The invention relates to a preparation method of a
traditional Chinese medicine micro-ecological
feed additive for laying hens at an
egg laying later stage. The preparation method comprises the following steps of taking traditional Chinese medicines including
forsythia suspensa,
astragalus membranaceus, radix
codonopsis, Chinese angelica,
radix isatidis, motherworts, purple perilla, spina date seeds,
radix ophiopogonis and
licorice roots, performing
superfine grinding on the traditional Chinese medicines, adding an
alcohol solution, performing boiling over with a strong fire, performing heat preservation with a soft fire, performing cooling, performing
filtration, concentrating filtrate, adding white
sugar, performing boiling over, performing cooling to normal temperature, inoculating lactobacilli, red tea funguses and bifidobacteria, performing
fermentation until white
fungus blocks grow, and performing low-temperature concentration on bacterial liquid; and then weighing
modified starch, arabic gum,
cyclodextrin and syrup, adding the weighed
modified starch, the weighed arabic gum, the weighed
cyclodextrin and the weighed syrup to the concentrated bacterial liquid, performing stirring during adding, after uniform mixing and stirring, performing high-pressure homogenizing, and performing
spray drying so as to obtain the
traditional Chinese medicine micro-ecological
feed additive. The
traditional Chinese medicine micro-ecological
feed additive disclosed by the invention has the efficacies of increasing the number of beneficial bacterium groups in intestinal tracts, enhancing immune functions, strengthening
stress resistance of chicken bodies, strengthening
disease resistance of the chicken bodies, increasing egg production and the like. Compared with a control group, the traditional Chinese
medicine micro-ecological feed additive disclosed by the invention has the advantages that the
egg laying rate is increased by 4.86% and 7.27%, the feed-egg rate is reduced by 7.65% and 5.82%, and the rate of soft and broken eggs is reduced by 23.64% and 31.72%; feeds are saved, the cost is reduced, and the
economic benefits are increased.