Beef cattle feed and preparation method thereof

The invention discloses beef cattle feed and a preparation method thereof, and belongs to the technical field of beef cattle breeding. The beef cattle feed is prepared from the following raw materials in parts by weight: 8 to 12 parts of mulberry twig and citrus reiculata blanco pomace leavening, 4 to 8 parts of ammoniated straw, 8 to 12 parts of micro-storage corn straw feed, 45 to 55 parts of steam-flaked corn, 12 to 18 parts of fermented soybean meal, 3 to 7 parts of corn alcohol lees, 0.5 to 0.8 part of vitamin premix, 0.8 to 1.2 parts of table salt and 2 to 2.5 parts of mineral substances, a urease inhibitor is also added into the beef cattle feed, and the addition amount of the urease inhibitor is 0.1-0.3 wt% of the beef cattle feed; compared with the traditional feed, the beef cattle feed disclosed by the invention can obviously improve the daily gain of beef cattle, reduce the feeding cost of the beef cattle and improve the comprehensive economic benefit of beef cattle breeding. 本发明公开了一种肉牛饲料及其制备方法，属于肉