What is the consequence of the coat needing to be supremely efficient regarding male ibex horns?

Answer

Less energy spent managing temperature means more resources are available for supporting horn development

The body prioritizes energy use; an efficient coat minimizes the calories spent on thermoregulation, freeing up metabolic resources necessary to develop and maintain the massive horns.

What is the consequence of the coat needing to be supremely efficient regarding male ibex horns?
mammalhaircoatIbex