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Prevention and control of diseases of farmed eel
Eel nematode disease [pathogen] is eel nematode. There are three species of eel nematodes parasitic in the swim bladder of eel: spherical eel nematode, thick eel nematode and Australian eel nematode. The eel nematode is oviparous, the newly produced larvae are only 0.2 mm-0.35 mm and are covered with a layer.
2020-11-08 Aquaculture eel disease control eel house nematode pathogen -
Guard against epidemic diarrhea in pigs before and after the Spring Festival
Epidemic diarrhea mainly occurs before and after the Spring Festival (December to March of the following year), mostly in cold and humid weather or after the sudden attack of cold wave, showing a local epidemic. Clinical symptoms: piglets vomiting first and then diarrhea, thin yellow and green feces mixed with milk blocks, bow back, tail clamping, fear of cold shivering, sagging eyes, severe dehydration, normal or slightly higher body temperature, course of disease 5-7 days, the younger the age, the higher the mortality, the mortality of piglets within 7 days old was 30%, 40%; the adult pigs did not eat, showed jet diarrhea and excreted watery feces.
2019-01-16 -
How to control sunflower leaf blight with loose tail
Loose-tailed sunflower leaf blight is a common disease caused by fungal infection, which has a great impact on the growth of loose-tailed sunflower, which makes the leaves dry and the serious ones lead to the death of the whole plant. Serious diseases often occur in rainy days in summer and autumn. In the north, it mostly occurs in the shed with high humidity and high temperature.
2018-12-22 -
Site Selection and Layout of Blue Peacock Farm
Blue peacock (scientific name: Pavo cristatus) male birds with upright pillow-crown, colorful feathers, tail coverts especially long, far beyond the tail feathers. With 20 tail feathers, the shape is long and slightly convex tail shape; tail coverts are velvety; wings are slightly rounded, the first primary flight is shorter than the 10th
2020-11-08 blue peacock farm of siting with layout -
Mastering the "four essentials" to improve the Lamb Survival rate of small tail Han Sheep
Small-tailed Han sheep have the characteristics of large physique, rapid growth, early maturity, multiple lambs (average lambing rate 281%) and so on. Two children a year or three children in two years, easy to raise, strong adaptability, both meat and skin, suitable for fat lamb production, plate skin suitable for layered leather fabric and other advantages
2020-11-08 Master "four requirements " lift tall and small cold tail sheep birth lamb -
Why are sheep breeds different in different regions?
Why are sheep breeds different in different regions?
2018-07-25 -
Prevention and treatment of bursal disease in ruminant weak small tail Han sheep with shortness of breath and lying anemia
Prevention and treatment of bursal disease in ruminant weak small tail Han sheep with shortness of breath and lying anemia
2018-07-10 -
Matters needing attention in small-tailed Han sheep breeding!
1. The enclosure of small-tailed Han sheep should be built on high-dry terrain, good drainage, adequate lighting, cold protection in winter and spring, cooling in summer, and good ventilation.
2019-02-25 -
Bacterial diseases of sweet fish and their control
1. Vibrio disease 1. Symptoms vary according to the type of Vibrio infection. Vibrio disease can be roughly divided into three types: yellow liver type, intestinal tip type and ulcer type. The diseased fish body shows swimming weakness, body color blackening, eyeball protrusion, epidermal hemorrhage, deep muscle layer when severe, blood stasis on the inner surface of gill cover, fin base and snout end followed by ulcer, anal redness, light gill color, swollen liver of diseased fish, some are all faded and yellow, some are partially faded and congested, and bubbles filled with blood appear in the liver of diseased fish. gall bladder swelling, filled with orange or brownish green bile; kidney
2019-01-16 -
How to choose pig seedlings? How to improve the survival rate of pig seedlings?
Last year, under the influence of African classical swine fever, pork prices rose. This year, many farmers are very optimistic about the pork market, and as a result, more and more farmers raise pigs. Farmers want to raise pigs, the most important thing is to buy pig seedlings, generally speaking, normal
2020-11-27 Pig fry how to select how to improve the survival rate last year -
Breeding techniques of Han Sheep with small tail to get rid of Poverty and become Rich
Breeding techniques of Han Sheep with small tail to get rid of Poverty and become Rich
2018-07-14 -
How to save feed for raising pigs
How to save feed for raising pigs
2020-02-11 -
Sheep epidemic is contagious and Mortality: how to prevent Sheep Disease by raising Sheep on a large scale
Sheep epidemic is contagious and Mortality: how to prevent Sheep Disease by raising Sheep on a large scale
2018-10-27 -
Main diseases and control of Pseudosciaena Crocea
1. Bacterial diseases 1. Vibrio pathogen: Vibrio parahaemolyticus. Symptoms: ulcers on the body surface of diseased fish are typical features of the disease. In the early stage of the disease, there are petechiae, ecchymosis and irregular erythema on the body surface, which are more common in the abdomen and tail. In severe cases, the lower jaw bleeding, ulcer, fin base congestion and redness, fin strip defect, caudal stalk muscle decay, the formation of hemorrhagic ulcer. The liver, spleen, kidney and intestine are congested, the liver is enlarged and yellowish mucus is found in the intestine. Microcurved bacteria could be seen in the focus tissue under microscope. Epidemic: the disease
2019-01-16 -
Breeding Technology of Small Tail Han Sheep
Breeding Technology of Small Tail Han Sheep
2019-11-16 -
Matters needing attention in breeding small tail Han Sheep
Matters needing attention in breeding small tail Han Sheep
2019-04-18 -
Prevention and treatment of wilt and shrunken disease of bighead carp
1. Etiology: due to overstocking and insufficient feed, some fish fry or species do not get enough feed and lose weight and die. two。 Symptoms: the diseased fish are shrunken and thin, with a large head and a small tail, a blade-like back, pale Gill filaments, severe anemia, slow activity, black body color, and soon die. 3. Epidemic situation: the disease often occurs in the late stage of fish breeding. The overwintering pond fish species and over-close-cultured adult fish are caused by insufficient feeding due to improper stocking density and matching proportion, especially bighead carp.
2019-01-16 -
Fast Fattening and Fattening Technology for Lambs
Fast Fattening and Fattening Technology for Lambs
2019-09-25 -
New Therapy for Porcine Necrotizing Dermatitis
Epidemic characteristics: pig necrotizing dermatitis caused by necrotic bacilli, its infectivity is very strong. In the hot and humid weather every year, piglets, shelf pigs, boars and sows are prone to the disease. The disease occurred in the whole litter, and there was interactive infection between piglets and sows, but more piglets were infected by sows. At the beginning of the disease, systemic symptoms are not obvious, severe cases of elevated body temperature, less food or loss of appetite, emaciation, often due to cachexia and death, which is harmful to the pig industry. Characteristics of the disease: first of all, red papules with large grains of rice appeared on the skin on the body surface.
2019-01-16 -
Treatment of porcine necrotizing dermatitis
Epidemic characteristics: pig necrotizing dermatitis caused by necrotic bacilli, its infectivity is very strong. In the hot and humid weather every year, piglets, shelf pigs, boars and sows are prone to the disease. The disease occurred in the whole litter, and there was interactive infection between piglets and sows, but more piglets were infected by sows. At the beginning of the disease, systemic symptoms are not obvious, severe cases of elevated body temperature, less food or loss of appetite, emaciation, often due to cachexia and death, which is harmful to the pig industry. Features: first, red papules with large grains of rice appear on the skin on the body surface, often scratching, and papules recur.
2019-01-15