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.
Turkey eggs usually take 21 to 28 days to hatch depending on what they are incubated in like an incubator or by a hen. It also depends on how fertile it is and how it is cared â¦ for.It usually takes closer to 28 days. + 158 others found this useful.ow long does it take for angelfish eggs to hatch?   Angelfish eggs will hatch in about 60 hours at 80Â° F-according to http://www.angelsplus.com/Breeding2.htm    3-4 days.