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How can the reproductive performance of three-way cross sows be improved? Pig farmers are all paying attention to these questions
To improve the reproductive performance of three-way cross sows, countless pig farmers are all paying attention to these questions
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How can the farming profitability of pink-shell laying hens be improved?
How to improve the farming profitability of pink-shell laying hens
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How can the survival rate of Small-tailed Han sheep lambs be improved?
How to improve the survival rate of Small-tailed Han sheep lambs
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How can the reproductive performance of sows be effectively improved?
How to improve the reproductive performance of sows
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How can poultry farming profits be improved? Breaking out of five misconceptions is key
How to improve poultry farming profits: breaking out of five misconceptions is key
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The dace is an aquatic improved species with relatively high economic value for farming.
Dace is also known as river fish and slippery fish. There are more than 20 species of dace worldwide, distributed only in China, Japan, Korea and the eastern part of the former Soviet Union. China has about 10 species of dace, mainly distributed in the waters of northern China. The species vary by region; those with mature farming technology and relatively high economic value include: 1. Baikal dace. Mainly distributed in the **Burqin area of China. This fish is a small to medium-sized precious fish, weighing 100-200 grams, with excellent flesh flavor, strong reproductive capacity and high population yield. 2. Northeast dace. Most are distributed
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Long-finned koi successfully bred at aquatic improved variety trial farm
In Renhe Village, Bingcun, Meixian, there is a farmer named Qiu Dong. Two years ago, he suffered a natural disaster while growing golden pomelo, and nearly 400,000 yuan of investment was almost completely lost. He then switched to raising grass carp, but an 8-mu pond earned him only about two thousand yuan in a year, unable to make ends meet, and he fell into no small amount of debt, with his finances in dire straits. One day, a fisheries expert appeared and showed him a kind of fry, which brought a turning point in his life. Now, he has become a locally somewhat well-known "fish" farming specialist, with an annual net income of more than 20,000 yuan, and has led three or four neighboring relatively poor villagers to prosper together.
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How can the water color of eel culture ponds be improved?
During the culture process, the pond water color changes unpredictably, indicating that phytoplankton have died in large numbers, zooplankton such as rotifers and water fleas have increased sharply, dissolved oxygen and pH have decreased, harmful gases have increased, eels have reduced feeding, and floating head has appeared, leading to disease and death. The improvement methods are as follows: 1. Light green turns transparent: This phenomenon is caused by massive reproduction of zooplankton such as rotifers and water fleas. Trichlorfon at 0.5 ppm plus potassium permanganate at 2 ppm can be used to kill excess rotifers and water fleas, or a large water exchange can be used; stock 500 g or more per fish of bighead carp per mu
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How can the efficacy of fishery drugs be improved? These five methods must be mastered
Improve the binder The binder must be highly sticky, otherwise the drug is easily lost in the water. Standard wheat flour is a good binder material. For swallowing fish, it is best to make pelleted medicated bait or ball-shaped medicated bait for feeding. Add a feeding attractant Fish have a keen sense of smell; even if 1 gram of alanine is dissolved in 1 million liters of water, fish can still detect it. For example, if strongly aromatic Chinese herbal medicines such as star anise and Angelica dahurica are ground into fine powder as a feeding attractant, and mixed into fishery drugs at a ratio of 10%-20%, or added to roasted soybean powder, wheat flour, etc., all have obvious attractant
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Silkie chickens have poor vitality and disease resistance; how can their survival rate be improved?
Silkie chickens have poor vitality and disease resistance; how can their survival rate be improved?
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