Feed hygiene standards for the prevention and control of mycotoxins

Mycotoxin contamination has always been a major concern for feed safety. When the feed is contaminated with mycotoxins, it can lead to decreased pig performance, immune function inhibition and reproductive dysfunction, and even death, causing direct economic losses on the farm.

Today, Xiaobian takes everyone to learn about the six major mycotoxins that affect feed safety.

First, the origin of mycotoxins

When it comes to mycotoxins, I first think of corn, and secondly, raw materials such as soybean meal, bran, wheat, and fish meal can produce mycotoxins under certain conditions.

Molds are multicellular microbes that are ubiquitous in soil and some decaying plants in the form of spores. Mold spores in the soil are transmitted to the plants via air, water and insects. Once the spores are exposed to the ruptured seeds, the spores germinate rapidly and the mold is clearly visible.

Second, the type of mold and the harm

Molds are broadly divided into two categories in a broad sense:

a field mold formed in the field;

The other is a storage mold formed during storage. The most suitable temperature for most molds is 25-30 Â° C, but the virulence is weakened below 0 Â° C or above 30 Â° C, and the relative humidity above 65% can grow and multiply.

Pigs are very sensitive to all kinds of molds.

1. Aflatoxin toxin

It mainly invades the liver of animals and causes liver damage. The liver is the largest immune organ in the animal's body. After being damaged, it directly causes the animal's body to have low immunity and poor disease resistance. The vaccine does not produce antibodies. Therefore, some experts also refer to mycotoxins as immunosuppressive diseases. The liver is also an organ for hematopoietic storage. After being damaged, anemia, jaundice, bleeding of pores, rough hair and weight loss will occur.

2. Zearalenone

Mainly disturb the normal secretion of hormones in the body, typical sow wigs; female boars.

Fattening pigs have swelling of the water gate and rectal dislocation;

Pregnant sows have miscarriage and stillbirth;

Piglets born to lactating sows have poor uniformity, small individual, deformed fetuses (such as "eight-legged legs"), decreased milk production, poor milk, and poor disease resistance of piglets (such as easy diarrhea);

3, T2 vomiting toxin

Mainly invading the digestive tract, typical vomiting, decreased feed intake or even no food.

4, ochratoxin

Mainly caused by kidney damage, the kidney is the body's metabolic organs, damaged, causing metabolic disorders, induced constipation or diarrhea.

5. Aspergillus fumigatus

Mainly invade the lungs, causing the occurrence of respiratory tracts (such as coughing and gasping).

6, ergometrine

Mainly invade the nervous system, develop neurological symptoms (such as walking and swaying), some have hind limb paralysis, and some have dry ears and dry tails.

Third, the feed hygiene standard of mycotoxins

Feed Hygiene Standard - Rapid Quantitative Detection of Mycotoxin in Shanghai

Fourth, the prevention and control measures of mycotoxins

1, strictly control the feed off

Avoid using feed or raw materials that are obviously moldy, deteriorated, or too hydrated.

2, timely detection of mycotoxins in feed

Shanghai Feishen Bio is based on the world's leading fluorescence quantitative POCT technology platform. It is the first in China to introduce the microscopic (true) toxin fluorescence quantitative test strip. This product can quickly detect the mycelium in the feed in 8 minutes. The residual content, the sample pretreatment is simple (only 8min), the detection operation is simple, the fluorescence immunoassay analyzer readings, the results are accurate and reliable, and can be printed on site, the accuracy is in line with the HPLC method, suitable for all kinds of feed processing enterprises Third-party testing agencies and government regulatory agencies.

Mycotoxin rapid test box

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