Roxarsone

Article summary

Roxarsone is an organoarsenic compound that has been used in poultry production and to a lesser extent in pig production as a feed additive to increase weight gain, for greater feed efficiency, to improve pigmentation, and as a coccidiostat. Until June 2011, it was approved for use in the United States, Canada, Australia, and 12 other countries. It is no longer approved for use in most jurisdictions. Roxarsone has been banned in the European Union since 1999. Its use in the United States was voluntarily ended by the manufacturers in June 2011, and it has been illegal since 2013. Its use was suspended in Malaysia in June 2011. It was banned in Canada in August 2011. In Australia, its use was discontinued in 2012.

Key claims

1. date of establishment: 1963 — source: Wikipedia · confidence 0.95

Discussion questions

1. Summarise the article in your own words. Which single claim would you verify first, and why?
2. The record states that the date of establishment is "1963". What evidence would count against this claim?
3. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
4. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

Bibliography

1. Wikipedia https://en.wikipedia.org/w/index.php?oldid=1329690474