Division of Wildlife Conservation (DWC) Publication Details

Diagnosing pregnancy, in utero litter size, and fetal growth with ultrasound in wild, free-ranging wolves

  • Reference: McNay, M. E., T. R. Stephenson, and B. W. Dale. 2006. Diagnosing pregnancy, in utero litter size, and fetal growth with ultrasound in wild, free-ranging wolves. Journal of Mammalogy 87(1):85–92. https://doi.org/10.1644/05-MAMM-A-057R1.1
  • Audiences: Scientist, Wildlife Manager
  • Authors: Bruce W. Dale, Mark E. McNay, Thomas R. Stephenson
  • Funding Sources: FWS-WR
  • Grants:
  • GMUs or Areas: 20
  • Keywords: Alaska, Canis lupus, denning, fetal growth, litter size, placental scars, pregnancy, ultrasound, wolf
  • Link: https://doi.org/10.1644/05-MAMM-A-057R1.1 (Offsite)
  • Partners: Federal Aid-Wildlife Restoration Program
  • Primary Authors: Mark E. McNay
  • Programs: Wildlife Research
  • Project Numbers: 14.22
  • Publication Types: Journal Article/External Publication
  • Regions: Region III - Interior and Northeastern Alaska, Statewide
  • Species: Wolf
  • Species Categories: Big Game, Furbearers, Mammals
  • Title: Diagnosing pregnancy, in utero litter size, and fetal growth with ultrasound in wild, free-ranging wolves
  • Topics: Research, Physiology
  • Year: 2006

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