Energy-saving and emission-reducing abalone fry culture method
An energy saving and emission reduction, abalone technology is applied to enhance immunity, can solve problems such as environmental pollution and large energy consumption, and achieve the effects of improving the physique of abalone seedlings, having good safety and enhancing immunity.
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Embodiment 1
[0037] Preparation of mixed bacterial liquid of Bdellovibrio
[0038]Preparation of Bdellovibrio swimmers: Centrifuge the supernatant containing Bdellovibrio swimmers at 16000rpm for 20min in the preparation method of Bdellovibrio Bdellovibrio swimmers, then add DNB liquid culture medium (Nutrition broth 0.8g, casein acid hydrolyzate 0.5g, yeast extract 0.1g, dissolved in 1000mL distilled water, pH value is 7.2~7.6) suspend Bdellovibrio swimming body, get 10-10 9 Bdellovibrio swimmer concentrate in pfu / mL.
[0039] Preparation of Bdellovibrio Bdellovrio sp.: The Bdellovibrio sp. (Bdellovibrio sp.) BDFM05 can form transparent circular phage plaques with a diameter of 2 to 3 mm when cultured at 28° C. for three days with a double-layer plate method. The Bdellovibrio sp. The mixed bacterial solution is fermented in the following way: Inoculate 0.5mL10 in an Erlenmeyer flask equipped with 100mL nutrient broth (peptone 10g, beef extract powder 3g, sodium chloride 5g, pH 7.4±0.2) ...
Embodiment 2
[0042] 1. Application of Bdellovibrio mixed bacterial solution in seedling cultivation
[0043] The present invention can be divided into two stages altogether. The first stage is algae cultivation. In the nursery pond, sand-filtered and sediment-treated seawater is injected and aerated. The attachment base is polyethylene corrugated board. The light is controlled at 2000-5000lux, the water temperature is controlled at 15-28°C, and the time for algae cultivation For 40 days, this stage does not add the Bdellovibrio mixed bacterial solution; the second stage is seedling cultivation, the content of the present invention is mainly launched at this stage, and after cultivating algae for 40 days, start to cloth abalone fertilized eggs in the seedling pond, and the seedling time is For 40 days, at this stage, the experimental group added Bdellovibrio mixed bacterial solution immediately after each water change. The Bdellovibrio mixed bacterial solution obtained in Example 1 was use...
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