From birth to lying on- or under a supplemental heat source: How long does it take for half the litter to lie down and how long do they stay?

• Cassandra R. Stambuk,

  Roles Data curation, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Department of Animal Science, Iowa State University, Ames, Iowa, United States of America

  ⨯
• Anna K. Johnson ,

  Contributed equally to this work with: Anna K. Johnson, Kenneth J. Stalder

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – original draft, Writing – review & editing

  * E-mail: johnsona@iastate.edu

  Affiliation Department of Animal Science, Iowa State University, Ames, Iowa, United States of America

  https://orcid.org/0000-0001-7687-0465

  ⨯
• Karli J. Lane,

  Roles Writing – original draft, Writing – review & editing

  Affiliation Department of Animal Science, Iowa State University, Ames, Iowa, United States of America

  ⨯
• Kenneth J. Stalder

  Contributed equally to this work with: Anna K. Johnson, Kenneth J. Stalder

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Resources, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Department of Animal Science, Iowa State University, Ames, Iowa, United States of America

  ⨯