A fish tank for fecal sample collection

Abstract

The invention relates to the field of fishery detection equipment, in particular to a fish tank for acquiring feces samples. The fish tank comprises a fish tank body. The fish tank body comprises a left portion and a right portion which cling to each other; a partition mechanism is arranged in the fish tank body, internal spaces of the left portion and the right portion can be partitioned at a joint of the left portion and the right portion by the partition mechanism, the partition mechanism is divided into a right partition portion and a left partition portion, the right partition portion approaches the joint of the left portion and the right portion, and spaces between the left portion and the right portion are closed by the left partition portion. The fish tank has the advantages that the fish tank is reasonable in design and simple in structure, fish and fish feces can be slowly separated from each other by two moving partition plates, the fish feces can be concentrated in the right portion of the fish tank, the fish does not need to be separated from aquaculture environments, movement procedures are mild, irritation on the fish can be prevented, influence on the fish due to vibration generated by movement of equipment can be assuredly minimized, and the fish feces is easy to gather and can be timely gathered as needed; the fish feces is arranged in small spaces by means ofseparation, and accordingly fish feces collection work can be facilitated.

Description

technical field [0001] The invention relates to the field of fishery testing equipment, in particular to a fish tank for collecting feces samples. Background technique [0002] At present, it has become one of the key tasks of enterprises and scientific research institutes to detect the digestion and absorption of feed nutrients by animals through the method of total feces collection, so as to further understand the digestibility of animals and guide the precise allocation of animal feed formulations. Due to the particularity of aquatic animals, it is difficult to collect feces. At present, there are three common methods, hindgut extrusion method, siphon method and feces accumulation device method. Among them, the hindgut extrusion method can avoid the loss of nutrients in the water, but frequent catching of experimental fish will cause stress reactions to the fish, and the feces collected cannot fully represent the feces excreted under natural conditions; Collect the excre...

AI Technical Summary

Problems solved by technology

Among them, the hindgut extrusion method can avoid the loss of nutrients in the water, but frequent catching of experimental fish will cause stress reactions to the fish, and the feces collected cannot fully represent the feces excreted under natural conditions; Collect the excrement excreted by the experimental fish, reduce the dissolution and loss of nutrients in the water, and make the measured digestibility value closer to the real value, but this method is the most time-consuming and labor-intensive; the excrement device method can suck out the feces in time to prevent Nutrients are dissolved and lost, and the digestibility is more realistically evaluated, but in general, the operation is cumbersome, or it may cause harm to experimental animals

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