Evaluación de la calidad de la canal y de la carne de las razas ovinas Corriedale, Corriedale pro, Merino Dohne, Highlander, y cruza Corriedale x Merino australiano

The research derives from the importance of evaluating the different breeds most exploited in the country and thus obtain significant information from a study that will have multiple repetitions. The general objective that arises is to compare the performance of different breeds on carcass characteristics and meat quality under the same feeding conditions. The study was carried out in the Meat Quality Laboratory of the Experimental Station «Dr. Mario A. Cassinoni» (EEMAC) of the Faculty of Agronomy of the University of the Republic (Paysandú, Uruguay: 32, 5º south latitude and 58º west longitude) and in the Casa Blanca meat processing plant, where the work will be carried out, located on the coast of the Uruguay River, 17 kilometers from the city of Paysandú in the town of Casa Blanca. Dual purpose breeds of lambs were used; Corriedale, Merino Dohne, Corriedale x Australian Merino, as well as prolific breeds in development such as the Corriedale Pro and Highlander. Management and feeding received throughout the experimental period was the same for all genotypes. A minimum of 11 male lambs per genotype were used to obtain representative results. In summary, it can be deduced that these significant differences can only be seen for carcass quality variables such as live weight (kg), hot carcass weight (kg), yield (%), compactness index, leg perimeter (cm), Leg length (cm) and PH, but not for GR point (mm), carcass length (cm) and for the meat quality variables: Color (l, a, b), CRA ( %), texture (kgf), PPC (%) and intramuscular fat (%). Of the 5 breeds evaluated, it can be said that the one that stands out the most over the rest for the following variables: live weight, hot carcass weight, yield and compactness index was the Highlander breed.