In recent years cattle breeders have increasingly used crossbreeding, In part that their steers should acquire certain charateristics and partly because crossbreeding is said to provide hybrid vigor.
D. partly because certain characteristics should be acquired by their steers
E. partly to acquire certain charateristics in their steers
In recent years cattle breeders have increasingly used crossbreeding, In part that their steers should acquire certain charateristics and partly because crossbreeding is said to provide hybrid vigor.
D. partly because certain characteristics should be acquired by their steers
E. partly to acquire certain charateristics in their steers