1. Selection of male fish: Male flowers of flower horn strains and pearl strains of Lohan are mature earlier than normal. Generally, it is possible to produce sperm within 8 months or more. However, male fish of the Golden Flower line need 2 to 3 years to mature. . No matter which breed of male fish should choose healthy fish with large body size and strong body as the broodstock, we should choose the best male fish when pairing, so as to ensure the survival rate and quality of the small fish. We sell kinds of tea, made in China. Main product is Green Tea, also have black tea. Green Tea Green Tea,Green Tea Organic,Green Tea Packets,Pure Green Tea Chengdu Minghe Agriculture Co.,Ltd , http://www.cdmhny.com
2, the choice of female fish: flower angle and pearl strains of female Luoyang sexual maturity earlier, generally more than 5 months can basically lay eggs. However, the golden-flowered females of Lohan have relatively late sexual maturity, and they generally spawn for more than 8 months. To select a healthy and slightly larger female from the age-appropriate fish, we must also choose a pair of good-looking females. In particular, we must choose a good female body with coherent females on the surface of the body in order to ensure smallness. The survival rate and quality of fish.
3, pairing: refers to the male and female broodstock placed in feeding tanks to raise their feelings. Because only the two parties get along well together, the “feeling†is good, and their spawning rate, fertilization rate and hatching rate will be high, otherwise it will cause reproductive failure.
4, reared into
When the male-female broodstock is paired successfully, it must be carefully reared for prenatal culturing. Usually pay more attention to observe the water quality, to ensure that the water's ammonia chloride content is low, dissolved oxygen should be high, such as water temperature should be maintained at 30 °C, dissolved oxygen greater than 6 mg / l, pH value of 7, ammonia nitrogen content of less than 0.01, because the broodstock Only in a comfortable living environment can the next generation be successfully propagated. In addition, pay attention to the feed. To ensure that the food is nutritious enough, you can feed more protein-rich foods such as breadworms, clams, frozen shrimp, etc., and carefully sterilize the food before feeding to prevent the brooders from eating foods with bacteria and affecting production. Eggs and fertilization; at the same time should pay attention to observe the broodstock eating conditions, the broodstock is about to eat a large amount of food, if the broodstock does not eat or eat very little, we must pay more attention to carefully find out the reasons for the water quality problems, or The broodstock is sick... In addition, Luohan has higher environmental requirements during reproduction. It needs a relatively quiet environment. In order to create this atmosphere, it is best to lay some sand in the hatching tank and use some waterweed or rock patterns as background. And, as far as possible, during the spawning of Rohan, do not visit the broodstock or walk in front of it to avoid disturbing it.
5, the required materials: a hatching cylinder, the size is generally 50cm * 50cm * 60cm, a marble plate or a flat-bottomed plate, easy to fish eggs attached to the top of a bottle of methyl blue solution or market sales of finished pharmaceuticals. After the males and females lay eggs and ejaculate, add a little methyl blue solution to the water to prevent the unfertilized eggs from rotting and deteriorating and affecting the water quality. Or add into the market for the pharmaceutical, such as special sterilization, convenient and reliable. One dropper, the generally white fish eggs are unfertilized eggs and need to be removed by a dropper in time.
6. Spawning and fertilization: The males are individually housed in the incubation tank for 1 to 2 days to adapt to the environment and gradually establish their own territorial awareness. When observing the female fish carefully, and discovering that there is a sign of oviposition (such as exposure of the genitalia), the female fish should be immediately placed in the hatching tank to observe whether there is a fighting phenomenon between the broodstock. If there is no fighting phenomenon, the pairing is successful. The prepared marble plate or flat bottom plate is placed on the bottom of the incubator tank, and the male and female brooders will constantly use the mouth to clean the dirt on the stone plate. At this point, the genitals of the male and female fishes are all exposed, and the females are spawning.