For hardware description language file, see VHDL. VHD (Virtual Hard Disk) is a file format which represents a virtual hard disk drive (HDD). It may contain what is found on a physical HDD, such as disk partitions and a file system, which in turn can contain files and folders. It is typically used as the hard disk of a virtual machine.
Typically, koi eggs will hatch in less than a week. Koi eggs are very small, bead-like specks that can vary from milky white to yellow or green. Upon closer inspection, you can see two black dots through the transparent membrane of the egg. These are the developing eyes of the koi.
How long does it take Coturnix Quail eggs to Hatch? Your Coturnix Quail eggs incubation period will be 16-17 days. Your Quail eggs can also hatch at 18 days and it's easier to plan your eggs incubation period for 18 days to be safe.ow long does it take Coturnix Quail eggs to Hatch? Your Coturnix Quail eggs incubation period will be 16-17 days. Your Quail eggs can also hatch at 18 days and it's easier to plan your eggs incubation period for 18 days to be safe.