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Prevention and Control Methods for Microsporidiosis in Farmed Shrimp
(1) Pathogen In China, 3 species have been found: Ameson on the bodies of Chinese shrimp (Penaeus chinensis) and banana prawn (Penaeus merguiensis), Agmasoma on the body of banana prawn, and Pleistophora on the body of white shrimp (Penaeus penicillatus). The spores are slightly oval or pear-shaped, with a length of 2 to
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How to prevent and treat gas bubble disease in abalone? Farmers need to master these methods
[Clinical symptoms] In diseased abalone, the suction ability decreases or they even lose the ability to attach completely, and food intake drops sharply or they even stop feeding. The abalone body floats on the water surface, the pigment at the mouth area degenerates, and the radula becomes abnormally dilated. Dissection shows bubbles in the epithelial tissue, throughout the body muscles and connective tissues, and gas embolism also occurs in the blood vessels, the vacuoles in blood cells enlarge, and the internal organs become swollen.
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How to prevent crab diseases in winter? Six practical methods to master
First, freeze and sun-dry the pond bottom. After the crab pond is cleaned, clear the drainage ditches, use machinery to pump water regularly, and try to let the pond bottom undergo severe freezing and sunlight exposure for about one month, so as to improve the soil condition of the pond bottom and allow some pathogens to be killed by freezing and sunlight exposure.
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Prevention and Control Methods for Bacterial Diseases in Loach Aquaculture
Loach (Misgurnus anguillicaudatus) is a warm-water bottom-dwelling fish with both food and medicinal value, and is one of the main freshwater economic fish species in our country. In recent years, due to export earnings and increased market demand, artificial intensive loach farming has developed rapidly, and various bacterial diseases have consequently emerged.
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Causes and Prevention and Control Methods of Newcastle Disease in White-Feathered Broiler Chickens
Newcastle disease is also called Asian fowl plague. Newcastle disease is a highly contagious, acute septicemic infectious disease caused by a virus. The main characteristics of Newcastle disease are difficulty breathing, diarrhea, nervous dysfunction, and hemorrhage of mucous membranes and serous membranes. It mainly attacks chickens and turkeys,
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Several Pairing Methods for Eye Sand in Racing Pigeon Breeding
Every racing pigeon fancier hopes that his pigeons will win the championship or place in short-distance and long-distance races, and this feeling is understandable. However, we must first understand what kind of eye sand is suitable for short-distance or long-distance racing. Racing pigeon eyes: pupil
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Detailed Guide to Identifying the Authenticity, Quality, and Superiority of Small-Tailed Han Sheep
1. The difference between crossbred hybrid sheep and authentic Small-Tailed Han Sheep. Some production areas historically carried out crossbreeding improvement on Small-Tailed Han Sheep; the resulting offspring grow slowly, and as adults are far inferior to Small-Tailed Han Sheep, while ewes have low lambing rates and poor economic returns. 2.
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Disease Prevention and Control Methods in Boer Goat Farming
Goat disease prevention and control must implement the principle of prevention first, with prevention outweighing treatment, to ensure the healthy growth and development of the goats. Especially with the development of intensive goat farming, there are more and more breeding goat farms and goat farmers, and the scale is constantly expanding, so adhering to the principle of prevention first is particularly important
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Methods for Castrating Male Xiang Pigs in Xiang Pig Farming
Castration of Xiang Pigs. For any male or female Xiang pigs not kept for breeding, in order to make their temperament docile, facilitate group raising and improve meat quality, castration (neutering) surgery can generally be performed between 2.5 and 3 months of age. ① Castration methods for male Xiang pigs. Castration of male Xiang pigs should generally be done early rather than late, and the surgery can be performed between 15 and 30 days after weaning. Castrating at too young an age hinders normal growth and development; castrating at too old an age increases the difficulty of the surgery. After 15 days post-weaning, Xiang pigs have basically adapted to the new environment, and a day with clear weather and no strong wind can be chosen for the surgery.
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Prevention and Treatment Methods for Dangerous Epidemic Diseases in Deer Farming
Type 5 disease, also known as this disease, spreads rapidly and is highly harmful. The prevention method is injection of bovine foot-and-mouth disease type O vaccine, but injection of the vaccine in female deer can easily cause miscarriage, and in deer already latently infected it can easily trigger an outbreak of this disease. Therefore, if this disease has already occurred in a certain deer herd, injection of this vaccine should be done with caution.
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