Most data collectors considers the first 28 days after birth as the newborn period. It is more an artificial label than a real period. Some would label the infancy period as being from birth to the point of walking. Most data collectors considers the first 28 days after birth as the newborn period. It is more an artificial label than a real period. Some would label the infancy period as being from birth to the point of walking.
1 Preheat the oven to 350Â°F. 2  If the ham is labeled 'fully cooked' (does not require heating), heat for 8 to 10 minutes per pound, or to an internal temperature of 140Â°F. 3  If the ham is labeled 'cook before eating,' heat to an internal temperature of 160Â°F. First, check the label for instructions. 2  It should be labeled 'fully cooked' or 'cook before eating.'. 3  Preheat the oven to 350Â°F. 4  If the ham is labeled 'fully cooked' (does not require heating), heat for 8 to 10 minutes per pound, or to an internal temperature of 140Â°F.
Put the ham into the baking pan and then put the pan in the oven. Estimate the amount of time the ham will need to cook. A 12-pound ham will take about 18 to 20 minutes per pound to bake, or roughly three and one-half to four hours.At the lowest time estimate, begin checking the internal temperature.When it reaches 160 degrees F, the ham is done. 12-pound ham will take about 18 to 20 minutes per pound to bake, or roughly three and one-half to four hours.