Polyandry in Honeybees by Dr. Keith Delaplane at the Texas Beekeepers Association 2019 Summer Clinic Скачать
Dr. Keith Delaplane on Mutiny And Other Things That Can Go Wrong in a Bee Colony Besides mites Скачать
What Bees In Nature Can Teach Us by Dr Keith Delaplane at the Texas Beekeepers Association Clinic Скачать
Making Nucs & Splits with author Tanya Phillips at the Texas Beekeepers Association Conference Скачать