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  2. Horse breeding - Wikipedia

    en.wikipedia.org/wiki/Horse_breeding

    The gestation period lasts for about eleven months, or about 340 days (normal average range 320–370 days). During the early days of pregnancy, the conceptus is mobile, moving about in the uterus until about day 16 when "fixation" occurs.

  3. List of mammalian gestation durations - Wikipedia

    en.wikipedia.org/wiki/List_of_mammalian...

    A marsupial has a short gestation period, typically shorter than placental. For more information on how these estimates were ascertained, see Wikipedia's articles on gestational age. The gestation figures given here are shown in days. They represent average values and should only be considered as approximations.

  4. Horse - Wikipedia

    en.wikipedia.org/wiki/Horse

    Gestation lasts approximately 340 days, with an average range 320–370 days, [50] [51] and usually results in one foal; twins are rare. [52] Horses are a precocial species, and foals are capable of standing and running within a short time following birth. [53] Foals are usually born in the spring.

  5. Pregnancy (mammals) - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_(mammals)

    The duration of this period varies between species. For most species, the amount a fetus grows before birth determines the length of the gestation period. Smaller species normally have a shorter gestation period than larger animals. [2] For example, a cat's gestation normally takes 58–65 days while an elephant's takes nearly 2 years (21 ...

  6. Foal - Wikipedia

    en.wikipedia.org/wiki/Foal

    A newborn foal A foal will be able to run alongside of its dam within a few hours of birth.. Foals are born after a gestation period of approximately 11 months. [1] Birth takes place quickly, consistent with the status of a horse as a prey animal, and more often at night than during the day.

  7. Gestation - Wikipedia

    en.wikipedia.org/wiki/Gestation

    Clinically, pregnancy starts from first day of the mother's last period. [4] Biochemically, pregnancy starts when a woman's human chorionic gonadotropin (hCG) levels rise above 25 mIU/mL. [5] Biologically, pregnancy starts at implantation of the fertilized egg. Human pregnancy can be divided into three trimesters, each approximately three ...

  8. Perissodactyla - Wikipedia

    en.wikipedia.org/wiki/Perissodactyla

    Odd-toed ungulates are characterized by a long gestation period and a small litter size, usually delivering a single young. The gestation period is 330–500 days, being longest in rhinos. Newborn perissodactyls are precocial , meaning offspring are born already quite independent: for example, [ 17 ] young horses can begin to follow the mother ...

  9. Barbour's seahorse - Wikipedia

    en.wikipedia.org/wiki/Barbour's_seahorse

    The female deposits her eggs into the male's brood pouch. Through the pregnancy the pair strengthens their pair bonds with daily greetings. [7] The gestation period for H. barbouri is 12–14 days, with a typical brood size of about 10–240 offspring. They give no parental care to juveniles after birth.