Day one. They will make your ears ring when they are not happy.
Pigs begin to make full use of their lungs soon after birth when they take their first breath of air. This is essential for initiating the oxygenation process that supports their independent life outside the womb.
Yes, the diaphragm is an essential muscle involved in breathing in both mature pigs and pig fetuses. In a developing fetus, the diaphragm starts to form during early stages of development and continues to grow and strengthen throughout gestation to prepare for breathing after birth.
Same as other mammals- they use lungs.
when it takes its first breath
Steel investment foundries make use of pig iron
You can cook it or make clothes out of it.
A baby's lungs usually become fully developed within a month of being born, and this is why premature babies need special care.
Probably salt.
the pig eathier useses caves or useses objects in its enviorment to make a home so it can survive
To load a full-grown pig into a trailer, you can use a ramp that allows the pig to walk up into the trailer. You may also use food or treats to entice the pig to move into the trailer. Patience and calmness are key in ensuring the process goes smoothly and without stress to the pig.
use a flying pig and make it drink it all out
It is bypassed because there is no need for the blood to go to the lungs and get "pick up" if the pig is dead.