Pig Post #1- Dissection of the Fetal Pig (Ariel & Larry)

1. What are some characteristics shared by all mammals?

• Are vertebrates (which means they have a backbone or spine).
• Have hair on their bodies.
• Produce milk to feed their babies.

2. How are domestic pigs related to wild hogs found in some states?

• Domestic pigs can live 15-20 years, but most become pork chops, bacon, and sausage long before that.

3. What is the length of a pigs birth cycle in pigs? How does this compare to humans?

• Although the number of piglets born will increase if mating is postponed, The results from a number of research trials comparing litter size after mating. Pregnancy rates were 69.6% for animals bred at first estrus and 77.4% when a high proportion of aborted human fetuses but not in those from domesticated mammals.

4. Which is more distal to the elbow- the wrist or the hoof?

• Distal is away from the center of body trunk or point of attachment. The wrist is farther away from center of body trunk.

5. Post a picture of the pig and give the orientation using the following terms, anterior, posterior, dorsal , and ventral.

The tail is posterior to the umbilical cord.
The lungs are ventral to the spine. 

The Heart is anterior to the kidneys.
The Spleen is dorsal to the stomach.