Artificial breeding method of diodon hystrix
An artificial breeding and dense spot technology, applied in the direction of climate change adaptation, animal feed, additional food elements, etc., can solve the problems of artificial breeding and seedling raising technology of pufferfish, which have not been reported, and can meet the needs of large-scale breeding and improve digestion. Use and maintain nutritional balance
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Embodiment 1
[0039] A kind of artificial breeding method of pufferfish, comprises the following steps:
[0040] S1. Source and screening of broodstock:
[0041] The broodfish of puffer pufferii were captured in natural sea areas and obtained through artificial domestication. The puffer pufferfish over 3 years old, with a weight of 1.0-1.5kg, normal body shape, no injury, no disease, and good vitality were selected as parents.
[0042] S2. Intensive breeding of broodstock:
[0043] Breeding density: The volume of the indoor broodstock breeding pond is 6.0m×6.0m×1.5m, with 2 diagonal water inlets and 1 outlet, the breeding density is 80 fish / pond, and the ratio of male to female is 1:0.5;
[0044] Water quality management: Regularly detect temperature, salinity, dissolved oxygen, pH value, oxygenation power, ammonia nitrogen, and nitroso nitrogen every day, and keep the water quality indicators of the cultivation water in line with the requirements of the cultivation conditions. According t...
Embodiment 2
[0065] A kind of artificial breeding method of pufferfish, comprises the following steps:
[0066] S1. Source and screening of broodstock: Broodstock are purchased from fishermen in subtropical waters, and individuals who are healthy, disease-free and trauma-free are screened.
[0067] S2. Intensive breeding of broodstock:
[0068] Breeding density: The volume of the indoor broodstock breeding pond is 6.0m×6.0m×1.5m, with 2 diagonal water inlets and 1 outlet, the breeding density is 100 fish / pond, and the ratio of male to female is 1:1;
[0069] Water quality management: Regularly detect temperature, salinity, dissolved oxygen, pH value, oxygenation power, ammonia nitrogen, and nitroso nitrogen every day, and keep the water quality indicators of the cultivation water in line with the requirements of the cultivation conditions. According to the change of water quality, change every 3 to 5 days For one water change, the amount of water change is 50%, and the transparency of the...
Embodiment 3
[0090] A kind of artificial breeding method of pufferfish, comprises the following steps:
[0091] S1. Source and screening of broodstock: Broodstock are purchased from fishermen in subtropical waters, and individuals who are healthy, disease-free and trauma-free are screened.
[0092] S2. Intensive breeding of broodstock:
[0093] Breeding density: The volume of the indoor broodstock breeding pond is 6.0m×6.0m×1.5m, with 2 diagonal water inlets and 1 outlet, the breeding density is 80-100 fish / pond, and the ratio of male to female is 1:0.8;
[0094] Water quality management: Regularly detect temperature, salinity, dissolved oxygen, pH value, oxygenation power, ammonia nitrogen, and nitroso nitrogen every day, and keep the water quality indicators of the cultivation water in line with the requirements of the cultivation conditions. According to the change of water quality, change every 3 to 5 days For one water change, the amount of water change is 40%, and the transparency o...
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