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What are the precautions for pig immunization? Pig farmers need to master these key points
Pig farmers immunize their pigs once, twice or more times every year, but the pigs still contract infectious diseases they have been immunized against, causing huge losses. What is the reason? This has a great deal to do with neglecting the precautions for immunization. Therefore, we offer a reminder to pig farmers. First, be careful to buy vaccines from reliable sources. Vaccines or bacterial vaccines need to be managed by special methods so they do not lose their efficacy. Before buying a vaccine or bacterial vaccine, confirm whether the department selling the vaccine has a certain level of technical capability, so as to ensure the efficacy of the
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How to prevent and treat swine pox? Master swine pox prevention and treatment methods in one article
This disease is an acute, febrile infectious disease caused by the swine pox virus, in which pox lesions appear on the mucous membranes of certain parts of the skin. When the weather is rainy and cold, the pigpen is damp and filthy, and the pigs are malnourished, the epidemic is severe, with high morbidity and mortality rates. It often occurs in piglets aged 4-6 weeks. When the disease occurs, the sick pig's body temperature rises above 41°C, it stops eating, the inflamed eyelids are stuck together by secretions, the nostrils run with mucus or become blocked, and red spots appear on parts of the body with sparse hair such as the snout, eyelids, inner thighs, and lower abdomen,
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How to manage fish fingerlings in autumn? These technical points must be mastered
(1) Pond clearing. After the beginning of autumn, the fingerlings should be transferred to a pond that has been cleared and disinfected for cultivation, so that the fingerlings can safely overwinter. Where there are difficulties in the turnover of water sources and fish ponds, all the fingerlings can be transferred out for temporary holding, and the original pond can be disinfected with 75-100 kg of quicklime per mu, the water quality can be fertilized according to conventional methods, and the fingerlings can be transferred back after the drug has dissipated. (2) Separate rearing. The specifications of the fingerlings stocked in the same pond must be consistent. Large-sized fingerlings have a large food intake and a strong ability to compete for food. If small-sized fingerlings are stocked at the same time, the small-sized fingerlings will
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Detailed Guide to Shark Processing Techniques: Master the Correct Handling Methods
Sharks, also called "jiao," belong to the subphylum Vertebrata, class Chondrichthyes. They are divided into the families Hexanchidae, Heterodontidae, Lamnidae, Rhincodontidae, Triakidae, Carcharhinidae, Sphyrnidae, and Squalidae. The body is spindle-shaped, and the skin bears dermal denticles resembling sandpaper, which is why they are also called "sand fish." There are 5-7 gill slits on each side, with 5 being the most common. The broadnose sevengill shark of the family Hexanchidae has 7 on each side. There are 1-2 dorsal fins, with two being the most common; the broadnose sevengill shark has one dorsal fin (located toward the rear of the body). The caudal fin is generally well developed, mostly heterocercal, and in
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Detailed explanation of potato crispy candy slice processing technology, master all steps and methods
1. Selecting potatoes and slicing: Choose fresh potatoes weighing 50-100g with no pests or diseases, wash the soil off the skin, then place them in a 20% alkaline solution and stir constantly with a wooden stick to peel them. After all the skin has come off, scoop them out, rinse once, and drain for later use. For slicing, cut into diamond-shaped or triangular thin slices 1-2mm thick as needed; after cutting, immediately soak them in clean water to prevent the starch on the surface from discoloring. 2. Boiling and drying: Scoop out the cut slices soaked in water and put them into boiling water to cook. When they are 80% cooked, immediately turn off the heat and dry them. In this step, you must master
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How to keep pears fresh for storage? Master these methods to store them longer
(1) Raised-bed pit storage method. This is a main storage method used in the Huangxian Changba pear producing area. Before harvesting the pears, choose between-row spaces in the orchard with good ventilation, cool and dry conditions, and a low water table. Build raised beds running north-south, with a bed width of 1.5 m to 2 m; the bed length depends on the storage quantity. The bed surface should be about 10 cm above the ground, slightly higher in the center and slightly lower on both sides, with ridges about 15 cm high built up around the perimeter. Spread a layer of fine sand 5 cm to 10 cm thick on the bed surface. At the four corners of the bed ridges and along the two long sides, drive a wooden post every 750 mm, with a post height of 750
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How to care for pelargoniums in autumn? These methods must be mastered
Pelargoniums are also known by other names such as butterfly hydrangea, hemp-leaved hydrangea, and large-flowered geranium. To grow this summer-dormant flower well, its autumn care is very important. Because only with proper care during this period can you ensure that the pelargonium has lush leaves and continuous blooms in the other seasons. Within 10 days after the start of autumn, first prune the pelargonium, focusing on cutting away inner branches, dead branches, and leggy branches. This ensures the plant has good ventilation and light. Then knock it out of the flower pot and use a sharp knife to trim away some old roots and old soil, taking care to work gently and cut
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How to grow bowl lotus well? These precautions you need to master
Bowl lotus, also known as bowl lotus or pot lotus, is a lotus grown in a bowl, specially meant to be placed on indoor tables to beautify the living environment. If bowl lotus is cultivated properly, it can produce flowers only about 5 cm in diameter, dainty and exquisite, with outstanding grace. Then, when its flowers are abundant and leaves lush, prune it to make it well-spaced and beautifully arranged
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What should you do if lard spoils easily? Master the correct storage method
Rendered lard, when stored for a long time, often develops an unpleasant odor due to careless storage, mainly because the fat oxidizes and turns rancid under the effects of light, heat, moisture and microorganisms. Not only does such lard smell bad, but long-term consumption can also cause poisoning. Here are several methods to prevent lard from spoiling: 1. When rendering the fat, cook it as long as possible, and remove all the cracklings before storing. 2. The oil container must be clean; it is best to store it in a light-blocking earthenware jar or a dark glass bottle, sealed with a lid, and kept in a dark, low-temperature
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How to prevent diarrhea in pigs in winter? These measures need to be mastered
1. Strengthen feeding management. The feed quality should be good, and mold and spoilage should be prevented, so that sows do not transmit it to piglets through colostrum and cause them to have diarrhea. Pay attention to keeping the pig herd warm during the cold season from late autumn to early spring. 2. Strengthen immunization. Pregnant sows should be injected with the vaccine for this disease 45 days and 15 days before farrowing respectively, and then ensure that piglets receive enough colostrum so that they obtain relatively high antibodies. 3. Pay attention to hygiene and disinfection. Strictly prohibit the entry of outside vehicles, purify the air, avoid infection by viruses and bacteria, and reduce pigs
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