Lactobacillus is a type of lactic acid - producing bacteria, rod - shaped, gram - positive, and about 130 species in Lactobacillus genus, the normal species such as, L. acidophilus, L. casei, L. reutei, L. plantarum, Lactobacillus Reuteri Probiotics,L. rhamnosus.
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Mountain water culture techniques
In the mountain area, groundwater, springs, and reservoirs are relatively abundant. The use of Natural drop-in-water fish farming can be used in multiple ways, which is of practical significance for solving the “difficulty of eating fish†in the mountainous areas and poverty alleviation and prosperity. Running water fish farming has the advantages of energy saving, land saving, festival feed, festival work, small investment, and large efficiency. Running water fish farming is one of the current intensive, high-density intensive and semi-intensive culture methods. Fresh water, adequate dissolved oxygen, and high stocking densities are available. If the feed is abundant and the management is appropriate, adult fish can be produced per acre of 2,000 tons. 4000 kg. I. Requirements for water quality and fish ponds 1. Water quality conditions: Flowing fish requirements No pollution from industrial and agricultural chemicals. Fresh water; No odor, no odor, no obvious film floating foam, adequate water supply, dissolved oxygen in water not less than 5 mg/L , There must be suitable water temperature for more than 6 months in a year; the water temperature is generally between 20°C and 30°C, and must not be lower than 15°C. If the water temperature is too low, a sunbathing pool should be built before the flow basin to warm up. The pH of the water is required to be neutral or weak alkaline to prevent drowning into the pool after heavy rain. 2. Location of the fish pond: Generally, it is advisable to build a pond behind the house in front of the reservoir and the banks of the ditch and the banks of the ditch. The fineness of the sediment is better, and the gap between the natural water level should be more than 2 meters. 3. Structure of the fish pond: The fish pond is made of gravel and there is no strict requirement for the pool shape. The area is 10 to 40 square meters, the pool height is 1.5 to 2 meters, and the water depth is 0.8 to 1 meter. Each inlet and outlet of the pool should be independent, able to control the amount of water, and have a fish barrier to prevent escape, the water flow is even, the cycle to the corner, the central formation of a stagnant area, easy to fish dung grass residue. Second, feeding and management 1. Restocking species: Flowing water is currently generally selected to grow fast, broad food, disease resistance, short cycle, rich in nutrients, high economic value of grass carp, with a small amount of eel, eel, Carp, specifications require about 10 per kilogram, small can not adapt to water conservation. 2. Flow rate flow: Flowing fish culture generally requires a flow rate control of 0.3 ~ 0.6 m / s is appropriate, the flow rate of flow of fish is easy to consume physical strength, too small fish easy to hypoxia. The flow rate of the flow changes with the seasonal temperature. Generally, the flow in spring is gentle, the summer rapid, the autumn slow, and the winter microfluid. 3. Artificial Feeding: Flowing water fish farming depends entirely on artificial feeding, generally based on green feed, such as grass, pumpkin leaves, hawthorn vines, bean leaves, etc., where conditions can be used to grow fish and feed pellets. The green material is fed at a weight of 1:1 per day and it is good to eat within 30-40 minutes. Particulate feeds are generally fed once per hour and are reduced twice at night. The water temperature is fed at 3% to 5% of the body weight below 23°C, and 5% to 10% of the fish body weight is fed above 23°C. 4. Pay attention to "ten defenses": that is, prevent floods, prevent drought, prevent animals, prevent birds, prevent plugging, prevent escape, prevent poison, protect against electricity, steal, and prevent disease. Special precautions should be taken with 3% salt or 0.25ppm malachite green in the winter and spring to prevent saprophytic diseases. In hot hot summers, pay attention to the prevention and control of grass carp gills, enteritis, and red bark. During the onset period, feed once a day. Hemp leaves and garlic leaves. Before sowing, the green feed is soaked with 20ppm bleach water for 10 minutes. Each week, 10ppm bleach is used to sterilize the fish once (in the pond). Each week, 50 to 100kg of particles containing furazolidinone are fed according to the water surface size. Feed (0.3 to 1 g of furazolidone per 50 kilograms) is recommended. It is best to immunize or immerse the grass carp before putting it on.