1. USDA Foreign Agriculture Service Global Agricultural Information Network GAIN Report Number BR 0811 2012
2. http://thebrazilbusiness.com/the-brazilian-pet-market 2015
3. http://www.datamark.com.br/noticias/2014/8/exportacao-de-alimentos-para-caes-e 2015
4. 2014 http://sindiracoes.org.br/produtos-e-servicos/boletim-informativo-do-setor/