Abstract
Objective of the paper was to investigate the effect of the sire breed (Swedish landrace and Large Yorkshire) and sex (female animals and male castrates) on quality of carcass and pig meat. Established fat thickenss was the highest at withers (33,21 mm) and the thinnest at rump in the center of m. gluteusa medius (18,48 mm). Sire breed had influence (p<0,01) on back fat thickness in the central part, whereas sex influenced (p<0,05) backfat thickenss at withers. Lean meat of Swedish Landrace progeny established by partial dissection EU was 52,91 % and according to current Regulation 42,89 % and it was higher compared to progeny (SLxLY) whose sires were Large Yorkshire breed. Established difference in share of meat between sire breeds by application of these two methods was 10,02 and 8,83 %. Higher share of meat (EU 53,20 %) was established in female progeny by 2,27 % in comparison to male progeny (p<0,05). Also, sire breed influenced (p<0,05 and p<0,01) pH, water binding capacity, softness and thickenss of muscle fibre, whereas the sex influenced (p<0,01) colour of musculus longissimus. Sire breed and sex had no influence on investigated chemical traits of m. longissimus (p>0,05). .
Highlights
Production of pigs and pork meat depend on numerous factors
Objective of this paper was to establish the effect of sire breed and sex on quality of carcass sides and meat, as well as how much the share of meat determined using the current Regulation is lower compared to recommended EU methodology
Average value of share of meat established according to current Regulation is lower by 9,4% than value obtained using recommended procedure by EU with same average mass of warm carcass side of 76,66 kg
Summary
Production of pigs and pork meat depend on numerous factors. Major factors influencing the quantity and quality of carcass are genetic and environment factors (sires, breeding method, age and mass at slaughtering, castration, nutrition, handling before, during and after slaughtering, etc.). In Serbia, Regulation (Official journal SFRY, 2/851985) is still used for establishing of total mass of muscle tissue without meat from bellyrib part. Meat content determined according to Regulation was lower than meat content determined using FOM or dissection according to methodology recommended by EU. Objective of this paper was to establish the effect of sire breed and sex on quality of carcass sides and meat, as well as how much the share of meat determined using the current Regulation is lower compared to recommended EU methodology
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