1. Department of Animal, Veterinary & Food Sciences, University of Idaho , Moscow, ID 83844 , USA
2. Palouse Research, Extension and Education Center, University of Idaho , Moscow, ID 83844 , USA
3. Statistical Programs, College Agricultural and Life Sciences, University of Idaho , Moscow, ID 83844 , USA
4. System Division of Agriculture, Department of Animal Science, University of Arkansas , Fayetteville, AR 72701 , USA
5. Department of Animal and Food Sciences, Texas Tech University , Lubbock, TX 79409 , USA
6. IS-FOOD, School of Agricultural Engineering and Biosciences, Public University of Navarra (UPNA) , 31006 Pamplona , Spain