Original sentence: Some of these claims are disputed, but it is impossible to assertain the truth as the racing industry refuses to publish proper statistics.The remainder may be used in breeding, other equestrian events, fed to hunting hounds or exported for human consumption or simply killed
Edited sentence: Critics, based on rumour, contend these 'lost' horses are killed, but in actuality they are used in breeding, sold to hunters who ride horseback, and for point-to-pointing (another horse sport).It is however, unlikely that in a sport that is not only highly competitive but relies on high-stakes gambling to sustain itself, that a practice shown to be a disadvantage would continue