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Detailed Explanation of Key Technical Points for Autumn Fingerling Cultivation
Autumn water temperature fluctuates between 20-30°C, making it a good period for fish growth, especially for smaller-sized and weaker fingerlings, as this is the fattening season. Farmers must effectively strengthen fingerling cultivation. 1. Disinfect and clear the pond, transfer to a new pond: Old fish ponds used for fingerling cultivation, after several months of feeding through spring and summer, gradually experience aging water quality, reduced dissolved oxygen and food organisms, and increased pathogenic microorganisms, which will cause stagnation of fingerling growth. Grass carp fingerlings are more susceptible to disease in such old ponds. At this time, fingerlings should be transferred to new ponds for intensive cultivation. In areas lacking water sources
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How to prevent runt pigs? A detailed explanation of practical technical points
There are many reasons for the formation of runt pigs, including congenital factors such as inbreeding or early mating and improper feeding and management of pregnant sows, which result in low birth weight and weak vitality of piglets; there are also acquired factors, such as insufficient milk from the sow, malnutrition, early weaning, delayed supplementary feeding, severe nutritional deficiency and diseases. The following measures can be taken to resolve runt status and fatten them. (1) Deworming and clearing the stomach. When there is no disease and the weather is clear, skip one feeding at noon, and at 8-9 o'clock in the evening when the stomach is empty, use 15-20 millig
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Detailed Explanation of Key Technical Points for Feeding and Management of Lactating Sows
1. Sows enter the farrowing house 7 days before farrowing; keep the farrowing room dry, clean and hygienic, and gradually reduce the feed amount; for those in poorer body condition, reduce the feed less or not at all; 2. Before farrowing, wash the sow's udder and vulva, then scrub and disinfect with a 0.1% potassium permanganate aqueous solution; after farrowing, inject one dose of penicillin and streptomycin to prevent perinatal diseases; in high-temperature seasons, one week before farrowing, give the sow an intramuscular injection of cod liver oil-antibiotic mixture to prevent high-temperature syndrome; 3. During the farrowing process, the sow must be carefully attended by a dedicated person, and during delivery assistance
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How to raise pullets for egg production successfully? Detailed explanation of key technical measures
When chicks are 7 weeks old, they are moved into the growing house and enter the growing stage. Whether this stage is successful or not largely determines the physique and laying performance of laying hens after sexual maturity. Therefore, to raise high-yielding replacement laying hens that meet breed requirements, the key link is to do a good job in the feeding and management of growing chickens. 1. Do a good job in disinfecting the environment inside and outside the chicken house to create a relatively safe living environment for the flock. Many diseases on laying hen farms are caused by horizontal transmission. Therefore, disinfecting the chicken house, the surrounding environment, and the chickens themselves to cut off the links of horizontal disease transmission is an effective way to control disease occurrence and reduce chicken deaths. The specific technical measures taken are: ① Two weeks before introducing the chickens, first thoroughly clean and wash the chicken house, then wash and disinfect it with disinfectants such as Baidusha or Aidifu. ② Use formalin plus potassium permanganate for fumigation disinfection at a ratio of 30 ml plus 15 g, keep it sealed for 1-2 days, and pay attention to increasing the temperature and humidity of the chicken house to improve the disinfection effect. ③ One day before introducing the chickens, spray disinfect once with Youlüjing or iodine preparation disinfectant, and disinfect the floor with a 1%-2% caustic soda solution. ④ After introducing the chickens, carry out disinfecting with chickens present 1-2 times per week, alternating disinfectants to avoid the emergence of drug resistance. In seasons with frequent disease, disinfect 2-3 times per week. In hot summer, disinfect once a day, which can also play a certain role in preventing heatstroke and cooling.
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Technical Points and Management Methods for Pasture Fattening of Thin Cattle
Pasture fattening of cattle is a fattening method that mainly uses natural pasture. The pasture fattening method has the advantages of low feeding cost, good fattening results, and easy promotion in vast agricultural and pastoral areas. During the pasture fattening period of about 150 days, thin cattle of local breeds gain 0.5-0.7 kg per day, beef crossbred cattle gain 0.8-1.2 kg per day, each head of cattle gains a total of 100-180 kg, increasing economic benefit by 300-400 yuan. The pasture fattening technique for cattle is introduced as follows. 1. Selection of fattening cattle
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Processing Methods and Technical Key Points of Longnan Biyu Tea
Longnan Biyu Tea is produced in the Longnan tea region at the junction of Gansu, Shaanxi and Sichuan in southern Gansu. The production area has a mild and humid climate; on clear days, fog covers the ground in the morning and evening, while on rainy days, clouds fill the mountains all day long, providing unique growing conditions for tea trees at high latitude and high altitude. Longnan Biyu Tea uses tender buds and leaves of medium- and small-leaf population tea trees picked during the period from Qingming to Guyu as raw materials, and is processed through fixing, carding, drying, refining and other processes. Its appearance is flat, straight, slender, with a jade-green, even and lustrous color, a fresh, high and elegant aroma, a mellow, refreshing and crisp taste, and a tender, even, green and bright infused leaf. 2003
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Production Method and Technical Key Points for Canned Herbal Tea
Herbal tea production operation steps: 1. Medicinal material pretreatment: Remove impurities (small stones, grass, clumps of mud, etc.) and deteriorated, substandard materials (insect-damaged, moldy, rotten, etc.) from each Chinese medicinal material. Mesona chinensis (Hsian-tsao) needs to be cut into small sections, and monk fruit (Siraitia grosvenorii) needs to be crushed for later use. 2. Weighing: Accurately weigh each raw material (when weighing, select different measuring instruments according to the different amounts of each raw material, and they should be consistent with the measuring instruments used for re-weighing), and store them separately in different containers for later use. Carefully keep weighing and re-check records.
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Processing Methods and Technical Key Points of Goji Leaf Health Tea
Goji leaves are rich in betaine, rutin, and various amino acids and trace elements. Goji leaf tea has health benefits such as nourishing the liver and improving eyesight, and softening blood vessels. Its processing method is as follows: 1. Leaf picking. Pick fresh goji leaves that are tender green in color, free of pests and diseases, and thick and plump. Wash off dust and other dirt from the leaf surfaces with clean water. After draining the water, spread them evenly in a ventilated and dry place for 3 to 4 hours. During the spreading and airing period, turn them 1 to 2 times until the leaves become limp. 2. Fixation. Place the wok used for fixation on a stove built at a 35-degree
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Winter Management Methods and Technical Key Points for Mushroom Beds
After the autumn mushroom harvest is finished, if no heating measures are taken and winter mushroom production continues, then the mushroom bed will enter the winter management stage. How well the winter management of the mushroom bed is carried out has a tremendous impact on the spring mushroom harvest of the coming year. Therefore, the winter management work of the mushroom bed must be done well. 1. Do a good job of heat preservation and ventilation in the mushroom house. In winter, the room temperature of the mushroom house is best kept above 3°C, so that the interior does not freeze, in order to prevent the mycelium from being damaged by freezing. In order to maintain this temperature in the mushroom house, before entering winter, the air-leaking areas on the four walls of the mushroom house
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