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What Water Depth Is Suitable for Shrimp Farming? Key Points for Controlling Water Hardness and pH
Abstract The suitable water depth for shrimp farming is 0.9-1.5 m, the suitable pH range for shrimp growth is 7.7-8.8, the suitable hardness of shrimp-farming water is above 250 mg/L, and the suitable total alkalinity is above 80; if it is below 80 or above 400, corresponding measures must be taken. I. What Water Depth Is Suitable for Shrimp Farming Generally
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Mantis Shrimp Farming Conditions: Water Source and Water Quality Are Key, Keeping Water Temperature Well Controlled Makes Them Grow Fast
Abstract Farming mantis shrimp requires an abundant water source and good water quality. Cement ponds are best for the farming pond, and the size of the nursery pond should preferably be controlled at around 9×4×1.2m. The water temperature should be kept between 20-27°C, the water visibility at around 30cm, more than 1/4 of the water should be changed every day, and the oxygen content in the water should be maintained at
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How should sturgeon stocking density be controlled to be reasonable?
Abstract The optimal stocking density for sturgeon is 2-4 kg/㎡, the optimal stocking density for Russian sturgeon can reach 4-5 kg/㎡, the Russian sturgeon has the fastest growth rate among sturgeons, and according to the growth condition of the fish, the stocking density should also be adjusted accordingly. At present, cage culture of sturgeon is the most worthwhile culture method to promote.
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What to feed Apis cerana for fast reproduction? The best methods for controlling wax moth
We all know that Apis cerana has strong adaptability and agile flight speed, and can quickly evade enemies. Apis cerana is the signature bee breed unique to China. Apis cerana is mainly a pollinating insect centered on mixed wood trees, and Apis cerana has strong foraging ability, a relatively high utilization rate, a long honey-gathering period, and
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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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Methods for preventing and controlling common predators in toad farming
(1) Prevention and control of tadpole predators 1. Types of predators Carnivorous fish, turtles, shrimp, rice field eels, water snakes, water centipedes, leeches, aquatic plankton, etc. In addition, large tadpoles eat small tadpoles, and young toads and adult toads eat small tadpoles. 2. Prevention and control methods (1) Before stocking tadpoles
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What are the methods for preventing and controlling insect pests in centipede farming?
1. Ants. Ants are the greatest enemy of centipedes during molting and the egg-laying and hatching periods. Because a centipede that is molting has no ability to resist, and its new skin is tender, it easily attracts large groups of ants that bite it to death. At the same time, during the incubation of eggs, the centipede is in a semi-sleep state and moves slowly, making it easy for
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How Much Water Is Right for Crayfish Farming? Key Points for Controlling Water Level Depth
Once summer comes, crayfish are hard to find, which shows just how popular they are. Crayfish are delicious and highly nutritious, but most people do not know much about how to farm them. If you want crayfish with plump meat, water quality management is very important. Below, the editor will introduce
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Cucumber diseases must be prevented and controlled early, growers need to pay attention
Cucumbers are widely cultivated throughout China, with greenhouse or plastic tunnel cultivation in most regions; they are now widely grown in temperate and tropical regions. Cucumber growers need to pay attention: the following symptoms indicate disease, and prevention and control should be carried out as early as possible. I. The main
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What are the main diseases of onions? And how should they be prevented and controlled?
Onions are widely planted and cultivated in China and are one of the main vegetable crops grown in the country. So what diseases do onions have during cultivation? And how should they be prevented and controlled? Although onions are widely grown, in China they are still mainly concentrated in Fujian, Shandong, Gansu, Inner Mongolia, Xin
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