Fish ponds and ducks are three-dimensional farming methods that make full use of the water surface. Using ponds to grow pods, the duckweed should be used as a duck diet to allow duck dung to be fed into the pond for fish feeding, which can accelerate fish growth. Now we introduce a set of mature fish ponds Ping duck technology. Fishpond selection and clearing Fishponds for planting duckweed should be sheltered from the wind and have good soil quality. Fish pond dikes should be solid and should not leak water. Fish ponds generally have 3 to 4 acres of water and a depth of 1 to 1.7 meters. At the beginning of April, the ponds should be cleaned and disinfected 20 days before the duckweed is stocked. The pond water should be drained first, and the pool dike should be fastened. Then, 60-75 kg of quick lime should be sprayed per acre. Can also take the water clear pond: impounding about 1 meter deep, with 100 to 150 kg of lime water Quanchiposa. After fertilizing the cultivated water and clearing the pond, the pool water shall be poured to a depth of 1 to 1.7 meters, and 400 to 500 kilograms of human fecal urine per acre shall be applied to fertilize the water. After cleaning the pond for 20 days, the species was sprinkled into the fish ponds, spreading 15 to 20 kg of duckweed per acre. The stocking of fingerlings for stocking fish and Ping seeding can be carried out at the same time. The large-scale species of grass, cockroach and catfish are stocked at a ratio of 3:3:1 per acre. The fish species specifications are 200 g, 250 g and 200 g, respectively, and 100, 100 and 30 tails per acre respectively. In addition, some large-sized other fish species can also be bred. Management technology ponds can be covered with ponds one week after duckweed. At this time, the bamboo fence can be used to divide the pond into two halves, and the ducks over 20 days old can be grazing, and 200 ducks per mu can be raised for 1 week. After the pond had finished eating, the fence was then opened to drive the ducks to the other side, and a portion of duckweed was used as a seedling to spread into the half-empty pond. In order to accelerate the growth of duckweed, a certain amount of human excrement or nitrogen fertilizer may be applied after sowing. If duckweed grows excessively and the pond surface is crowded, some duckweed can be removed and dried to crush and be used as feed for pigs so as not to cover the surface of the pond and cause oxygen deficiency in the pond and affect the normal growth of the fish.
Description
Tilmicosin is a broad-spectrum semi-synthetic bactericidal macrolide antibiotic synthesized from Tylosin. It has an antibacterial spectrum that is predominantly effective against Mycoplasma, Pasteurella and Haemophilus spp. and various Gram-positive organisms such as Corynebacterium spp. It is believed to affect bacterial protein synthesis through binding to 50S ribosomal subunits. Cross-resistance between tilmicosin and other macrolide antibiotics has been observed. Following oral administration, tilmicosin is excreted mainly via the bile into the faeces, with a small proportion being excreted via the urine.
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