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The fly is fed in a fly shed and is mainly fed with brown sugar water (1:10). Adding a small amount of cream flavor is a self-allocating "snapping egg" (for example, Epimedium and other herbs plus lysine, methionine and vitamins). Into), add some yeast powder better. The method of feeding is padding the sponge in the porcelain basin, pouring sugar water into the sponge, and the sponge is cleaned once a day.
Second, breeding equipment
1. Manure fermentation tank. Made of concrete, the size and size are determined by the scale of production, and the depth is 50 cm. In this field, there are 6 pools as a group, because the fermentation of manure usually takes 6 days, using 1 pool per day, just 1 cycle. In places with low temperatures, manure fermentation takes longer, and several more sites need to be built.
2. Seed house (shed). The species fly and the breeding house are in the same room and have an area of ​​more than 300 square meters. There are more windows, and there are also several ventilation windows on the roof, and ventilation fans and fans are installed. The roof covering material is tile and plastic film. The windows, ventilation windows, etc. are sealed tightly with the screens in the places outside the room. Numerous ropes are placed in the room space for resting flies, and there are many plants (such as grass) in the house to regulate the air in the room and provide double functions for the rest of the fly.
The ground of the flyhouse is divided by cement into a rectangular nursery pond with an area of ​​2-3 square meters. The height of the pool is 15-25 centimeters. The corners of the pool are equipped with a harvesting bucket (small plastic bucket). The bucket edge is slightly higher than the pool bottom. Before the flies grew up, the vast majority of them automatically crawled away from the heap of manure, crawled along the edge of the pool and eventually fell into the hopper. The nursery pool can also be built outdoors, just cover the top.
Third, the production process
1. Fermentation of manure. Formula of manure: 1 80% pig manure, 10% distillers grains, 10% rice bran or wheat bran, 2 40%-60% of pig manure, 60%-40% of chicken manure, 3% of chicken manure (or pig manure), 4 cattle Manure 30%, pig manure 60%, rice bran or wheat bran or rice noodles 10%; 5 soybean curd residue or cassava residue 20% -50%, pig chicken manure 80% -50%.
Fermentation of manure has two methods: First, water fermentation method. Add 30 centimeters of deep water to the fermentation tank, add a small amount of baking powder and EM (effective microorganism) broth, pour the manure and mix well, seal with a plastic film, and ferment for 5-6 days; The composting fermentation method. Add a small amount of EM fluid to the feces, control the moisture 60% -80%, compost and seal, 5-6 days (depending on temperature) can be used. Fermentation can kill the pathogenic bacteria and parasite eggs in the feces, and can also eliminate toxic and harmful gases produced by the direct fermentation of the feces material in the breeding house, so as to avoid damage to adult flies and cockroaches.
2. Parenting. The fermented manure was adjusted to pH 6.5-7.5, sent into the nursery pond and stacked into strips, and a layer of 2-3 cm thick trap egg was sprinkled on the surface of the manure pile (mixed Bloody wheat bran, abandonment of fresh, epidermis-stained pig hair collected at the slaughterhouse, etc.) Adult flies quickly fly to eat and spawn, eggs hatch for 8-12 hours, and young chicks eat eggs. After the nutrition, it will automatically drill into the dunghill to eat until it grows up. The grown maggots are generally not in the manure and they automatically crawl away and fall into the clam bucket. The remaining feces of fly maggots are fermented and used as feed for breeding quail.
Fourth, the production effect. The field can produce fresh elder sister 100 kg -300 kg per tonne of feces, 100 square meters of breeding rooms, 20 kg -50 kg of fresh oysters can be produced every day. The amount of production is related to a number of factors, such as the number of adult flies, the best to maintain more than 200,000 fly species within the 100 square meters of flies; trapping eggs and their preparation; nutrients and their preparation Chicken manure has the highest calving output and cow dung is the lowest. Climate factors and feeding management techniques also affect the amount of calving.
First, fly species and feeding. There are two kinds of breeding flies in the area, one is a large red-eye fly (bulls fly); the other is a common house fly, the former one. Both are derived from the wild and cultivated and domesticated.