ST. JOSEPH, Mo. — (USDA-Sept. 14) — Texas 2502 head. Steers: medium and large No. 1 290 pounds $465, 300-400 pounds $420-530, 400-500 pounds $368-471, 500-600 pounds $330-422, 600-700 pounds $318-355, 700-800 pounds $297-321, 800-900 pounds $285-297.50, 900-1000 pounds $258-285; medium and large No. 1-2 283 pounds $400, 300-400 pounds $420-475, 400-500 pounds $352.50-395, 500-600 pounds $331-357.5…