closeup of salt or mineral block for cattle laying on red earth - partially licked on red churred earth where animals have been

agriculture animal animals been bloc block brown cattle chloride churred close closeup dirt dirty dun earth essential extra farm farming feed field food have health healthy laying lick licked livestock meadow mineral minerals nutrients nutrition nutritional nutritionist orange outdoors partially pasture pressed protein ranch red rural salt saltlickstone salts sodium square standing supplement veterinarian veterinary where