article_snippet: Up to three artists applied a tattoo simultaneously while each pig was under anaesthetic, and carers regularly moisturised around 20 pigs skin.
article_snippet: Careful work: Up to three artists applied a tattoo simultaneously while a pig in China was under anaesthetic, while carers moisturised the skin .
highlights_snippet: Up to three artists applied tattoo while each pig was under anaesthetic, and carers regularly moisturised skin .
  