Abstract
Objective of this research was to determine the slaughter properties and carcass composition of carcass sides derived from young cattle of Domestic Spotted breed, of pre-slaughter weights of 500 (group A) and 600 kg (group B). Heavier cattle had higher share of kidney fat in carcass, whereas the share of offals showed no significant differences. Statistically significant difference was registered only in share of toungue (P<0.05), that was higher in cattle of group A. Share of extra/premium (tenderloin), I category (round) and II category (loin, back, shoulder) showed no significant differences between groups of cattle. Statistically significant difference (P<0.05) was established in the share of III category carcass parts. Share of forearm and chest was significantly higher in lighter cattle (3.55% and 7.95%) compared to heavier animals (2.89% and 6.33%), whereas the share of subshoulder was considerably lower in group A (6.89%) compared to cattle of group B (9.73%). Data obtained by dissection of main carcass side parts differed significantly in regard to the share of muscle tissue in round and belly, that was significantly higher in cattle of group A (P<0.05). Share of fat tissue (subcutaneous and intermuscular) was higher in cattle of group B in almost all carcass side parts, however, statistically significant difference between groups was determined only in round, back, neck and subshoulder. Also, share of bones in chest differed statistically significantly (P<0.05) and it was higher in group A (20.09%) compared to cattle of group B (15.52%).
Highlights
In Serbia, production of beef is based on Domestic spotted breed, which is breed of combined production traits
Data on content of tissues in main carcass parts that are available in the literature mainly relate to composition of individual anatomical regions/parts of carcass, with high variations depending on the method of cutting of carcass sides, heterogeneity of the material used in the study
Dressing percentages of warm and cold carcasses were slightly higher in cattle of group B, but without statistical significance
Summary
In Serbia, production of beef is based on Domestic spotted breed, which is breed of combined production traits. Primarily meat, in retail cuts defines thier quality, value and demand on the market. Beef producers are faced with the task of producing economically the kind of cattle that yield a high percent of high-priced, tender, flavourful, juicy retail cuts, but that have only minimum amounts of waste fat trim (Guenther et al, 1965). Data on content of tissues in main carcass parts that are available in the literature mainly relate to composition of individual anatomical regions/parts of carcass, with high variations depending on the method of cutting of carcass sides, heterogeneity of the material used in the study (bree, sex, age, fattening level, etc.). Objective of this research was to determine slaughter properties and composition of carcass sides of Domestic Spotted cattle, of average pre-slaughter weights of 500 and 600 kg
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