College of Agriculture Communities and the Environment Kentucky State University Frankfort KY 40601 USA;
Department of Animal Science Berry College Mount Berry GA 30149 USA;
Tecnologico de Monterrey Escuela de Ingenieria y Ciencias Queretaro Mexico;
Agricultural Research Station Fort Valley State University Fort Valley GA 31030 USA;
College of Agriculture Communities and the Environment Kentucky State University Frankfort KY 40601 USA;