Which factor is crucial for ensuring show animals are healthy during preparation?

Balanced nutrition and regular hydration are essential for maintaining the health and well-being of show animals during preparation. Providing a well-balanced diet ensures that the animal receives all the necessary nutrients, vitamins, and minerals required for optimal growth, development, and energy levels. Additionally, ensuring that the animal is properly hydrated aids in digestion, nutrient absorption, and overall bodily functions, which are critical for achieving peak performance during a show.

In contrast, grooming alone, while important for the animal's appearance, does not address the overall health and nutritional needs that are foundational for an animal's performance. Leaving the animal alone before the show does not contribute to its health and can even be detrimental, as animals require both social interaction and a routine that stabilizes their stress levels leading up to the show. The presence of spectators during training may serve as a distraction and does not have a direct correlation to the health of the animal in terms of preparation. Therefore, balanced nutrition and regular hydration stand out as the most critical factors in ensuring show animals are healthy.