If a woman wants to marry her German Shepard, that is HER BUSINESS.
If a man wants to mary his prize chicken, that is his business.
CONSENTING adults can have sex with in the comfort of their own home and the GOVERNMENT has no business in their bedroom.
The slippery slope is being GREASED and the SLOPE's angle is INCREASING!!!
It is our wits that make us men, not what we do with our weenies...
You seem excited by slippery grease and increased angles...
As you say the caveat is consenting adults, how can a chicken give consent?