1. Where can I buy shriveled bighead carp fry?
The following is a small series of benefiting farmers. Com simply sorted out some prices of today's shrinking bighead carp fry: 1 yuan/tail, Shunde District, Foshan City, Guangdong Province; 0.6 yuan/Wei of bighead carp fry in Huadu District, Guangzhou City, Guangdong Province; 0.6 yuan/Wei of bighead carp fry in Nanhai District, Foshan City, Guangdong Province; The price of bighead carp fry in Jiangnan District of Nanning, Guangxi is 0. 17 yuan/tail, etc. The above prices are for reference only, and the price of bighead carp fry may fluctuate according to different regions, time, season and market conditions. Generally, bighead carp fry are available in some aquatic products markets. Friends who want to buy bighead carp fry can also buy them at Huinong. com。
Second, how to cultivate shriveled bighead carp seedlings?
1. Physical stimulation such as electric shock and hydrostatic pressure was used to induce the variation of normal bighead carp fry. Under the action of external stimuli, the frequency of fry mutation will greatly increase, much faster than natural reproduction.
2. By needling the spine of fry, the spine and nervous system of fry are destroyed, so that the second half of fry stops developing, thus achieving the effect of morphological variation.
3. The technical operation is carried out during the fertilized egg. The success rate of this method is only about 5%, with high technical content and cost, which is not the mainstream cultivation method.
Third, the characteristics of bighead carp
Shrinking bighead carp can be obtained by natural environment generation, special low temperature physical treatment, artificial drug treatment and other methods. Uncontrollable natural environment is very small, drugs and artificial heels grow slowly or there are food safety problems.
However, it is safer to shrink the bones of bighead carp fry by mild hypothermia physical treatment and re-breeding technology, and there is no drug residue and it will affect the normal growth. Due to physical treatment, the specific length of the fish can be freely determined and can be controlled to the most suitable body shape. Generally, the body of the same weight is the best.
The above is the introduction of bighead carp fry. In appearance, bighead carp is shorter and fatter than common bighead carp, with flat side and large and wide head. The head length is about 1/2.5 ~ 1/3 of the body length. The appearance of bighead carp caters to the consumer market, and it is a new variety of chopped pepper fish head, which is very recognized by the domestic market.
Remarks: The above price information of agricultural products comes from the wholesale price quoted by users in Huinong.com (non-market retail price), and the data are for reference only.