nazimica u tri uzastopne godine
aInstitut za stočarstvo, Beograd-Zemun
bUniverzitet u Beogradu, Poljoprivredni fakultet

e-adresa: gogic.marija@gmail.com

Projekat

Primena različitih odgajivačko-selekcijskih i biotehnoloških metoda u cilju oplemenjivanja svinja (MPNTR - 31081)

Sažetak

U ovom istraživanju cilj je bio da se utvrdi kakav uticaj su imali sledeći faktori: godina, farma, i genotip nazimica kao i regresijski uticaj telesne mase na kraju performans testa na sledeće ispitivane osobine: uzrast na kraju testa (UKT), životni dnevni prirast (LDG), debljina slanine merena na dva mesta (u skladu sa Glavnim odgajivačkim pogramom), dubina dugog leđnog mišića (BM) i procenjena mesnatost (M). Istraživanjem su obuhvaćene dve farme svinja (farma 1 i farma 2), kroz tri uzastopne godine (godina 1, godina 2 i godina 3). Broj testiranih grla po godinama iznosio je: 974 (godina 1), 1311 (godina 2) i 757 (godina 3). Testirane nazimice su pripadale sledećim čistim rasama švedski landras, veliki jorkšir i Duroc. Nazimice potiču od 97 očeva, dok je broj kćeri po očevima iznosio od 10 do 100. Rezultati pokazuju da su najstarija grla rase Duroc (245 dana), koja imaju i najveće vrednosti za obe mere debljine slanine, ali najmanje vrednosti za mesnatost. U trećoj godini ispitivanja najmanje prosečne vrednosti su utvrđene za osobine LDG, BM i M. Ženska grla sa farme 1 su slabije prirastala i imala manje vrednosti za procenjenu mesnatost. Kao rezultat ispitivanja utvrđeno je da su svi uključeni faktori veoma visoko statistički značajno uticali na variranje ispitivanih osobina (P <0.001), jedino genotip nazimica pokazuje visok statistički značajan uticaj na osobinu BM (P<0.01).

Ključne reči

faktor; performans test nazimica; osobine; rasa; procenjena mesnatost

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