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How to prevent and treat saprolegniasis in freshwater pomfret during overwintering
1. Diseases commonly occurring in freshwater pomfret during overwintering. The most common fish diseases occurring in freshwater pomfret during overwintering are saprolegniasis, ichthyophthiriasis, trichodiniasis, chilodonelliasis, etc., especially ichthyophthiriasis, which can easily cause explosive death. The causes of various fish diseases are due to
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How to prevent and treat ichthyophthiriasis in freshwater pomfret during overwintering?
Ichthyophthiriasis is the second most common disease of freshwater pomfret during overwintering. Its incidence rate is lower than that of saprolegniasis, but the mortality rate per unit area is higher than that of saprolegniasis, and it can also lead to concurrent saprolegniasis. 1. Pathogen Ichthyophthirius multifiliis. 2. Symptoms On the body surface and
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Control methods for chilodonelliasis and trichodiniasis in freshwater white pomfret during the overwintering period
1. Pathogens: Chilodonella cyprini, Trichodina. 2. Symptoms: Both parasites attach to the skin and gills of fish, stimulating the secretion of large amounts of mucus, causing a pale blue film to form on the skin surface of diseased fish (chilodonelliasis) or a white film to appear on the fins, head, and body surface (trichodiniasis).
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Precautions for Farming Freshwater Pompano During the High-Temperature Season
When summer arrives, temperatures are high, water quality changes easily, and fish diseases occur easily. To reduce the impact of high temperatures on freshwater pompano farming, demonstration households are reminded to pay attention to the following points: 1. Copper sulfate and trichlorfon, as traditional chemical drugs, are widely used in fishery production, and sometimes
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Nine Key Points to Note During the Peak Growing Season for Fish Farming
1. Prevent starvation. Fish have a large food intake during the peak growing season, so more bait should be fed. In ponds mainly stocked with grass carp, crucian carp, tilapia, etc., mixed baits such as wheat bran, oilseed cake, and bean dregs, as well as fresh baits such as tender grass and plant stems and leaves, should be fed. Under normal circumstances, the daily amount of coarse feed fed should account for
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Key Technical Points for Feeding and Management of Dairy Cows During the Dry Period
In order to raise dairy cows well during the dry period, the dry period is generally divided into two stages for feeding: the early dry period and the late dry period. The entire stage from the start of drying off to 15 days before calving is called the early dry period, and the 2 weeks before calving to parturition is often called the late dry period (also known as
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Methods for Controlling Natural Enemies During Gecko Farming
The main natural enemies of geckos are ants, snakes, rats, birds, cats, etc. Although ants are small, they can bite geckos, affecting their molting, to the point that the wounds fester and break open. Snakes, rats, birds, cats, etc. prey on geckos, posing a direct threat. 1) Control of ants There are many methods for controlling ants
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How to Store Egg Branches of Golden Cicadas in Autumn and Winter During Farming
The golden cicada actually belongs to the cicada family; before the cicada emerges as an adult, we call it the golden cicada. In some areas of northern China, the golden cicada can be made into a delicious dish and is deeply loved by local people. This is the profoundness of Chinese culture, while in the south
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How to Feed Laying Ducks During the Laying Period? A Detailed Guide to Scientific Feeding Methods
Feeding laying ducks during the laying period is crucial. How can you make the most of the laying period of laying ducks? Below we offer some experience. Because of continuous egg production, the nutrients consumed are especially high. For example, if one egg is laid daily and the egg weight is calculated at 65g, then crude protein
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Key Technical Points for Feeding and Management of Laying Hens During the Laying Period
The first laying cycle of egg-type chicken breeds is about 1 year, and the whole process can be divided into three stages: early laying period, peak period and late laying period. The coordinate curve plotted based on the average weekly laying rate during the laying period (the vertical axis indicates the laying rate, and the horizontal axis indicates age in weeks) is called
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