BRANDON, Miss. (WLBT) – The ongoing heat wave is creating compounding challenges for Mississippi cattle farmers, from drying pastures to falling pond levels, with potential effects stretching beyond this summer. Bob Robinson, a third-generation farmer at Robinson Farms in Brandon, in operation since 1907, said cattle need three things during periods of extreme heat. “Cows, this time of year especially, need shade, they need clean water and they …