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Toggle Factors affecting the gestation period in mammals subsection. 1.1 Animal size/mass. 1.2 The level of development at birth. ... Guinea pig (Cavia sp.) 56 74 65
The wild boar (Sus scrofa), also known as the wild swine, [4] common wild pig, [5] ... The gestation period varies according to the age of the expecting mother. For ...
The pig (Sus domesticus), also called swine ... The gestation period averages 112–120 days. [43] Piglets keeping warm together. Estrus lasts two to three days, and ...
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 ...
The red river hog (Potamochoerus porcus) or bushpig (a name also used for Potamochoerus larvatus) is a wild member of the pig family living in Africa, with most of its distribution in the Guinean and Congolian forests. It is rarely seen away from rainforests, and generally prefers areas near rivers or swamps. [2]
The gestation period lasts from 59–72 days (1.9–2.4 months), with an average of 63–68 days (2.1–2.2 months). [68] Because of the long gestation period and the large size of the pups, pregnant sows may become large and eggplant-shaped, although the change in size and shape varies depending upon the size of the litter.
No studies have found significant data regarding the mother swine's diet and fetal pig survival rate. However, there is a correlation between a mother pig having a nutritious diet containing proteins, vitamins and minerals during gestation period and the survival rate of piglets. The correlation, however, is not statistically different.
The typical gestation period is five to six months. When they are about to give birth, sows temporarily leave their families to farrow in a separate hole. [7] The litter is two to eight piglets, with two to four typical. The sow will stay in the burrow for several weeks, nursing her piglets. [7]