What does the term "cow hocks" disqualify a rabbit from?

The term "cow hocks" refers to a condition in rabbits where the hocks, which are the joints located on the hind legs, are angled inward, resembling the way a cow's hocks appear. This structural anomaly is considered a significant fault in conformation standards for various rabbit breeds. As such, it affects the overall appearance and functionality of the rabbit in a show setting, which is why it disqualifies a rabbit from competition.

In a competitive context, proper alignment and posture are crucial for the rabbit's assessment by judges. "Cow hocks" not only detracts from the rabbit's aesthetic appeal but can also impact its movement and agility, essential attributes in competitions. Therefore, due to the implications of this defect on a rabbit's appearance and performance, it directly leads to disqualification from competition, making this the correct answer.