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Why is fish meal the best feed material for the aquaculture industry?

Fish meal is a high-protein feed material that uses one or more kinds of fish as raw materials and is processed by deoiling, dehydrating, and crushing.

plant for manufacturing animal feed

1. Why is fish meal the best feed material for the aquaculture industry?

(1) Raising poultry and chickens for barbecue

①Eating fish meal can speed up growth and accelerate the absorption of nutrients, thereby reducing feeding costs.

②Enhance immunity, reduce disease, and avoid taking anti-disease drugs.

③It is not necessary to supplement the nutritional items used routinely, and the effect is good.

④It can make the nervous system and body bone develop well.

⑤It can prevent and avoid inflammation, decay, cellulitis and other symptoms and reduce economic losses.

⑥ It absorbs the low-level fatty acids Omega 3 of DHA and EPA from the nutrient, which helps fat turn into meat, which is more effective than others. The relationship between Omega 3, Omega 6, and DHA and EPA does not affect meat quality Under the circumstances, the meat will have better fatty acids.

(2) Raising laying hens

①High output.

②Strong epidemic prevention ability.

③Enhance the reproductive ability of male and female chickens.

④Fatty acids, Omega 3DHA and EPA accumulate in the chicken body to make the eggs more nutritious, thereby helping to improve the nutrition for humans.

(3) Raising pigs

①It can speed up the growth rate and has a significant effect on newly weaned piglets.

②Improve the variables of feed.

③Compared with other feeds that do not contain milk, piglets that eat fish meal have fewer allergic reactions.

④Especially when eating pigs that have not been supplemented with drugs, it can greatly enhance epidemic prevention and resistance.

⑤ It can enhance the reproductive ability and breed more young pigs.

⑥DHA and EPA accumulated in meat help increase the fat composition in meat.

(4) Raising ruminants

Compared with other raw materials, the nutrients absorbed by ruminant fish meal are as follows: the changes are small when it enters the first part of the stomach. The high-quality protein in the first part of the stomach not only prevents its decomposition but also provides limited Amino acids help their normal digestion, thereby balancing the amino acids absorbed in the intestines, improving the digestion of fiber materials, and helping to increase production. 

The long-chain omega fatty acids of fishmeal are hydrogenated in the first part of the stomach of ruminants, which helps to absorb fatty acids, and also helps to enhance the reproductive function, and the development and enhancement of embryos and young animals Its resistance.

(5) Raising dairy cows

①It will increase milk production by 1 to 2 liters per day.

②Increase the content of milk protein by 0.1-0.2% per unit.

③Reducing the fat content in milk (above 1 liter) helps human health.

④Improve reproductive ability, and the possibility of conception increases to 10%-15%.

(6) Raising beef cattle

It can speed up growth and shorten the feeding period.

price of cattle feed plant costing plant capacity of 1500ton per day

2. Points to note when using fish meal

(1) The problem of adulteration

Due to the high price of fish meal, the phenomenon of adulteration of fish meal in the current market is serious. There are many types of residues, including blood meal, feather meal, leather meal, urea, ammonium sulfate, rapeseed cake, cottonseed cake, calcium powder Etc., most of them are cheap and low digestion and utilization rate feeds. Therefore, it should be distinguished through sensory, microscopic examination and analytical testing when purchasing.

(2) Salt content

The salt content in fishmeal should not be too high, and the allowable values ​​are different. Japan sets a minimum of 3% for exported fishmeal, and the United States sets a minimum of 3% and 7%. The salt of fish meal produced in our country is too high, and some even reach 30%. This kind of fish meal cannot be used as feed. Too high salt in the diet can cause salt poisoning, and chickens are the most sensitive.

(3) Moldy and oxidative rancidity problems 

Fish meal is a highly nutritious feed. During storage, under high temperature and humidity conditions, it is prone to mold, spoilage, and even spontaneous combustion, which reduces the quality of the compound feed and affects the growth and development of animals; the fat content is too high Fish meal, the unsaturated fatty acid contained in improper storage is very easy to oxidize to produce aldehydes, acids, ketones and other substances, deterioration and smelly, palatability and quality significantly reduced. Therefore, the fish meal should be isolated from the air during storage and stored in a dry and dark place. If antioxidant is added, the effect is better.

(4) Addition amount

The amount of fishmeal added in the diets of young livestock and poultry should be less than 10%, and that of adult livestock and poultry should be less than 5%. It is not necessary to add fishmeal in the post-finishing pig diet to reduce costs. Fish meal is a good source of protein and essential amino acids for pigs. It can promote growth and improve feed utilization, especially in suckling pigs and piglets. The amount of fishmeal in the growing and fattening pig should be appropriately controlled. Too high a dosage of fishmeal will make the carcass soft and smelly. The recommended amount of fishmeal added to pig feed is 3% to 5%. It is not recommended to add fish meal to pig fattening diets.

(5) Fish meal in poultry feed

①Dosage: The amount of fishmeal in various poultry feeds is controlled at 1% ~ 3%, which varies according to the target of the word. Pay attention to the cost.

②Quality: pay attention to whether the fish meal is adulterated, whether the sensory properties are normal, the degreasing effect and the level of protein content. The sodium chloride in the fishmeal carrying food should be regarded as added salt.

③Pay attention to the deterioration of fishmeal: Salmonella is easy to breed, and feeding broilers with deteriorated fishmeal is likely to cause muscular and stomach erosion. After the fish meal deteriorates, the histamine produced is extremely toxic, and it is easy to poison the animal to death.

Fishmeal is a high-protein feedstock produced from one or more fish that has been degreased, dehydrated, and pulverized. The world's fishmeal producers are mainly Peru, EU-27, Viet Nam, China, Chile, Thailand, United States, Norway and Japan, etc.

Rank Country Production (1000 MT)
1 Peru 950.00
2 EU-27 500.00
3 Viet Nam 470.00
4 China 450.00
5 Chile 360.00
6 Thailand 300.00
7 United States 254.00
8 Norway 220.00
9 Japan 185.00
  • China

China is the country with the largest demand for fishmeal. China produces about 700,000 tons of fishmeal per year, but it is still imported in large quantities due to the large demand. (Feed mill project: 40 ton/h Fish Feed Plant Design )

  • Japan

Japan's aquaculture industry is booming, producing about 24 million tons of feed per year. The annual demand for fishmeal is on average between 500,000 and 600,000 tons. The use of fishmeal is mainly in the aquaculture industry. Besides, there is also a large proportion used in fertilizer production. Japanese fishmeal is mainly imported, and the main import areas are concentrated in the south.

  • United States

Synthetic proteins are widely used in the United States, so it has little dependence on fishmeal. In recent years, fishmeal has been exported and used as pet food processing. 

  • Chile

Chile is a major producer and exporter of fishmeal. In order to balance the domestic fishmeal price, a small amount of fishmeal has been imported from various countries since 1997. The general feed factory accounts for 20%, while 10% is self-mixed on the livestock farm.

  • Norway

The application of fishmeal in Norway is mainly in fish farming, especially for salmon and trout farming.

  • Germany

The fishmeal demand in Germany has been stable, with an annual production of about 150,000 tons. Fishmeal is mainly used in feed for weaned pigs.

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