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Method for cultivating aeolosoma hemprichi on large scale

A kind of erythema, a large number of technologies, applied in the direction of animal husbandry, etc., can solve the problems of unsuitable predation, long bacterial culture cycle, easy flocculation, etc., and achieve the effect of simple and feasible production process, not easy to deteriorate, and easy to store

Inactive Publication Date: 2012-06-20
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the bacterial solution needs to be freshly prepared, which is inconvenient to use, and the bacterial culture cycle is long, and it is also easy to flocculate during the culture, which is not suitable for predation, which limits its popularization and application.

Method used

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  • Method for cultivating aeolosoma hemprichi on large scale
  • Method for cultivating aeolosoma hemprichi on large scale
  • Method for cultivating aeolosoma hemprichi on large scale

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The cultivation process and steps of C. erythematosus in the present embodiment are as follows:

[0019] (1) Weigh 4.0 grams of rice, add it to 200 ml of distilled water, put the mixture of rice and distilled water into a water bath at 55°C, soak in the water bath for 1 hour, discard the rice precipitated at the bottom, and ultrasonically crush the leaching solution. The power of the cell pulverizer is 600W for 40 minutes, and the crushed solution is settled for 40 minutes, and then the sediment at the bottom is discarded to remove large-sized particles and ensure that the particle size is uniform; after another 24 hours of sedimentation, take the supernatant; The pH value of the above supernatant was adjusted to 6.2; finally, the prepared bait solution was sterilized and stored in the refrigerator for later use.

[0020] (2) Add the abiotic bait solution prepared above into 5 sterile petri dishes prepared in advance, and add 40 μL of the bait solution to each millilit...

Embodiment 2

[0023] The cultivation process and steps of C. erythematosus in the present embodiment are as follows:

[0024] (1) Weigh 6.0 grams of rice, add it to 200 ml of distilled water, put the mixture of rice and distilled water into a water bath at 65°C, soak in the water bath for 2 hours, discard the rice precipitated at the bottom, and ultrasonically crush the leaching solution, then The solution was ultrasonically crushed, and the power of the ultrasonic cell pulverizer was 800W for 20 minutes. After the crushed solution was settled for 40 minutes, the sediment at the bottom was discarded to remove large-size particles and ensure uniform particle size; settle again for 24 Take the supernatant after 1 hour; adjust the pH value of the supernatant to 6.8; finally sterilize the prepared bait solution and store it in the refrigerator for later use.

[0025] (2) Add the abiotic bait solution prepared above into 5 sterile culture dishes prepared in advance, and add 100 μL of the bait s...

Embodiment 3

[0028] The cultivation process and steps of C. erythematosus in the present embodiment are as follows:

[0029] (1) Weigh 5.0 grams of rice, add it to 200 ml of distilled water, put the mixture of rice and distilled water into a water bath at 60°C, soak in the water bath for 1.5 hours, discard the rice precipitated at the bottom, and ultrasonically crush the leaching solution. The power of the cell pulverizer is 800W for 20 minutes, and the crushed solution is settled for 40 minutes, and then the sediment at the bottom is discarded to remove large-sized particles and ensure that the particle size is uniform; after another 24 hours of sedimentation, take the supernatant; The pH value of the above supernatant was adjusted to 6.4; finally the prepared bait solution was sterilized and stored in the refrigerator for later use.

[0030] (2) Add the non-biological bait solution prepared above into 5 sterile culture dishes prepared in advance, and add 80 μL of the bait solution to ea...

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Abstract

The invention relates to a method for cultivating aeolosoma hemprichi on a large scale and belongs to the technical field of water pollution control. The method particularly comprises the following steps of: adding rice into distilled water, wherein the weight volume ratio of the rice to the distilled water is 2 to 3 grams per 100 milliliters; placing the mixed liquid of the rice and the distilled water into a water bath kettle at the temperature of between 55 and 65 DEG C; soaking the rice in the water bath for 1 to 2 hours; removing the rice settled at the bottom; ultrasonically crushing the left rice; standing for 24 hours; collecting the supernate; adjusting the pH value of the supernate to be 6 to 7; adding bait solution into an aseptic culture dish according to a ratio of 40 to 100 uL per milliliter of distilled water; and placing the fish into an illumination culture box at the constant temperature of 25 DEG C for cultivation, wherein the density of the aeolosoma hemprichi in the culture dish can reach 150 to 250 ind / mL after cultivation lasts for 9 days. According to the method, the bait sources are widely available; the manufacturing process is simple and practical; the method is convenient to use; and a good culture effect is achieved.

Description

technical field [0001] The invention belongs to the technical field of water pollution control, and in particular relates to a method for cultivating a large number of P. erythematosus. Background technique [0002] The activated sludge method has a history of nearly 90 years since the pilot plant was built and applied in Manchester, England in 1914. With the wide application in actual production and the continuous innovation and improvement of technology, especially in recent decades, on the basis of in-depth research on its biological reaction and purification mechanism, the activated sludge process has been widely used in biology, reaction kinetics, etc. Both the theoretical and technological aspects of the science have been greatly developed, and a variety of technological processes that can adapt to various processing requirements have emerged. At present, the activated sludge process has become the main technology of sewage, especially organic sewage treatment. But ...

Claims

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Application Information

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IPC IPC(8): A01K67/033
Inventor 董滨杨瑒戴翎翎吴星五戴晓虎
Owner TONGJI UNIV