Because of lack of predation, the National Park Service culls around 50 elk each winter. Secondary infection, which starts from infected potato culls, produces more severe symptoms. To protect the ringneck, culls of the lorikeet are sanctioned by authorities in this region. Culls of deer are often partnered with exclusions with fencing and also administering contraceptives. Despite the commercial harvest and some culls, the eastern grey remains common and widespread. He confirmed the zoo typically culls 20 to 30 animals every year. Taken from Laughton's one-man stage shows, it culls together dramatic readings from several sources. If successful, these programs will replace Government captures and culls. Following the deaths, aerial culls and ground shooting removed 203 horses from the forest. However, native species may be killed during government-authorized culls. All of these regions use the term "shark control" for their culls. The Government was to bear the costs of licensing and monitoring the culls. In Hawaii, seven short term shark culls utilising long-lines took place between 1959 and 1976. The article he filed was later edited to remove any reference to "horse culls". The term "shark control" is often used by governments when referring to culls.