Which is the correct progression of Quality Grades listed below from the most desirable (highest) to the least desirable (lowest).

In porcine, a young female porcine that has not farrowed is referred to as a:

In porcine, a young female porcine that has not farrowed is referred to as a:

Mating animals of different established breeds to maximize the effects of breed complementation and heterosis.

Mating animals of different established breeds to maximize the effects of breed complementation and heterosis.

Serves as the site of fertilization (egg meets sperm) in the cow.

Used in an attempt to maintain a high genetic relationship to an outstanding ancestor, and to minimize the desirable effects of intensive inbreeding.

Produce finished cattle weighing 1000-1300 lbs.

Act of giving birth in swine.

Serves as the site of fertilization (egg meets sperm) in the cow.