If the wall of the fenced farmyard is less than 2 meters, it must be raised to 2 meters. If there is no wall, brick and stone are used to build a 2 meter high wall. One is to prevent the embarrassment from frightening to escape, and the other is to prevent people from stealing. It can be made of bricks, stones, and cement that are conditionally available, and can also be made on the spot. It can be surrounded by 1.6 meters high wall with sticks, branches, firewood, bamboo poles, waste boards and other materials, on the front or side of the circle. Keeping the door, convenient management, breeding area for each species should be more than 6 square meters, with great good, is conducive to maggot activity, and promote its growth and development. The sheds can be constructed with various tiles, and can also be made on site, with straw, wheat straw and wild grass scaffolding. The sheds should be built on the north side of the circle, and the sheds should be 1.7 meters high to facilitate the entry and exit of the keeper. The sheds can be built for each pair of ç‹ 2 square meters for rumination and feeding. Floor tiles or gravel floors are available. Brick paving floors are easy to clean, rainy days are not muddy, and coarse sand grounds allow the earthworms to come in direct contact with the earth, which helps maintain the natural quality of earthworms. Do not spread concrete floor, because the cement floor is slippery and impermeable, and it is easy to slip. The ground should have a certain slope and several outlets to prevent water from raining. If the small circle is bred in large scale, some small circles should be built for the mother to feed on the mothers, or on the estrus period. The large circle can be temporarily divided into several small circles, and small circles can also be built. The trough can be made of wood, iron or cement. The trough is 20 centimeters deep. The size can be determined depending on the amount of feeding. It is usually placed on the side of the shed to facilitate feeding, so as not to obstruct the trout movement. Dirty drinking water from buckets is not normal. Generally, rubber buckets are better. They are not afraid of collision or rust. Winter is not afraid of freezing. Four seasons are available. Other facilities provide large-scale breeding facilities. If conditions permit, they may also purchase equipment such as small feed mills and rakes. Crab Feed,Crab Feed 2018,Crab Feed 2019,Local Crab Feeds Fenxi Kangruilai Biotechnology Co., Ltd. , https://www.kangruilai-petfeed.com