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duck breeding造句

"duck breeding"是什麼意思  
造句與例句手機版
  • A chicken and duck breeding programme was set up.
  • In the 1920s, the unusually early opening of the season in December, which overlapped with duck breeding season, became a subject of public controversy.
  • These funds would also assist land owners in protecting existing wetlands that surround duck breeding habitats in key breeding grounds as well as other areas across the United States.
  • It will enable the implementation of a national recovery plan that will double the number of fully operational secure blue duck breeding sites throughout New Zealand, and boost pest control efforts.
  • The total duck breeding population in North America is up 28 percent this year, according to studies performed by U . S . Fish and Wildlife in conjunction with Canada and state agencies.
  • These Japanese would leave when the port of Agoo was later closed, but not without first teaching the natives their methods of fish culture, rice cultivation, deerskin tanning, duck breeding, and weapons manufacturing.
  • "We've had a tremendous drought in the important duck breeding areas since the early 1980s, " said Brad Bortner, chief administrator of migratory birds and habitat programs for the U . S . Fish and Wildlife Service.
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