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What are the reasons for mass mortality of marine crabs during molting?
Mortality of marine crabs during the molting period manifests as large numbers of marine crabs dying before molting (failed molting), and many marine crabs also die after completing the molt (excessive physical depletion after molting, soft shells that do not harden, etc.). The reasons for mortality of marine crabs during the molting period are: (1) the water body is polluted, dissolved oxygen is low, affecting molting, leading to death; (2) nutritional imbalance in marine crabs (deficiency of calcium, phosphorus, magnesium, zinc, iron, vitamins, etc., weak constitution); (3) irritating drugs used during the molting period, causing some deaths; (4
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Analysis of the Causes of Explosive Fish Mortality and Prevention and Control Measures
2. Countermeasures for bacterial and parasitic diseases. For bacterial diseases, the main approach is to control the reproduction of pathogenic bacteria in the pond water and keep their numbers below the disease-causing threshold. This requires routine regular disinfection, using "Yujunjing", "Yujunjing No. 2", "Jundi" or strong chlorine powder once every 7-10 days to prevent excessive reproduction of pathogenic bacteria. After a bacterial disease occurs, disinfect continuously 2 times with a disinfectant, and at the same time mix drugs such as "Chuxueping", "Jingbo Baoxueping", "Yubingkang", "Yufubao" or "Jianyule" into the feed
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Pheasant chicks are delicate and have a high mortality rate. How can you get the feeding and management right?
Pheasant chicks are delicate, so mortality is high. How should you feed and manage pheasant chicks?
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Sheep epidemics are contagious and have a high mortality rate; how can large-scale sheep farming prevent and control them?
Sheep epidemics are contagious and have a high mortality rate; how can large-scale sheep farming prevent sheep epidemics?
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High mortality in chicks from aspergillosis: how to prevent and treat it?
Aspergillosis causes high mortality in chicks: how to prevent and treat chicken aspergillosis
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The mortality rate of pregnancy toxemia in ewes is as high as 70%, how can it be prevented and treated?
Pregnancy toxemia mortality rate as high as 70%, how to prevent and treat toxemia in ewes
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The quality of brooding affects production efficiency; how to reduce chick mortality
The quality of brooding affects production efficiency; how to reduce chick mortality
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Causes of Mass Mortality in Razor Clam Farming and Prevention Methods
Causes of Mass Mortality in Razor Clams and Prevention Methods
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What are the reasons for the higher embryo mortality rate in pigeons
Reasons for the higher embryo mortality rate in pigeons
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This vegetable, commonly known as the "herb of immortality and longevity," is a nemesis of high blood pressure, and it grows like crazy when planted in a flower pot
This vegetable is commonly known as the "herb of immortality and longevity" and is a nemesis of high blood pressure. Plant it in a flower pot and it grows like crazy! Legend has it that when Qin Shi Huang ordered Xu Fu to search for the elixir of life, the plant he was looking for was this plant called Mingyue grass, also commonly known among the people as the "herb of immortality and longevity...
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