The invention discloses an environment-friendly crab feed and a preparation method thereof. The environment-friendly crab feed is characterized by comprising the following raw materials in parts by weight: 23-28 parts of
rapeseed meal, 25-30 parts of
cottonseed meal, 20-25 parts of Chinese yam, 19-23 parts of
pumpkin seed, 17-20 parts of oat, 16-19 parts of high
gluten flour, 15-18 parts of egg shell
powder, 27-34 parts of goat blood, 22-27 parts of
swim bladder, 4-6 parts of broad bean sauce, 3-5 parts of rock candy, 5-8 parts of
sunflower seed oil, 19-24 parts of seaweed, 18-20 parts of
bitter gourd, 14-17 parts of hawthorn, 12-15 parts of yellow peaches, 3-5 parts of
lavender, 1-3 parts of vervain, 0.7-1.3 parts of pseudo-
ginseng, 4-7 parts of phagostimulant, and a proper amount of water. According to the invention, the added high
gluten flour can improve the flexibility and
plasticity of the feed, and the
rapeseed meal, the
cottonseed meal, the
pumpkin seed and the oat are rich in
nutrition, have rich essential
nutrition such as
amino acid, vitamins and
dietary fiber, can improve the intestines and
stomach functions of crabs, and facilitate improving the
appetite and
digestion-absorption function of crabs; the feed provided by the invention is excellent in utilization ratio, high in nutritive value, simple in preparation and low in cost, avoids additives and improves the cultivation
water quality.