Besides insulating against extreme cold, what secondary protective function does the intact double coat provide in sunny climates?

Answer

Insulation against intense solar radiation

The dense double coat of the Yakutian Laika is engineered for comprehensive thermal management, not just cold protection. While the inner coat traps heat when temperatures are low, the entire structure also provides a necessary barrier against intense solar radiation when the dog is exposed to strong sunlight in warmer or sunny climates. This defense mechanism prevents the intense energy from the sun from reaching the skin directly, thereby mitigating the risk of sunburn, especially on thinly-furred or light-colored areas.

Besides insulating against extreme cold, what secondary protective function does the intact double coat provide in sunny climates?
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