The invention discloses a preparation method for a postnatal
feed additive used for breeding sows. The preparation method comprises the following steps: mixing
actinolite,
Pennisetum purpureum, aged Folium Artemisiae argyi, glutinous rice roots, guava leaves,
eucommia bark,
cassia seeds, Chinese prickly ash leaves,
ginkgo leaves and
Prunella vulgaris, adding water, carrying out decocting, then carrying out filtering to obtain a soup, and concentrating the soup so as to obtain a concentrate; crushing the dried cabbages and
Houttuynia cordata to obtain
powder; and adding the
powder into the concentrate, then adding distiller's corn grains, rice
bran vinegar and
olive oil and carrying out uniform mixing under stirring so as to obtain the additive. The preparation method of the invention is simple in process and easy to implement; the
feed additive is prepared from edible
plant ingredients used as main raw materials and reasonably proportioned Chinese herbal medicines and nutrients; and the prepared
feed additive can enrich the
nutritional composition of a feed, supplements the physical loss of sows after
childbirth, and has the functions of nourishing blood and qi, invigorating the
spleen to promote
digestion, killing endoparasites and
increasing lactation yield, and thus, the feed additive can quickly improve the mental states of sows and increase the
food intake of sows, and isbeneficial for the growth of piglets and subsequent
pregnancy of sows.