Comparable presentation of carcass and meat quality of different pig genotypes using modern evaluation methods

Abstract

In this paper quality of carcasses/carcass sides and meat from 5 different pig genotypes was comparably evaluated. Quality of carcass sides was evaluated prior to slaughtering in vivo (SONOMARK SM 100 M), early post mortem on slaughter line (FOM), by method of two points (ZP - ZWEIPUNKT) as well as method of partial dissection on cold left carcass sides according to EU recommendations. By analysis of obtained results it can be concluded that fatteners of type E (LW x SL) x P had the highest meat yield in carcass sides (61,90; 62,40; 58,85 and 58,89%) by any other mentioned methods of evaluation compared to average meat yield in carcass sides of other investigated genotypes. Average yield of muscle tissue in carcasses of pigs of E genotype (LW x SL) x P (58,89%) established by method of partial dissection was statistically considerably higher (*p (lt) 0,05) than the average (56,06%) meat yield in carcasses of pigs of genotype D, very significantly higher (**p (lt) 0,01) than average (57,01%) meat yield in carcasses of pigs of genotype C and very highly significantly higher (***p (lt) 0,001) than average (51,30%) meat yield in carcasses of pigs of genotype A. The quality of meat was also investigated comparably by determining its technological quality and chemical composition of MLD in investigated genotypes of pigs. Technological quality and chemical composition of MLD demonstrated significant (*p (lt) 0,05) differences in WBC and pigment content between genotypes B and C and B and E. Average values for content of ashes and share of pigment are in accordance with average values which characterize muscles of normal traits. By analysis of obtained results we conclude that fatteners of genotype E (LW x SL) x P had the highest meat yield in carcass sides (61,90; 62,40; 58,85 and 58,89%), but quality was slightly decreased which indicates need for further improvement of meat quality.

U radu je izvršeno komparativno ocenjivanje kvaliteta trupova/polutki i mesa 5 različitih genotipova svinja. Kvalitet polutki ocenjen je na živim životinjama pre klanja in-vivo SONOMARK SM 100 M), rano post mortem na liniji klanja (FOM), metodom dve tačke (ZP - ZWEI-PUNKT) kao i metodom parcijalne disekcije na ohlađenim levim polutkama po preporuci EU. Analizom dobijenih rezultata može se zaključiti da su tovljenici genotipa E (VJ x ŠL) x P imali najveći prinos mesa u polutkama (61,90; 62,40; 58,85 i 58,89%) pri korišćenju bilo koje od navedenih metoda ocene u poređenju sa prosečnim prinosom mesa u polutkama svinja ostalih ispitivanih genotipova. Prosečan prinos mišićnog tkiva u trupovima svinja genotipa E (VJ x ŠL) x P (58,89%) ustanovljen primenom metode parcijalne disekcije statistički značajno veći (*p (lt) 0,05) od prosečnog (56,06%) prinosa mesa u trupovima svinja genotipa D, vrlo značajno veći (**p (lt) 0,01) od prosečnog (57,01%) prinosa mesa u trupovima svinja genotipa C i vrlo visoko značajno veći (* **p (lt) 0,001) od prosečnog (51,30%) prinosa mesa u trupovima svinja genotipa A. Ispitan je komparativno i kvalitet mesa određivanjem tehnološkog kvaliteta i hemijskog sastava MLD-a ispitivanih genotipova svinja Tehnološki kvalitet i hemijski sastav mesa MLD-a ispoljio je značajne (*p (lt) 0,05) razlike u SVV i sadržaju pigmenata između genotipova B i C i B i E. Prosečne vrednosti za sadržaj pepela i udeo pigmenata odgovara prosečnim vrednostima koje karakteriše mišiće normalnih svojstava. Analizom dobijenih rezultata zaključujemo da su tovljenici genotipa E (VJ x ŠL) x P imali najveći prinos mesa u polutkama (61,90; 62,40; 58,85 i58,89%), no nešto umanjenog kvaliteta, što iziskuje dalji rad na poboljšanju kvaliteta mesa.