It's hard to know how many animals are on these drugs, but I can tell you that the animal pharmaceutical industry is immense and growing, from seven billion dollars in 2011 to a projected 9.25 billion by the year 2015.
Teško je znati koliko je životinja  na ovim lijekovima, ali mogu vam reći da je  životinjska farmaceutska industrija ogromna i u porastu, od 7 milijardi dolara u 2011. g. do projiciranih 9.25 milijardi do kraja 2015. godine.