Final answer:
The incision for a ventral paramedian abomasopexy is made in the ventral paramedian area, and the midsagittal plane divides an animal into equal right and left portions.
Step-by-step explanation:
When performing a ventral paramedian abomasopexy, the correct incision location is ventral paramedian. This surgical procedure is specific to ruminants such as cows and involves attaching the abomasum, which is one of the stomach compartments, to the abdominal wall to correct displacement. The incision for a ventral paramedian abomasopexy is not made in the midline, left paralumbar fossa, or right paralumbar fossa, which are other potential incision sites for different procedures. For the knowledge checkpoint, a plane that divides an animal into equal right and left portions is known as a midsagittal plane. Understanding the different planes and regions of the body is critical when performing surgical interventions.