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Sheep have a breeding season (tupping) in the autumn, though some can breed year-round. [1] As a result of the influence of humans on sheep breeding, ewes often produce multiple lambs. This increase in lamb births, both in number and birth weight, may cause problems with delivery and lamb survival, requiring the intervention of shepherds. [2]
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.
Sheep (pl.: sheep) or domestic sheep ... After mating, sheep have a gestation period of about five months, [89] ... Sheep magazine, all articles available free online;
Wiltipoll sheep (polled Wiltshire Horn) shed their wool annually in spring to summer and produce lean, heavy lambs. They are a polled breed (no horns) bred for the production of prime lamb. The wool is simply shed and falls to the ground. [2] Due to this process, the energy of the sheep is directed into meat and milk, not wool.
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]
Gestation is the period of development during the carrying of an embryo, and later fetus, inside viviparous animals (the embryo develops within the parent). [1] It is typical for mammals , but also occurs for some non-mammals.
The Southdown was traditionally reared for meat and wool. During the day the sheep pastured freely on the downs, and at night they were close-folded in the arable fields of the farmers, where they helped to increase soil fertility. [10] Fleece weights (greasy) are about 2–3.5 kg for ewes, 3.5–5.5 kg for rams.
St. Croix are easy to handle livestock. Sheep should be active without showing signs of being wild or flighty. Charging and head butting is a less common behavior in rams. Sheep tend to be comfortable around people. St. Croix have a good herding instinct and are often used to train herding dogs. [3]