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Feed Amount Control Methods for Breeding Ducks at Different Laying Stages
Early laying stage. The increase of feed amount in the early laying stage should follow the principle of gradual progress. Generally, the female duck flock begins to lay eggs at 21-22 weeks of age. After laying begins, the feed supply should be increased by 5-10 grams per duck per week according to the body weight of male and female ducks, so as to prompt the flock to reach a 5%
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Methods for the Prevention and Control of Fish Diseases in Rainbow Trout (Oncorhynchus mykiss) Reared in Brackish Water
Rainbow trout (Oncorhynchus mykiss) is a cold-water, euryhaline fish, noted for its delicious flesh and rich nutrition, with high economic value, and is one of the world's fine aquaculture species. Jingtai County is one of the most arid areas in central Gansu Province, lacking freshwater resources, but it has a certain flow
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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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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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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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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 Moss in Crab Ponds? Key Points for Prevention and Control in Crab Farming
The massive growth of moss in crab ponds has an enormous impact on the survival rate of river crab seedlings and farming profitability. The main reasons for moss spreading in crab ponds are: (1) Relatively shallow water levels and strong light. During the germination and early growth stages of aquatic plants, to ensure the plants receive enough light
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Prevention and Control Methods and Technical Key Points for Rotting Stomach Disease in Sea Cucumber Aquaculture
This disease mostly occurs in the late auricularia larval stage, and is more likely to break out during the high-temperature period from June to July each year and when larval rearing density is high. The disease has been found in both Shandong and Liaoning provinces, and its incidence rate has shown a trend of increasing year by year. The main symptoms of disease and death are: the larval stomach wall thickens
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Control Methods for Fusarium Disease in Shrimp Farming
(1) Pathogen: The Fusarium species include Fusarium solani, Fusarium oxysporum, Fusarium tricinctum and Fusarium graminearum. The fungal body is filamentous and branched, often with septa. Reproduction occurs by forming macroconidia, microconidia
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Prevention and Treatment Methods for Feed-Induced Diseases in Dairy Cows
In the process of dairy cow breeding, farmers mostly use various local grasses, vegetables, agricultural by-products and industrial by-products as feed. Occasionally, improper feed handling leads to dairy cow illness, reducing milk yield and quality, and even causing cow death, which affects the development of the cattle industry. The following are the
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