The most common and most likely answer to this crossword clue is the 10 letter word HYPHENATES
I've seen this crossword clue in The Guardian
H
Y
P
H
E
N
A
T
E
S
Buddy explains!
The straight part
We know that "Turns section of poultry farm into co-op?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case turns section of poultry farm into co-op? = hyphenates.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does HYPHENATES mean?
HYPHENATES noun- A person with multiple duties or abilities, such as "writer-director", "actor-model", or "singer-songwriter".
- A person whose ethnicity is a multi-word hyphenated term, such as "African-American".
- To break a word at the end of a line according to the hyphenation rules by adding a hyphen on the end of the line.
- To join words or syllables with a hyphen.