The researchers studied how different numbers of sheep and grazing periods affect the growth of a type of pasture plant called Paraggio Medic. They found that the amount of available forage was influenced by both the number of sheep and how long they grazed. More seeds were produced when there were fewer sheep, but seed production decreased as the grazing period increased. Overall, the study showed that stocking density and grazing period have a significant impact on the growth and seed production of Paraggio Medic.