Спаси семью вовремя: этот липкий знак у летка предупреждает о скрытой беде

Many beekeepers see propolis at the hive entrance and immediately want to scrape it off. But this unsightly sticky edge can be an important signal from the colony. Bees can use propolis as a climate valve to regulate airflow, reduce drafts, retain heat, control odor, and protect the entrance. In this video, we'll discuss when a propolis seal helps the colony, when it indicates a problem, and why it's sometimes better to observe first rather than clean.