123441b0_guage__How_to_Speak_Vegetarian__Examples
Quotation marks when emotions and thoughts of NHAs are discussed (implies that NHAs don�t have thoughts and emotions) No quotation marks when emotions and thoughts of NHAs are discussed (acknowledges that NHAs have thoughts and emotions) [Examples] 
The pigs were �scared� and �thinking of� a way to escape. The pigs were scared and were thinking of a way to escape.
World Vegetarian Congress, 2004 - Animal-Friendly Language: How to Speak Vegetarian
Examples