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She said the oval track caused significant problems for the dogs, with broken legs and musculoskeletal injuries most common.

"Greyhound racing is inherently dangerous for the dogs involved, and running at speed around oval tracks causes significant injury to many dogs," it said.

One species they were interested in but dropped for this reason was leopard sharks, a striking fish adorned with spots and dark ovals stretched in neat rows across its back.

On this day, Packers player-coach Lambeau rushed for at least one touchdown, connected on four extra points and “was shooting the oval like a bullet, and with deadly accuracy,” according to the Green Bay Press-Gazette.

Among the signature elements essential to the design are the contiguous oval shape and the gradual slope — also known as the rake — of the seating.