Stimbirys, Artūras; Šernienė, Loreta; Malakauskas, Mindaugas; Sekmokienė, Dalia
September 2007
Veterinarija ir Zootechnika;2007, Vol. 39 Issue 61, p67
Academic Journal
The aim of this study was to evaluate the date of carcasses of pigs grown in A and B large farms in Lithuania. The carcasses weight, fat thickness measured in F1and F2 points, a diameter of loin in Fat2 point were compared in carcasses of pigs grown in 2 different farms. Meatness (lean meat content) of pig carcasses was detected using FOM S 70 device. In addition the influence of feed rations on pigs carcasses meatness was evaluated. The results of this study showed, that average weigh of carcasses of pigs grown in A farm, was 1.04 times (P<0.05) smaller, fat measured in F1 point 1.14 times (p<0.05), and in F2 point - 1.02 times (p>0.05) were thinner compared to B farm pigs. The average of carcasses lean meat content was 1.018 (p<0.05) times higher in pigs, grown in A farm than in carcasses of pigs obtained from B farm. In pigs carcasses obtained from A farm, the highest classes (S, E, U) of lean meat content, were detected in 97% cases, although in B farm - 83% of cases respectively. In farm A kept pig crossbreds of English White Large, Lorwegian Landrasses, Pjetrains breeds were leaner than grown in B farm crossbreds obtained from crossing Lithuanian White, Danish Diuroc, Danish Jorkshyre, Danish Landrasses breeds. It was detected that in A farm feed rations for fattening pigs, 0,38 MJ dietary energy or 1,11%, 2,4% green protein, 7,22% fat, 0,01% triptophan, and 0,5% of Na were higher than in rations used in B farm respectively.


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