1. Grupo Grica, Facultad de Ciencias Agrarias, Universidad de Antioquia, AA 1226 Medellin, Colombia
2. Research Unit of Muscle Biology and Growth
3. Research Unit of Genetics and Biometry
4. Department of Contaminant and Residue Analysis, State Office for Agriculture, Food Safety, and Fishery Mecklenburg−West Pomerania, 18059 Rostock, Germany
5. Institute of Animal Production, State Institute for Agriculture and Fishing Research, Wilhelm Stahl Allee 2, 18196 Dummerstorf, Germany