LIVESTOCK GESTATION AND MATING TABLES

This table lists the proper age for first mating, the animals' period of fertility, the number of females for one male, and period of gestation (days) for: ewe, ram, mare, stallion, cow, bull, sow, boar, doe goat, buck goat, bitch, male dog, queen cat, tom cat, doe rabbit, and buck rabbit.

Sources: http://www.almanac.com/content/gestation-and-mating-tables