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=Austin High School Advanced Biology 11-12=



Fetal Pig Dissection
Please use this wiki to post information about each body system. Consider this your notebook on your fetal pig dissection. All notes and links to web sites should be placed here.

Fetal Pig Classification Kingdom: Animalia __Phylum:__ Chordata __Class:__ Mammalia Order: Artiodactyla Family: Suidae Genus : Sus Species : Sus scrofa (Andriana)

Description and behavior
A pig has a snout for a nose, small eyes, and a small tail, which may be curly, kinked, or straight. It has a thick body, short legs, and coarse hair. There are four toes on each foot, with the two large middle toes used for walking. Breeding occurs throughout the year in the tropics, but births peak around rainy seasons. A female pig can become pregnant at around 8–18 months of age. She will then go into estrus every 21 days if not bred. Male pigs become sexually active at 8–10 months of age. A litter of piglets typically contains between 6 and 12 piglets. After the young are weaned, two or more families may come together until the next mating season. Pigs do not have functional sweat glands, so pigs cool themselves using water or mud during hot weather. They also use mud as a form of sunscreen to protect their skin from sunburn. Mud also provides protection against flies and parasites. Domesticated pigs are commonly raised as livestock by farmers for meat (called pork), as well as for leather. Their bristly hairs are also used for brushes. Some breeds of pig, such as the Asian pot-bellied pig, are kept as pets. -Search by Caleb

__How long is the pigs gestation?__ The average gestation period of a pig is 112-114 days. -Em. P.

**//For general information and comparisons to humans: -emily w. [] //**
[|Pig Term Flash Cards]


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