Organic arsenic feed should be banned

Introduction: it's widely said on the Internet that "the dead pigs floating in the Huangpu River are fed with feed containing organic arsenic additives" Many people have heard of an unfamiliar thing - organic arsenic Is organic arsenic toxic? What are the specific hazards? There are various versions of interpretation on the Internet 3A8 relevant experts said in an interview with the science and Technology Daily that the legal use of organic arsenic feed additives does not directly harm animals, nor does it matter if people eat animals raised with organic arsenic additives However, organic arsenic will enter the environment through excreta, degrade into inorganic arsenic, and directly harm the surrounding soil and groundwater 3A8 serious pollution of soil and groundwater after organic arsenic metabolism According to the introduction, arsenic preparations can be divided into two categories: one is inorganic arsenic, which can accumulate in the body and lead to poisoning if the animal is ingested for a long time; the other is organic arsenic used in animal feed, which can inhibit pathogenic microorganisms to promote growth and improve animal appearance and animal product color as feed additives People often hear that arsenic is inorganic arsenic (arsenic trioxide), while organic arsenic is used as feed additive for pigs They are not the same 3A8 in fact, the US FDA first allowed organoarsenic preparation to be used in chicken feed in 1964 In 1983, it was officially approved as a growth promoting agent for pigs and chickens Since the 1980s, China began to research and introduce organic arsenic compounds as antimicrobial growth promoting feed additives in animal production, at that time, only a small amount of them were imported and tested for production In 1993, the Ministry of agriculture officially approved the production of Arsanilic Acid and roxarsone 3A8 Zhu Yi, an associate professor of the school of food science and nutrition engineering, China Agricultural University, thinks that "the floating dead pig in the Huangpu River is due to the feed containing organic arsenic additive" She told reporters that the organic arsenic feed additive, as a growth promoting agent, has a low absorption rate in pigs 80% - 90% of the organic arsenic feed additive is rapidly excreted through feces and urine in its original form It is not toxic to pigs and people who eat pork are harmless However, it should be noted that organic arsenic in pig manure can be converted into inorganic arsenic, which can pollute the environment, and then enter the food chain to harm human health 3A8 the high-speed discharge speed makes the arsenic ingested by poultry or pigs finally appear in the feces and urine, while the livestock manure is more used as fertilizer to return to the field, and a large number of arsenic containing livestock manure will cause environmental pollution There is evidence that roxarsone will undergo more degradation process after entering the soil, and it can be transformed from organic arsenic to inorganic arsenic with increased toxicity The environmental pollution of arsenic preparation has gradually become the focus of research on arsenic preparation 3A8 as early as March 2007, daily science of the United States published a report titled "research finds that organic arsenic additives may also be toxic" According to the report, a researcher at diyukon University in the United States found that when the additive combined with bacteria in chicken manure, the organic arsenic in the additive would be transformed into inorganic arsenic with great toxicity But farmers don't know the risks They usually use chicken manure to fertilize, so that inorganic arsenic can seep into the underground water through various channels and be exposed to human beings 3A8 this problem is very serious in China, a large number of research literature shows that the research and suggestions on this problem have lasted for many years, and relevant academic papers have been published since 2000 In the second issue of Anhui Agricultural Science in 2013, a paper entitled "study on the pollution of organic arsenic in the aquaculture industry to the soil" was published, emphasizing that "the emission of organic arsenic in the manure of the aquaculture industry is increasing substantially" 3A8 "the arsenic content of plants planted on the polluted land also exceeds the standard." Zhu Yi told reporters In an interview with our reporter, the head of a science and technology company that produces new feed in Chongqing also said that organic arsenic compounds will gradually degrade into inorganic arsenic in the environment and accumulate in the soil He believes that after the "dead pig incident", public understanding will give more opportunities to the new feed he manages 3A8 overuse does exist As early as 2000, Yuan Hui of Hunan Agricultural University published a report on arsenic pollution and analysis in the compound feed of livestock and poultry as the first author In this academic paper, Yuan Hui and his colleagues used the national standard test method to determine the total arsenic content in the compound feed of 20 pigs and chickens in six areas of Hunan Province The results showed that 85% of the samples contained arsenic Exceeding the content allowed by the state 3A8 because arsenic preparation can promote growth and improve hair color, most feed factories ignore the national regulations and arbitrarily increase the dosage According to the data provided by the researchers in 2010, nearly 80% of the feed factories have added aminobenzene arsenate and roxarsone in varying degrees, and nearly 30% of the feed factories have exceeded the maximum amount allowed by the state after conversion according to the proportion of addition 3A8 Yuan Feng (pseudonym) is a pig farmer in Yueyang City, Hunan Province His breeding scale is not large, only a few dozen, which is considered as a retail farmer In an interview with reporters, he said that the feed must be added In the process of promotion, feed salesmen will also emphasize that pigs grow faster and sell better after eating the feed As for what is added in the feed, he and the surrounding farmers are not clear about it "Organic arsenic" is also the first time they heard about it 3A8 Zhu Yi also told reporters: "there is excessive organic arsenic in the feed, but in many cases, it is the marketing routine of feed producers The breeders don't really understand it Now it's unfair for everyone to scold the breeders on the Internet And now the pollution-free, green pig farms do not use this thing A staff member of 3A8 National Feed Industry Standardization Technical Committee also confessed to the reporter: "this is also a problem that is very bothering us at present There are tens of thousands of feed factories in China, and the use of arsenic is very chaotic " 3A8 experts called for a ban on 3A8 "I am advocating it." Zhu Yi said very directly that she has been promoting science popularization of this issue in her microblog recently She said that the European Union has long banned the use of arsenic containing food additives; the United States allowed, but its largest poultry producer, Tyson, announced in 2004 that it would not use them, and McDonald's also required suppliers not to use organic arsenic feed additives The most commonly used organic arsenic preparation, roxarsone, has been listed as a prohibited product by the Ministry of agriculture in China Although there is no relationship between organic arsenic feed additive and pig death, it is closely related to environmental arsenic pollution 3A8 her appeal is reflected in the papers of industry experts In the ninth issue of China animal health in 2007, we should make up our mind to forbid Organic Arsenic Preparation in feed as soon as possible "In order to improve the competitiveness of China's animal products in the domestic and foreign markets, and to protect the ecological environment on which we depend for survival, it is suggested that China should follow the EU and other countries as soon as possible to prohibit the use of arsenic preparation as feed additive." In 2010, the analysis of the effect and harm of arsenic preparation as a growth promoting agent for livestock and poultry published in the 22nd Journal of China poultry also pointed out: "further strengthen law enforcement and gradually prohibit the use of arsenic preparation as an animal growth promoting agent." 3A8 "to tell you the truth, what's the point of selling pig skin with red hair?" Zhu Yi told reporters that he hoped that science and technology workers could develop substitutes as soon as possible, so as to accelerate the elimination of organic arsenic as a feed additive 3A8 related topic: say your opinion: should organic arsenic feed be banned? 3a8 　　 http://bbs.feedtrade.com.cn/forum.php?mod=viewthread&tid=173316&fromuid=196560 3a8