Since the small silkworm stage is a crucial period for the development of the solid material and the pursuit of population development, the rearing technology and environment of the small silkworm are much more demanding than the large silkworm. Small silkworm co-culture is organized by the small number of sericulture and poor conditions of the peasant households. The small silkworm period is intensively reared and fed to the silkworm stage. This form not only makes full use of the trampoline (house) silkworm room and various temperature control facilities, but also guarantees the meteorological, nutritional, and sanitary conditions necessary for the growth and development of small silkworms and saves labor. It has been widely promoted throughout the country. A total of 100-200 boxes of silkworm eggs of small silkworm co-cultivation are collectively bred and a small number of 30-50 boxes are provided. Generally, people with high level of sericulture technology and strong sense of responsibility are responsible for the operation and management of the breeding room.
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