Concept:
"Cattle rustling" is a term used in rural and agricultural contexts.
Step 1:Understand the term.
Cattle rustling refers to the stealing of livestock, especially cattle.
Step 2:Evaluate options.}
Infertile cattle $\rightarrow$ Not related
Poaching $\rightarrow$ Illegal hunting of wild animals
Theft of cattle $\rightarrow$ Correct meaning
Stray cattle $\rightarrow$ Unowned or wandering cattle