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How to prevent and treat pig lice disease? Methods every pig farmer must see
Pig lice disease, also known as pig blood lice disease, is an external parasitic disease caused by the pig liver louse parasitizing the surface of the pig's body. Although it cannot cause painful death, it still has a considerable impact on the growth and development of live pigs, especially a serious impact on piglets. The development cycle of pig lice is short and spread is rapid. After male and female lice mate, the female louse, after sucking enough blood, lays eggs, producing 3---4 eggs per day, which are attached to the hair and skin with secreted mucus; young lice hatch in 1215 days, and become adult lice in 1014 days, with a development cycle of 2332 days. Because
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Diagnosis and Treatment of Porcine Respiratory Disease Complex
Porcine respiratory disease complex is a highly pathogenic infectious disease caused by mixed infection with various viruses, bacteria and other microorganisms, primarily manifesting as respiratory symptoms and lesions in pigs. The pathogens causing the disease are not identical across different pig farms. Primary infections may include PRRSV, PCV-II, PRV, SIV, HCV, the pathogen of porcine infectious atrophic rhinitis, and Mycoplasma; secondary infections may include Streptococcus, Actinobacillus pleuropneumoniae, Haemophilus parasuis, Eperythrozoon, Salmonella, etc.
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Control Methods and Technical Key Points for Scaly Leg Mite Disease in Chickens
Scaly leg mite disease in chickens is a condition caused by sarcoptic mites, often presenting as two forms: depluming itch and scaly leg. 1 Pathogen and Symptoms The pathogen of depluming itch in chickens is the scaly leg mite (Knemidocoptes mutans), which is round or oval in shape and about 0.3 mm long. This mite mostly invades the skin along the feathers and parasitizes the base of the feathers, causing inflammation. Lesions are mostly seen on the back, wings, rump, and thighs of chickens, with severe localized itching and feather loss, hence the name depluming itch. Affected chickens peck and pull at their feathers, causing feathers to fall out, the skin to become red, and
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What are the prevention and control methods for abdominal distension and ulceration disease in large yellow croaker?
(1) Pathogen According to reports from Japan, it is Vibrio alginolyticus; but another source says it is Edwardsiella. (2) Symptoms The stomach sac of diseased fish is especially swollen and enlarged, and in some fish the dorsal and ventral walls rupture from the swelling, with the entire stomach sac detaching from the fish body. Large numbers of diseased fry float scattered on the water surface, unable to feed, spin in circles for several days, then sink and die. Larvae at 15-20 days of age are most susceptible, showing a peak mortality period. (3) Prevention and control methods Increase the water exchange rate, improve the rearing environment, avoid feeding Artemia nauplii alone, feed copepods earlier, strengthen the nutrition of larvae and juveniles, and strictly control water quality.
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What types of bacterial diseases do koi carp get?
① Red-skin disease (hemorrhagic disease) Symptoms: extensive hyperemia of the epidermis. There are no large ulcers or swellings on the body surface, only obvious redness at the fin bases, nostrils and other areas, with visible blood streaks. In the later stages it is accompanied by ascites and gill rot. Pathogen and cause of infection: caused by Pseudomonas fluorescens, highly contagious. Unsanitary water, injuries, and spoiled feed can all cause this disease, and it occurs in all four seasons. Treatment: soak the sick fish in the original tank (pond) with a 2 ppm furacilin solution, soaking for several consecutive days
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Diagnosing Fish and Shrimp Diseases by Color and Disease Prevention and Treatment Methods
After fish and shrimp become ill, a certain part of their body or a certain organ takes on a distinctive color, which becomes a characteristic symptom of the disease they are suffering from. Animal medicine workers use this to name the disease for identification, prevention and treatment. This is a commonly used method in the animal medicine field, briefly described as follows: 1. "Red" diagnosis (1) Eel red spot disease is caused by Pseudomonas anguilliseptica, mainly harming Japanese eels; European eels are not easily infected. Symptoms: pinpoint hemorrhages appear on the lower jaw, operculum, base of the pectoral fins and the body surface of the abdomen, with death occurring within 1 to 2
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Disease Prevention and Treatment Methods and Technical Key Points for Turtles
Parotitis Cause: The pathogen is Aeromonas punctata subsp. punctata. The main cause is water pollution. Symptoms: Affected turtles move slowly, often raise their heads and necks high in water or on land, with abnormally swollen necks and bulging hind limb fossae. There is gas under the skin, and the limbs are swollen; in severe cases, blood flows from the mouth and nose. Prevention and treatment: Inject streptomycin sulfate at 100,000-120,000 units per kg of turtle body weight. Inject once a year. Routinely use 30 mg/L furazolidone every 2-3 months
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Winter control of rice pests and diseases can yield twice the result with half the effort
In winter, rice pests and diseases are in a dormant state: pests stop feeding and pathogens stop infecting. If farmers seize this favorable opportunity to carry out control, they can achieve twice the result with half the effort. 1. Dispose of diseased rice straw. Diseased straw is the overwintering site for the pathogens of rice bacterial leaf streak, bacterial blight, rice blast and many other diseases, and is the main source of infection the following year. Before the end of March, farmers can compost diseased straw at high temperature, or process it as feed or fuel, which can greatly reduce the number of pathogens. For diseased rice straw that cannot be fully processed before the end of March,
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Occurrence of Pests and Diseases in Rice Seedbeds and Current Control Methods
During the rice seedbed stage, aphids, thrips, and damping-off disease mainly occur, harming the growth of rice seedlings. Adult and nymph rice thrips often gather at the leaf auricle, ligule, and inside the central leaf to cause damage; the affected parts first show small yellow-white spots, after which mottled white patches appear on the leaf surface. Affected seedlings recover green slowly, become stunted and fail to grow, appearing as if "stuck in the clump." Damping-off disease mostly occurs in wet (semi-dry) seedling nurseries and dry seedling nurseries, causing seedling death. Because temperatures in early to mid-April are unstable, aphids, thrips, and damping-off disease are prone to occur, affecting full, uniform, and strong seedlings. Agricultural technology centers of all townships and subdistrict offices are requested to strengthen water
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Key rice diseases to focus on controlling in Guangdong currently
Bacterial leaf streak, rice blast, sheath blight and bacterial leaf blight are the four major diseases in late rice production in Guangdong, mainly damaging the leaves of plants in the early and middle stages of rice growth. The coastal typhoon-prone rice areas of our province are frequent-occurrence areas of bacterial leaf streak, while hilly and mountainous areas are mainly affected by rice blast and bacterial leaf streak. The occurrence periods, characteristics and control methods of bacterial leaf streak, rice blast and sheath blight are briefly described as follows: Bacterial leaf streak. Rice bacterial leaf streak has shown a spreading trend in Guangdong in recent years. The disease starts at the seedling stage and breaks out severely at the young panicle differentiation stage. Ty
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