Environment-friendly holothurian compound feed

Abstract

The invention relates to an environment-friendly holothurian compound feed which is holothurian basal feed comprising algae powder, fish meal, bean pulp, sea mud, corn flour, shell powder, multi-vitamin and mineral substance, and is characterized in that the holothurian basal feed is added with 0.1% of phytase and cellulose as enzymic preparations; the holothurian basal feed is added with 0.1% of photosynthetic bacteria, ammonifying bacteria, nitrifying bacteria, denitrifying bacteria and nitrite bacteria as microbial preparations; and the holothurian basal feed is added with 2% of sodium alginate and 3% of cassava alpha- starch as auxiliary agents. Compared with the existing commodity holothurian feed, the stability of the environment-friendly holothurian compound feed in water is remarkably improved, the loss rate of nutrient components is remarkably reduced, influence for the water quality of the aquaculture is low, and the turbidity, the ammonia nitrogen content and the chemical oxygen demand (COD) value of the water are obviously reduced after baiting. Meanwhile, the preparation method and technique of the feed are simple, the cost is lower, large-scale production is easily carried out, and the environment-friendly holothurian compound feed has good popularization and application prospects in the holothurian production.

Description

technical field [0001] The invention belongs to the field of feed additives for aquaculture, and in particular relates to an environment-friendly sea cucumber compound feed. Background technique [0002] my country's aquaculture industry has now become an important pillar industry in agriculture, especially sea cucumber farming, which is gradually becoming a pillar industry of aquaculture in Northeast China. However, at present, the research on nutritional requirements and feed technology in sea cucumber farming in my country and even in the world is seriously lagging behind, and the common sea cucumber feeds in the market are mostly in the form of powder and coarse granules. Splashing the former in the water will easily lead to turbidity of the water body and deterioration of water quality indicators, and serious nutrient loss and feed utilization rate are extremely low; although the latter has a slightly less impact on water quality, it is unevenly distributed in the water...

AI Technical Summary

Problems solved by technology

However, at present, the research on nutritional requirements and feed technology in sea cucumber farming in my country and even in the world is seriously lagging behind, and the common sea cucumber feed forms in the market are mostly powdery and coarse granular

Splashing the former in the water will easily lead to turbidity of the water body and deterioration of water quality indicators, and serious nutrient loss and feed utilization rate are extremely low; although the latter has a slightly less impact on water quality, it is unevenly distributed in the water body. According to the feeding characteristics of sea cucumbers, This kind of feed is not easy to be ingested by sea cucumbers, the feeding efficiency of sea cucumbers is low, and the feed is easy to accumulate at the bottom of the water. If it is not cleaned for a long time, it will also pollute the water quality.

[0003] At the same time, due to the short digestive tract and lack of digestive enzymes of sea cucumber aquaculture species, the conventional feed cannot be fully digested and absorbed in the body after being eaten, resulting in more than 60% of protein decomposition products being discharged into the water in the form of waste nitrogen. About 53% of phosphorus in minerals is discharged into water in the form of waste phosphorus