To open and read a publisher file, Microsoft Publisher must be installed on the computer system. Reading a .pub file without the publisher is not possible. There is a solution to this issue which allows the user to read the contents of the publisher file without the Microsoft Publisher software.
Occaisonally a mare will give birth at a shorter period than 11 months long, which can be at 10.5 months. Anytime before that foals that are born are deemed premature. On average, 340 days but a healthy gestation can be as few as 315 days and as much as 370. The gestational period of a horse is 11 months. 11 to 12 months all deppeand on the mare I had a mare go to 13 month before dropping. + 5 others found this useful.
Gestation Period. The period of time that an embryo develops between the time of mating and the time of birth. In dogs it is generally 63 days but gestation periods can vary depending on the breed and individual bitch.estation Period. The period of time that an embryo develops between the time of mating and the time of birth. In dogs it is generally 63 days but gestation periods can vary depending on the breed and individual bitch.