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Spawning technology of parent fish of cultured turbot
Turbot is found in coastal waters from the Mediterranean to Norway. Turbot is a valuable farmed fish in Europe. Turbot culture has developed continuously in the past 10 years. The production of turbot culture increased from 150t in 1985 to 3700 t in 1998. In the Atlantic coastal waters, turbot reproduces naturally in summer, but it may reproduce all year round by artificially controlling the light cycle and water temperature, or only by controlling the light cycle. Turbot spawned in batches and spawned as many as 10 times during the breeding period. Under the conditions of reception
2019-01-16 -
Composting of Pig manure and its Application in Earthworm Culture
In recent years, with the rapid development of livestock and poultry breeding industry in China, livestock and poultry fecal wastes are also increasing. the fecal wastes of some livestock and poultry farms are discharged without treatment.
2019-02-27 -
Technology of Bee Culture | the technology of changing king twice a year
The overwintering bee culture in southern Anhui begins from the first and middle of January to the end of the middle and late October. The breeding period is as long as 10 months. The queen bee is easy to aging, especially after high temperature in summer.
2019-02-28 -
Reasonable grouping and grouping method of pig
Reasonable grouping and grouping method of pig
2019-04-26 -
Investigation on Medicinal Plant groups and Resources of Nanzhonglou formation in Shaanxi Province
Shaanxi Zhonglou belongs to the investigation fund project of medicinal plant groups and resources of Nanzhonglou Group: public health project of traditional Chinese medicine (201207002); scientific research project of traditional Chinese medicine industry (2011); provincial key laboratory of Shaanxi Provincial Education Department in 2012.
2018-06-14 -
The crushing capacity of soybean in China reached 145 million tons by the end of 2014.
A survey of 100 soybean processing enterprises with a daily processing capacity of more than 1000 tons in more than 20 provinces and cities was conducted from November 2014 to January 2015. the crushing capacity is summarized as follows: the survey shows that by the end of 2014, the daily crushing capacity of soybean in China is more than 10%.
2016-01-10 In 2014 at the end of the year soybeans were crushed and produced in China reaching 145 million tons. -
Organization and management of mating wasps
The mating colony organizes mating for the small colony that the new queen bee lives, either on the 10th day after the removal or the 7th day after the king platform is sealed. To organize the mating group, you must first prepare the trunk. The standard beehive can be closely divided into 3 or 4 small areas with 2 or 3 gates. Each community can hold 2-3 nests and spleen, and open 1-3 mm long and 8 mm wide nest doors in different directions. The wall of the box in front of each nest is painted with different colors such as yellow, blue and white, so that the queen bee can identify her own hive. Put a box seal with baby bees in each district of the trunk.
2019-01-16 -
Zhengda group agriculture and animal husbandry food enterprise Henan district is looking for, Zhengda group agriculture and animal husbandry products are good
Zhengda Group Agriculture and Animal Husbandry Food Enterprise Henan District is looking for
2018-07-11 -
How many economic benefits can be produced by raising 10 groups of black golden rabbits?
Because of its high meat and fur production value, Black Golden Rabbit stands out in many breeding industries, has high efficiency, and is favored by the market. it occupies a large market space in China's meat products, and the demand is also increasing year by year. Of course, in the rural breeding industry
2020-11-11 Breeding 10 groups black gold rabbits can produce how much economic benefits -
The effect and function of flat car front
The effect and function of flat car front
2018-07-03 -
Recommended | | 10 kinds of green plants to make your job less boring
The office workers of the national flower cultivation exchange platform, flower cultivation group / meat group / vegetable group / plant Q & A group, have to face the computer screen for nearly 8 hours during the day, not to mention radiation, there is no passion for work in a monotonous environment. Select the following 10.
2018-06-08 -
Breeding methods and matters needing attention of Boer Sheep
Grazing and feeding methods: sheep flocks were organized reasonably according to grazing conditions, sex and age, about 30-50 breeding ewes and adult ewes were grouped into a group, about 20-40 castrated fattening rams were grouped into a group, and about 10 rams were fattened into a group. House feeding and feeding side
2020-11-08 Bohr sheep breeding methods and points for attention summary grazing -
The principle of grouping commercial pigs
The principle of grouping commercial pigs
2018-07-11 -
The creation of Hsinchu Wen Museum is revitalized! Mitsui Restaurant Group will be stationed
There will be a queue of famous shops in Hsinchu City. Lin Zhijian, mayor of Hsinchu, announced on the 24th that due to the extremely high consumption power in Hsinchu area, Shangyun Investment Co., Ltd., a subsidiary of Mitsui Catering Group, will invest 820 million yuan to renovate Hsinchu Mansion Hall.
2021-01-25 -
How to plant peach trees?
How should peach trees be pruned? What are the requirements? Peach tree has the following five technical points: (1) balanced pruning techniques. During pruning, the growth of trunk branches is unbalanced, the space can not be fully utilized, and the yield per plant is low. At this time, a variety of means are used to suppress the strong and support the weak to achieve the goal of balanced growth...
2018-09-11 -
Sika deer culture technology _ how much is a sika deer _ sika deer picture
Sika deer culture technology _ how much is a sika deer _ sika deer picture
2018-07-07 -
Iron shoulder stirs up "small family" to increase income and drive "everyone"
Iron shoulder stirs up "small family" to increase income and drive "everyone"
2019-02-21 -
Far-reaching Telecom won the Vision Magazine CSR Award, Environmental Protection Group Kai Mould Award
(Taiwan Business Daily News) won the Vision Magazine CSR Award Environmental Protection Group Matrix Award the 10th "Vision Magazine" Corporate Social responsibility Award was announced. Yuanchuan Telecom stood out as the "King of Energy Saving Transformation" and won the Environmental Protection Group Matrix Award, which was received by General Manager Li Bin on behalf of the General Manager. Far away.
2018-07-04 -
Little pigeons release their big dreams of getting rich and never forget to "pass on and help".
Little pigeons release their big dreams of getting rich and never forget to "pass on and help".
2019-02-20 -
Life rules and hunting methods of wild boar
The life rule of wild boar: love to hunt for food in the morning or dusk, go into the dense forest at noon to avoid the sun, most of them are group activities, 4-10 heads are more common, the activity range is 8-12 square kilometers, most of the time in the well-known areas. Night
2020-11-08 Wild boar life law and hunting method abstract wild boar