多數蠅種類宜在氣溫25～30℃之間生產繁殖，12℃以下則停止發育，不交配產卵。若溫度超過35℃，種蠅騷動不安，39℃時不能產卵，40℃時種蠅逐漸死亡。蛆有避光性，當強光照射時，就會鉆到糞堆底部。溫度及餌料養分對蛆的生長發育有很大影響，一般室溫控制在22～23℃，相對濕度60%～80%范圍內，溫度愈高消耗養料愈多，蛆的生長發育越快，蛆就越大，化成蛹也越大。主要孳生在人畜糞便堆、垃圾、物質中，取食糞便及腐爛物質，也有的生活于動物尸體中。種蠅有飛翔力，須籠養。采用木條或直徑6.5毫米鋼筋制成65厘米×80厘米×90厘米的長方形框架，在架外蒙上塑料窗紗或細眼銅絲網，并在籠網一側安上紗布手套，以便喂食和操作。每個蠅籠中配備1個飼料盆和1個飲水器。1個籠可養成蠅4萬~5萬只。種蠅用5%的糖漿和奶粉飼喂；或將鮮蛆磨碎，取95克蛆漿，5克啤酒酵母，加入155毫升冷開水，混勻后飼喂。初養時可用臭雞蛋，放入白色的小瓷缸內喂養。飼料和水每天更換1次。育種蠅種蠅的來源，可將蠅蛹洗凈放入種蠅籠內，待其羽化到5%時開始投食和供水。種蠅開始交尾后3天放入產卵盤。盤內盛入2/3高度的引誘料。
Most species of flies should breed at temperatures between 25 and 30°C, and below 12°C they should stop growing and not spawn. If the temperature exceeds 35°C, the species fly is turbulent and unable to lay eggs at 39°C, and the flies gradually die at 40°C. There is no light, and when the light shines, it will drill to the bottom of the dunghill. Temperature and feed nutrients have a great influence on the growth and development of earthworms. Generally, room temperature is controlled at 22 to 23°C and relative humidity is 60% to 80%. The higher the temperature, the more nutrients are consumed, and the faster the growth and development of earthworms, the faster The bigger the chemical conversion, the larger it becomes. It is mainly found in human and animal dung heaps, garbage, and materials, and it feeds on feces and decayed materials. Some live in animal carcasses. Seed fly has fly power and must be kept in cages. A rectangular frame of 65 cm×80 cm×90 cm is made from wooden strips or 6.5 mm diameter steel bars. A plastic window screen or a fine mesh copper wire screen is placed outside the frame and gauze gloves are placed on the side of the cage mesh for feeding and operating. Each fly cage is equipped with a feed bowl and a drinker. A cage can raise 40,000 to 50,000 adult flies. Seed flies were fed with 5% syrup and milk powder; or fresh taro were ground, 95 g mash, 5 g brewer's yeast, 155 ml cold boiled water, mixed and fed. When roosting, you can use stinky eggs and feed them in a white porcelain jar. Feed and water are changed once a day. The source of the breeding flies can be cleaned and placed into the fly cage, and the feeding and water supply can be started when it reaches 5%. Three days after the flies began mating, they were placed in spawning trays. The dish is filled with 2/3 height of attractant.

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