Which specific component of certain fruits or vegetables must keepers carefully exclude from captive sloth diets due to digestive risk?

Answer

Seeds

Seeds found in items like pumpkin must be excluded from the captive diet because they are difficult to digest and present a risk of causing a potentially fatal blockage within the slow-moving gut system.

Which specific component of certain fruits or vegetables must keepers carefully exclude from captive sloth diets due to digestive risk?
dietanimalmammalSlothlinnaeus