The fish meal alternatives currently in use have their advantages and disadvantages, and these materials alone are not sufficient to meet the future demand for fish feed.
Moreover, fish catches in Peru, the world's largest producer of fish meal, are controlled for the purpose of conserving resources and stabilizing prices, and no increase in fish meal production can be expected.
Although BSFL are expected to become a new alternative to fish meal for these reasons, the technology for large-scale breeding of BSFL has not been established up to now.
For example, existing feed meal alternatives and insects need to be produced close to locations where food by-products are produced, while methane-based single-cell proteins should be produced in locations where low-cost shale gas can be procured.
It appears that the feed will still be cheaper than fish meal even if the price of natural gas rises to US$10/mmBTU, and developing the business in the US, where low-priced natural gas of around US$3/mmBTU is available, makes sound business sense.
While fish meal produced by drying and powdering fish such as anchovy has been used as feed for aquaculture, there is concern that the supply of fish meal is insufficient, and it is said that 1.2 to 1.6 million tons of raw materials for fish feed will be required in 2025 as an alternative to fish meal.
Although so far fish meal for sale is still an important fish meal animal feeding, but our feed workers have been studying to explore low fish meal animal feeding diets and no fish meal animal feeding diets, fermented soybean meal is the best alternative.
As described above, the cultivation of insects and methane-based single-cell proteins are promising new alternatives to fish meal, but at the scale of production that has been announced to date, they will still not be able to make up for the shortage of fish meal expected in 2025.
For this reason, countries undergoing significant population and economic growth, where the production of food by-products is expected to increase and where large quantities of fish and shellfish are produced, can be seen as regions well suited to the development of new raw materials for feed to replace fish meal.
In Europe, mad cow disease shocked many people, not only because it shattered beef's image as a safe and healthy food, but also because they learned that the disease was caused by feeding cattle the brains and nerve tissue of sheep. People who naively believed that cows ate grass discovered that beef cattle in feed lots may be fed anything from corn to fish meal, chicken litter(complete with chicken droppings), and slaughterhouse waste.
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