Underground aquaculture is divided into two types: underground rabbit house breeding and “ground nest†breeding.
The underground rabbit house cultivation is a place where the terrain is high and dry. The rabbit house is excavated and the top of the house is below 1 meter above the ground. Cover the soil about 1 meter above and plant the crop as usual. As the roof of the rabbit house has a very thick soil and the crops are grown above it, it is not very transparent in the summer and it is very cool. In winter, it is cold and opaque and warm. Rabbits can maintain the most suitable temperature range throughout the year and reproduce year round, without the need to increase heat or cold. The disadvantage of this type of rabbit house is that the investment in building a rabbit house is large, and the requirements for building materials and construction quality are high, and moisture treatment is required. Feed and excreta need to be carried from top to bottom or from bottom to top to increase labor. In addition, ventilation and ventilation is a problem that must be considered throughout the year.
Rabbit breeding can not be separated from the light. The underground rabbit house barely sees sunlight and should be given artificial light. Use an ordinary light bulb or lamp to make it about 5 watts per square meter.
Lighting should pay attention to uniformity. First, the distribution of light bulbs (lamps) should be uniform; Second, the upper and lower layers of the rabbit cage should be basically the same, pay attention to the phenomenon of light shielding of the bottom cage; third, the light bulb should be set above the corridor, about 1 meter from the top of the cage; Fourth, the light bulb should be cleaned regularly to prevent light intensity.
In the rabbit breeding house, because the female rabbit lives on the ground at ordinary times and only in the underground nest during litter and lactation, there is no difference between the light and the ordinary rabbit house.
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