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This is a collection of lists of mammal gestation period estimated by experts in their fields. The mammals included are only viviparous (marsupials and placentals) as some mammals, which are monotremes (including platypuses and echidnas) lay their eggs. A marsupial has a short gestation period, typically shorter than placental.
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 months). [3] However, growth does not necessarily determine the length of gestation for all species, especially for those with a breeding season. Species that ...
The estrous cycle (from Latin oestrus 'frenzy', originally from Ancient Greek οἶστρος (oîstros) 'gadfly') is a set of recurring physiological changes induced by reproductive hormones in females of mammalian subclass Theria. [1]
Pregnancy in Goats. There are many things that can impact goat gestation like breed, litter weight, environment, and parity, but on average these tiny creatures are pregnant for a whopping 145-155 ...
Gestation, called pregnancy in humans, is the period of time during which the fetus develops, dividing via mitosis inside the female. During this time, the fetus receives all of its nutrition and oxygenated blood from the female, filtered through the placenta, which is attached to the fetus' abdomen via an umbilical cord.
Older males drive younger males from the maternal herds. The gestation period averages 170 days. Kids are mobile almost immediately after birth. Kids are weaned after 6 months. Female goats reach sexual maturity at 1½–2½ years, males at 3½–4 years. The lifespan of a goat can be from 12 to 22 years.
Goats produce about 2% of the world's total annual milk supply. [63] Dairy goats produce an average of 540 to 1,180 kg (1,200 to 2,600 lb) of milk during an average 284-day lactation. [64] The milk can contain between around 3.5% and 5% butterfat according to breed. [65] Goat milk is processed into products including cheese [66] and Dulce de ...
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