Is there some error in this sentence?

Hi CAMANISHPARMAR,

Yes, from a GMAT perspective, the relative clause with "which" is a problem. GMAT always wants "which" to refer to the noun immediately before the comma. (Note that this is not absolutely required in English in the rest of your life.)
But here, it makes no sense to think that "pig populations" could do great damage to China's vast pork industry.

Do you know how GMAT would usually fix this problem?
(STOP: See if you can think of your own answer before you read my note below.)


Very often, GMAT will solve this by switching the final clause to -ing. Remember, GMAT loves -ing clauses at the end of a sentence for describing the consequence or significance of the main clause. (We can also use it to describe the "how" of the main clause.)

So I would expect a fix like "doing great damage to China's vast pork industry" or even "seriously damaging China's vast pork industry."
What's even better about my second option? The switch from "doing great damage" to "seriously damaging" saves a word, but it does it by letting the action live in the verb, rather than in the noun. GMAT loves to let the verb be the hero of the phrase - this usually creates a shorter, more action-oriented sentence.

Was this what you were thinking about, CAMANISHPARMAR?

Best, Jennifer