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How many years does a sturgeon generally need to be farmed before it can spawn?
Summary According to relevant research, female fish are around 16-29 years old when they spawn, and their body weight generally reaches around 170-300 kg, while male fish reach sexual maturity at around 9-22 years old, with a body weight of around 40-125 kg. The fish school stops feeding during the spawning period, and the optimal hatching water temperature for the eggs is around 20°C.
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What is the best season for river shrimp farming?
Summary Currently river shrimp farming generally adopts a two-season model of summer-autumn and winter-spring. Those stocked from mid-July to early August of the same year and harvested and marketed around the Spring Festival are summer-autumn river shrimp; those stocked in early March of the following year and marketed in mid-to-late June are winter-spring river shrimp. River shrimp can each year
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What is the appropriate stocking density for grass carp? Scientific stocking is the key
Summary: For grass carp fingerlings generally around 200-250g in size, the stocking density should be kept at about 300 fish/mu. To improve farming efficiency, grass carp are usually polycultured together with other fish species. Generally, crucian carp fingerlings at 15-20 fish/kg are stocked at 300 fish/mu, and at 5-6 fish
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What factors affect crucian carp farming yield?
Summary The yield of crucian carp can generally reach about 4000 jin/mu, and their yield has a certain relationship with water quality, stocking density, and feed feeding. Adjust the density according to different fish sizes. When the size is about 60g/fish, the stocking density is about 1600 fish/mu. Crucian
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How long does the grass carp farming cycle generally take?
Summary The farming cycle of grass carp is about 3 years. In the third year, the grass carp can reach a weight of about 3kg, at which point it can be sold on the market. When farming grass carp, a location with abundant water sources and good water quality should be chosen. Grass carp are generally fed in two ways: conventional feed and medicated bait. Grass
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How long do Silkie chickens generally need to be raised before they start laying eggs?
Summary Silkie chickens will start laying eggs at around 180 days of age, and the annual egg production is about 160 to 180 eggs. March to August is the best period for hatching eggs, and the hatching success rate can reach 90%. If you want to increase the egg-laying rate of Silkie chickens, you can choose 9 a.m. or 3 p.m.
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How many days does it generally take for ducks to be ready for market?
Abstract Depending on the season and climate, the number of days for ducks to be ready for market differs. In winter, ducks need 37 to 38 days to be ready for market, while in summer ducks need 41 to 43 days to be ready for market. If you want ducks to be ready for market quickly, you can feed them pig blood every day, which can make the ducks grow very fast. You can also use a herbal fattening method, using some Chinese herbal formulas ground into powder, mixed into the feed, and fed every day, and they can be ready for market in about 15 days.
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How many days does it generally take for a Shelduck to be ready for market?
Abstract Shelducks can be ready for market after about 38-45 days of farming. Shelducks grow especially fast, the input cost is not high, and the farming benefits are very good, so they are deeply loved by farmers. Shelducks can be fed roughage and are also very suitable for beginners to raise. Common Shelduck breeds
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What height is generally suitable for a chicken farm fence?
Summary The height of a chicken farm fence is generally most suitable at around 2 m. The fence material can be iron wire or stainless steel; the drawback of iron wire is that it rusts easily. For the mesh size, it is best to choose 5×5 cm, because at this size, whether for chicks or adult chickens, it
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What kind of feed is generally best for local pigs?
Summary Local pigs can be fed some fresh green vegetables, feed, and pasture grass, and can also be given some coarse fiber materials, such as corn and rice, because their digestive system is relatively strong and can digest some coarse fiber foods. 1. For local pig feed, there is a wide range of choices,
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