Pelteobagrus fulvidraco tank reproduction video playback and download, Pelteobagrus fulvidraco culture video

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Pelteobagrus fulvidraco fish tank reproduction video playback and download

An overview of the summary catalogue of this article:

• 1 、How to reproduce yellow croaker fry

  

• 2 、How to breed fish?

• 3 、Techniques and steps of artificial propagation of Pelteobagrus fulvidraco (technical problems of artificial propagation of Pelteobagrus fulvidraco)

• 4 、Breeding methods of Pelteobagrus fulvidraco

How to reproduce yellow croaker fry

1. (1) the season of induced labor. The spawning period of Pelteobagrus fulvidraco is longer, in the Yangtze River basin, the spawning period is generally from late May to mid-July. Artificial induced labor can be carried out when the temperature is stable above 20 ℃. Whether the induced labor of Pelteobagrus fulvidraco is smooth or not is not entirely determined by the season, but mainly depends on whether the gonadal development is mature or not. (2) parent selection.

2. The fertilized eggs of artificially hatched Pelteobagrus fulvidraco are oblate and yellowish, the egg membrane is transparent, and the egg diameter is about 2 mm.

3. Mixed culture. Pelteobagrus fulvidraco is cultured in other fish ponds, and some wild miscellaneous Fish and shrimp in the pond can be used. There is no need to feed Pelteobagrus fulvidraco separately. If you put 100 fish species with specifications of about 35 grams per mu, you can get 10mur15 kilograms of commercial Pelteobagrus fulvidraco.

How to breed fish?

Pond selection and cleaning and disinfection. Choose a fish pond with good water quality and sufficient water source, with a water depth of more than 5m and an area of 2-10 mu. For ponds whose bottom silt exceeds 10cm, excess silt must be removed.

Ponds: for breeding Pelteobagrus fulvidraco, we should choose rivers and ponds with adequate water sources and convenient drainage and irrigation. Mixed culture: silver carp, bighead carp and bait fish can be put in the pond. Water quality: the water needs to be changed every half a month or so to keep the water clean.

The mixed culture of Pelteobagrus fulvidraco can save artificial bait. Large water surface mixed culture of Pelteobagrus fulvidraco has high population yield, which does not affect the yield of the main species and does not need additional bait.

Site: Pelteobagrus fulvidraco should be cultured in a place where there is no pollution and convenient transportation. Before Breeding, drain the water from the fish pond, disinfect the fish pond with quicklime, and then dry it for 7 days. Fish fry: choose healthy, dynamic, disease-free fry.

Techniques and steps of artificial propagation of Pelteobagrus fulvidraco (technical problems of Artificial propagation of Pelteobagrus fulvidraco)

The fertilized eggs of artificially hatched Pelteobagrus fulvidraco are oblate and yellowish, the egg membrane is transparent, and the egg diameter is about 2 mm.

Mixed breeding. Pelteobagrus fulvidraco is cultured in other fish ponds, and some wild miscellaneous fish and shrimp in the pond can be used. There is no need to feed Pelteobagrus fulvidraco separately. If you put 100 fish species with specifications of about 35 grams per mu, you can get 10mur15 kilograms of commercial Pelteobagrus fulvidraco.

Artificial induction of labor: before the induction of labor, the female should choose the belly dilated, soft, and gently press the abdomen with a small number of eggs to flow out; the male should choose the enlarged abdomen, squeeze the parent fish with semen and rapidly spread in the water as the parent fish. Four major domestic fish breeding facilities can be used to induce reproduction.

Breeding methods of Pelteobagrus fulvidraco

1. The fertilized eggs of artificially hatched Pelteobagrus fulvidraco are oblate and yellowish.Pelteobagrus fulvidraco fish tank reproduction video playback and downloadThe egg membrane is transparentPelteobagrus fulvidraco fish tank reproduction video playback and downloadThe diameter of the egg is about 2 mm.

2. (1) the season of induced labor. Pelteobagrus fulvidracoPelteobagrus fulvidraco fish tank reproduction video playback and downloadThe spawning period is longer, in the Yangtze River basin, the spawning period is generally from late May to mid-July. Artificial induced labor can be carried out when the temperature is stable above 20 ℃. Whether the induced labor of Pelteobagrus fulvidraco is smooth or not is not entirely determined by the season, but mainly depends on whether the gonadal development is mature or not. (2) parent selection.

3. Artificial incubationPelteobagrus fulvidraco fish tank reproduction video playback and downloadPelteobagrus fulvidraco is a batch spawning fish, the spawning duration is longer, generally maintained at more than 6 hours, the vast majority should be allowedPelteobagrus fulvidraco fish tank reproduction video playback and downloadAfter the parent fish is laid, the nests can be moved into the hatching ring or incubator to hatch.

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