1. Northeastern Network in Biotechnology (known as RENORBIO in Portuguese), the Federal University of Alagoas, Maceió, Brazil
2. Animal Science of the Graduation Program, Agrarian Science Center, Federal University of Alagoas, Rio Largo, Brazil
3. Research Scientist Brazilian Agricultural Research Corporation - Goats and Sheep, Sobral, Brazil
4. Department of Animal and Range Sciences, Montana State University, Bozeman, MT, USA
5. Agrarian Science Center, Federal University of Alagoas, Rio Largo, Brazil