1. USDA‐ARS Food Animal Environmental System Research Unit 2413 Nashville Rd.– B5Bowling GreenKY42101
2. USDA‐ARS Dale Bumpers Small Farms Research Center BoonevilleAR72927
3. Dep. of Plant and Soil Sciences, Research and Education Center Univ. of Kentucky 1205 Hopkinsville St.PrincetonKY40546
4. USDA‐ARS Genetics and Precision Agriculture Research Unit Mississippi StateMS39762