The invention discloses lamb feed and a preparation method thereof. The lamb feed is prepared from the following raw materials by weight parts: corn straws, chrysanthemum straws, rice residue, bean flour, honey, salt, bone flour, composite additive,
beet pulp, perilla leaves, platycodon grandiflorum, hawthorn leaves, radix astragali and silkworm chrysalis
meal. The lamb feed is fine and uniform in particle, verdant in color, pleasant in
flavor and balanced in
nutrition and can effectively promote meat growth and fattening of lambs; the lamb feed contains various raw materials required by growing of the lambs, so that the lamb feed not only can ensure the healthy growth of the lambs, but also has the
health care value and can improve the increasing speed of the weight of the lambs; the dark green straws are processed by
superheated steam for sterilization and color protection, so as to improve the
appetite of the lambs, promote the follow-up
silage effect, improve feed digestibility and prolong the quality guarantee period of the lamb feed;
lactic acid bacteria are added into the lamb feed for
silage fermentation, so as to not only promote the
normal growth of the lambs, but also enhance the
disease resistance; in addition, functional components including the perilla leaves, the radix astragali and the hawthorn leaves are added for compatibility, so as to improve the
body function of the lambs and enhance the
immunity.