premise: Officials in northeast China's Heilongjiang Province have suspended a proposed cull of wild boar, after about 10,000 local people signed a petition against the plan.
  Wild boar have been propagating rapidly under government-backed protection schemes, but invasions by the animals of villagers' homes have been reported in 20 counties and districts in Heilongjiang.
  The authorities in the cities of Mudanjiang and Jixi, which have borne the brunt of the damage, had approved a cull of 50 wild boar until the end of December to be supervised and carried out by local forestry officials in designated areas.
  Forestry authorities also promised that no individual hunters would be allowed to take part.
  Days after the announcement, 10,000 local residents led by wildlife enthusiasts signed a petition against the cull.
   Why did authorities approve of the culling of 50 wild boar?
hypothesis: Mudanjiang and Jixi, which have borne the brunt of the damage