article_snippet: For example, US farmers are allowed to pump up beef cattle, which are raised on vast factory farm feed lots rather than in fields, with growth hormones.
article_snippet: Similarly, US farmers are allowed to boost milk production with hormone injections.
article_snippet: Beef: Most US beef cattle are fed with synthetic growth hormones to pump Most US beef cattle up, boosting muscle.
article_snippet: Dairy: Cows in the US are routinely given the synthetic hormone bovine somatotrophin, which dramatically boost milk production.
article_snippet: There are raised levels of the hormone in the resulting milk.
article_snippet: Farmers in the US are allowed to feed antibiotics to chicken to speed up growth.
highlights_snippet: Laws allow Laws to pump animals with growth hormones .
  