Rats Slaughtered Suffering Tagged 
Animal Person
FEBRUARY 19, 2010
Before you answer, here are some details to inform your decision: The first "knockout animals" were laboratory rats, whose anterior cingulate cortex have been damaged/blocked so that though they might still feel pain, they do not find it unpleasant. Like when they're about to be, say, slaughtered? This is where I'm confused.
Animal Person
JUNE 8, 2009
Engber mentions that in 1972, the USDA put into place "a special exemption for rats, mice, and birds, allowing scientists to treat them however they saw fit—in cages of any size, in experiments with any degree of pain and suffering. Scientists mapped out the entire mouse genome in 2002 and the rat genome in 2004.) And for what?
Expert insights. Personalized for you.
100 
Let's personalize your content