Deer antler yield increased
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(1) Controlling the light of deer and increasing the fastness of the deer: The deer households can construct several simple plastic greenhouses according to local conditions, occupying an area of ​​about 125 to 225 square meters, and the canopy has four 100-150 watt mercury lamps. The height of the ground is about 2.5 meters to 2.7 meters, and the illumination is about 500 degrees Celsius. Starting from the spring each year (preferably from the beginning of January), the daily illumination time can be increased by 6.8 hours to 9.5 hours, and the days of increased light can be from 50 days to 60 days. The deer in the shed is kept in the same conditions as the open air. It has been proved by experiments that the deer can be controlled by the light and the deer can be horned and exfoliated for 38 days to 39 days in advance. The male deer in natural light has not been dehorned in April, and the deer under the light control of the greenhouse can be decapitated on February 20 in advance to create conditions for prolonging the growth and development of the velvet. As a result, the male deer head velvet production could be increased by 0.88% to 13.8%, especially for the regenerative velvet, which not only grew two bars of velvet but also increased the yield by an average of 2 to 3 times (290% to 310%). (2) Sodium Humate Additive: Sodium humate is a complex organic acid with a very complex structure. It can promote the body's oxidizing acidity, increase metabolism and absorb nutrients. Therefore, using sodium humate as a deer feed additive, the appetite of the deer increases, and the metabolism is vigorous, providing sufficient nutrition for the growth of the antler. According to the experiment, each male was fed with 0.2 g of sodium humate three times a day, and the solid compound sodium humate was diluted with water to 0.05% and the pH was 6.5 for two hours before feeding, and then the concentrate was fed. Feed it continuously for 70 days until it is harvested. Results The experiment group produced 575 grams of pilose antler, while the control group produced 490 grams of antler, which increased the yield by 17%.