This report was prepared for administrative use with the intent to draw together available information on urea and its growing use in the cattle and sheep feeding industry. Since much of the basic data needed was not readily available, conservative estimates of urea usage now and by 1970 were made. Published prices for urea were used in this report. However, it is quite possible that urea prices, by negotiation between buyers and sellers, are lower than assumed. If negotiated prices are widespread, more urea may be used than indicated herein.