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Why can't the body color of yellow croaker turn yellow in running water culture?
Why can't the body color of yellow croaker turn yellow in running water culture?
2018-07-11 -
Changes of characteristics of cultured Pelteobagrus fulvidraco and its relationship with feed
Changes of characteristics of cultured Pelteobagrus fulvidraco and its relationship with feed
2018-07-11 -
Control methods of four kinds of Diseases of Edible Fungi
1. Brown rot. Also known as vesicular disease, wet bubble disease. Mainly harmful to mushrooms, straw mushrooms, Pleurotus ostreatus and so on. The disease is caused by the pathogen of Alternaria verrucosa. Main features: the conidia and chlamydospores of verrucosporium only infect the fruiting body, not the mycelium. When the fruiting body is slightly infected, the stalk is swollen into a bubble deformity, so it is called wet bubble disease. However, the disease is different at different stages of fruiting body development. When the fruiting body is infected when it is undifferentiated, there is an irregular tissue mass, such as a hard-skinned horse, covered with white fluffy hyphae and gradually darkened.
2019-01-15 -
Control of four kinds of Diseases of Edible Fungi
1. Brown rot is also known as vesicle disease, wet bubble disease and so on. Mainly harmful to mushrooms, straw mushrooms, Pleurotus ostreatus and so on. The disease is caused by a pathogen called verrucosporium. The main characteristics are as follows: the conidia and chlamydospores of verrucosporium infect only the fruiting body and do not infect the mycelium. When the fruiting body is slightly infected, the stalk is swollen into a bubble deformity, so it is called wet bubble disease. However, the disease is different at different stages of fruiting body development. The fruiting body is infected when it is not differentiated. There is an irregular tissue mass, such as a hard-skinned horse, covered with a layer of white fluffy hyphae, and gradually
2019-01-15 -
Control of common diseases and insect pests of Pleurotus eryngii
Pleurotus eryngii is also known as Pleurotus ostreatus because it mainly grows on plants such as parsley of Umbelliferae. Pleurotus eryngii is rich in nutrition, fruiting body contains about 16% protein, 11% crude fat, 6% ash, 4% crude fiber, rich in 18 kinds of amino acids, excellent taste. Regular consumption can prevent cardiovascular disease, diabetes and obesity, and has beauty.
2018-07-19 -
Control methods of main Diseases and insect pests of Edible Fungi
Control methods of main Diseases and insect pests of Edible Fungi
2019-07-04 -
Will leeches get into the body?
Will leeches get into the body?
2018-09-07 -
Agricultural measures for controlling Diseases and insect pests by cultivated species of Edible Fungi
Agricultural measures for controlling Diseases and insect pests by cultivated species of Edible Fungi
2019-08-11 -
Techniques for cultivating High-yield Edible Fungi
Techniques for cultivating High-yield Edible Fungi
2019-07-23 -
Methods of cultivating High-yield Edible Fungi
At present, a large number of cultivated edible mushrooms such as Pleurotus ostreatus, Lentinus edodes, Flammulina velutipes, hericium Erinaceus, fungus, Tremella fuciformis and Agaricus bisporus can be divided into mycelium stage and seed stage.
2019-02-23 -
Causes of abnormal fruiting body of Pleurotus ostreatus
1. Fruiting body primordium differentiation is not good, similar to cauliflower. The main reasons are poor ventilation and high carbon dioxide concentration in the fruiting room. 2. The fruiting body cap is small and shriveled, and the stipe is long and hard. The main causes are high temperature, low humidity and poor ventilation. 3. Young mushrooms have slender stems and small pileus. Form...
2018-09-09 -
How to identify the quality of fish species in aquaculture
Strong fish species is not only an important basis for increasing adult fish production, but also one of the main conditions to improve the survival rate of fish species. The main standards for identifying the quality of fish species are 5.
2019-02-26 -
The cultivation method of edible fungus: how to grow the planting method of edible fungus? High yield cultivation techniques of Edible Fungi
At present, a large number of cultivated edible mushrooms such as Pleurotus ostreatus, Lentinus edodes, Flammulina velutipes, hericium Erinaceus, fungus, Tremella fuciformis and Agaricus bisporus can be divided into mycelium stage and seed stage.
2019-02-22 -
A complete collection of pictures of medicinal leeches
A complete collection of pictures of medicinal leeches
2018-07-07 -
Farmers must know the common parasitic diseases and control methods of pigs, cattle and sheep!
Pigs, cattle and sheep were not only sacrificed livestock in ancient times, but also widely raised livestock. In the breeding process, it is inevitable that diseases and insect pests will occur and cause losses. The following is to introduce the common parasitic diseases and control methods of pigs, cattle and sheep! Extensive nourishment
2020-11-11 Farmers one must know pig cow sheep common -
Fungal diseases of edible fungi and their control
Fungal diseases of edible fungi and their control
2019-07-10 -
Breeding items of young dogs
Infancy is the main stage of growth and development, the body is growing rapidly, so it is necessary to provide adequate nutrition. Generally speaking, the body and weight are mainly increased in the first three months after birth, the body length is mainly increased in 4-6 months, and the body height is mainly increased after 7 months. Therefore, different nutrients should be supplemented according to different stages of development. The puppies within 3 months are fed at least 4 times a day. Less frequent feeding can make the dogs feel not full and will not be bored and picky. For puppies aged 4-6 months, their food intake increases, their body weight increases rapidly, and their daily feed requirements also increase.
2019-01-16 -
Prevention and treatment of inclusion body hepatitis in chickens
Prevention and treatment of inclusion body hepatitis in chickens
2018-07-04 -
Classification of pig breeds and types
China's geographical conditions and ecological environment are diverse and complex, coupled with a long history of pig breeding, under the careful cultivation of the working people, many excellent local breeds have been formed, and their number has reached more than 100. In the 1980s, appropriate integration was carried out to determine the local breeds of China.
2020-11-27 pig breed and type division china geography condition -
Shrimp Culture of Penaeus vannamei: successfully starting from Seedling
In July 2016, breeding Diantong came to Zhanjiang Haimao Shrimp Seedling Company in Guangdong Province for an one-month study exchange, during which the author developed shrimp fry.
2019-02-26