In sow production, sows also have "sub-health". The most obvious external manifestation is the low face value and the appearance of tears. However, faced with these situations, both large-scale farms and free-range farmers often fail to receive due attention, noting that tear spots are a warning sign of disease in pig herds. If not treated in time, it will cause irreparable damage to the farm. loss.
First, the cause of tears
Pigs usually flow a small amount of tears, which is a normal physiological reaction and need not be too concerned about. If the face is dirty, dark circles around the eyes, red eyes, and often tears are mottled, we must pay attention to it. Especially when sows have persistent eyelids and tears, appetite is gradually reduced, they stay in or lie in corners, they are reluctant to move, they are too lazy to take care of piglets, coats are gradually drier, skin is pale and bloodless, etc. It shows that the problem is very serious. . Through long-term clinical practice, it can be found that sows usually have the following causes of tearing.
1. Bad gas stimulation. In winter, the pig house is kept warm without ventilation, and excrement and litter are continuously fermented and decomposed, resulting in harmful gases such as ammonia gas, hydrogen sulfide and methane exceeding the standards, and chronic conjunctivitis, corneal ulcer, and respiratory tract diseases occur under stimulation.
2. Metabolic disorders. The lack of uprightness in the body is not enough to get rid of evils such as heat and poison, so we must rely on external forces to clear away heat and detoxification; or in the cold season, excessive stress and slow metabolism can cause facial pollution and tears.
3. Physical and chemical factors. The presence of mycotoxins (such as aflatoxin B1, etc.) and heavy metals (such as lead, cadmium, mercury, and arsenic) and certain chemical substances (such as excessive amounts of fluorine, halogen, pesticides, etc.) in the feed or in the environment may cause part of the immune system to be even All atrophy and destruction of active cells, resulting in immunosuppression, resulting in decreased immunity.
4. Drug abuse. The long-term abuse of drugs such as metamizole, aspirin, ribavirin, tetracyclines, sulfonamides, and aminoglycosides causes damage to the liver and kidneys, leading to decreased detoxification capacity and increased tearing and eyelids.
5. Disease mixed infection. Such as chronic influenza, atrophic rhinitis, blue ear disease, circovirus disease, pseudorabies and other mixed infections, leading to immunosuppression, so that the sow in a "sub-healthy" state, often showing tears, blowing nose, sneezing and other symptoms.
Second, comprehensive prevention
The formation of tear spots is essentially an external manifestation of excessive accumulation of toxins and liver dysfunction in sows. Toxins in the body exceed the upper limit of liver detoxification, toxins will be discharged from the eyes, eyelids, tear spots is the product, which not only affects the growth of pigs, but also lead to decreased immunity and promote lesions. Therefore, if you want to reduce tear spots, you must emphasize both the pertinence and the comprehensiveness. Only by strengthening the feeding and management, ensuring nutritional balance, doing a good job of disinfecting and eradicating the source, rationally using drugs, reducing various kinds of stress, and enhancing the prevention of targeted health care and improving the detoxification function of the liver, can we improve the resistance to disease.
1. Reasonably ventilate and keep the pig house clean. Some pig farmers still use traditional old-style pig houses. Winter does not evade the cold, summer does not prevent heatstroke, ventilation is poor, and air is polluted. Under such rearing conditions, a closed bar is still used for positioning, so that the pig itself has basically lost its freedom and can only be patient. Therefore, the transformation of housing facilities according to local conditions ensures that it is warm in winter and cool in summer, favorable for ventilation, and timely removal of manure, reducing the concentration of ammonia gas and dust, preventing harmful gases from exceeding the standards, and reducing irritation to pigs.
2. Detoxification, detoxification, improve liver and kidney function. Toxins are the root cause of all diseases. Sows have many tear spots and need to improve their liver and kidney functions. Chinese herbal medicines, plant extracts, and microecological products should be used as necessary health care to enhance detoxification and detoxification. Such as the usual use of polysaccharide products for health care of the pigs, gradually repair the damaged immune organs; targeted vitamin and trace element preparations (such as green Yi, Intestinal Thai, etc.); sow late pregnancy and lactation, Add the American Prebiotics + Clearance to strengthen the detoxification function of the liver.
3. Ensure balanced nutrition and strictly prohibit the feeding of mildew feed. According to the different growth stages of the sow, it provides a balanced, high-quality feed and eliminates the feeding of moldy feeds. To prevent the contamination of feed and drinking water by harmful substances such as mycotoxins, heavy metals, insecticides, etc., it is often necessary to add mold-removing mildew-removing products to the feed (such as neomycin, Messin) to inhibit the growth of mold and attract mold. Toxins, detoxify the body, improve the body's immunity.
4. Control various stress factors. In the cold, overheating, inoculation, insemination, transportation and other stress conditions, the body's adrenocorticotropic hormone secretion will increase, so that the immune function is impaired, as time passes for a sub-health state. Therefore, according to the seasonal and climatic changes, it is necessary to do a good job of preventing cold and keeping warm, and prevent it from cooling during the daytime. Avoid high-noise noise around the farm and try to keep the environment quiet. Green drinking, electrolytic multidimensional, etc. are often added to drinking water to reduce stress.
5. Control the use of antibiotics and implement programmed immunization. Strict implementation of veterinary drug management regulations, the rational use of antibiotics, reduce the damage of exogenous toxins on liver and kidney and other organs. When the treatment needs to use glucocorticoids such as dexamethasone and tetracycline antibiotics, astragalus polysaccharides, vitamin B complexes, etc. can be used, which can not only exert the therapeutic effect of the main drug, but also counteract the immunosuppressive side effects of the main drug. It can supplement nutrition, increase appetite and promote recovery.
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