
Given the following passage

"Some dog breeds have acquired traits through selective breeding that interfere with reproduction. Male French Bulldogs, for instance, are incapable of mounting the female. For many dogs of this breed, the female must be artificially inseminated in order to reproduce.",

answer the following question. Note that the answer is present within the text.

Question: What is difficult for a breed because of its size in this situation? 

mounting the female
