US Subtropical Calf Crop Based on USDA data, a large percentage of the nation's calf crop is born in subtropical regions. Cows and Helfers that Calved in 2019 US41,119100.0% Humid and Transitional Subtropical TX5,20012.6% AR2,1905.3% LA1,0702.6% TN1,0302.5% MS9502.3% AL9402.3% GA7101.7% SC7101.7% KY5801.4% OK4851.2% NC4701.1% VA4101.0% FL2000.5% 14,49536.3%