Do you know the number for ? <a href=" http://www.potawatomiheritage.org/tv-ads-for-prescription-drugs.pdf ">animal testing prescription drugs</a> Redomiciling to Ireland could save $150 million, reckons Perrigo. Capitalized at 10 times, that represents almost $3 per Elan share. The Irish company&#8217;s shareholders and board can certainly be thankful for that.