Development of physical activity levels in laying hens in three-dimensional aviaries

Authors: Madison Kozak, Bret Tobalske, Dwight Springthorpe, Bill Szkotnicki, Alexandra Harlander-Matauschek

Publication/Journal: Applied Animal Behaviour Science

Keywords: accelerometer, aviary, development, laying hens, locomotion, physical activity

2016

A safer method for studying hormone metabolism in an Asian elephant (Elephas maximus): accelerator mass spectrometry

Authors: Lisa Yon, Brian Faulkner, Sumolya Kanchanapangka, Narongsak Chaiyabutr, Sompast Meepan, Bill Lasley

Publication/Journal: Zoo Biology

Keywords: assay, noninvasive, testosterone, urine

2010

Factors affecting reproduction in zoo-housed geoffroy’s tamarins(Saguinus geoffroyi)

Authors: Christopher W. Kuhar, Tamara L. Bettinger, Alan L. Sironen, James H. Shaw, Bill L. Lasley

Publication/Journal: Zoo Biology

Keywords: captive management, cortisol, reproduction, saguinus, tamarin

2003

Effects of early rearing experience on adult behavior and nesting in captive Hawaiian crows (Corvus hawaiiensis)

Authors: Nancy C. Harvey, Susan M. Farabaugh, Bill B. Druker

Publication/Journal: Zoo Biology

Keywords: behavior, captive, corvus hawaiiensis, endangered, nesting

2002

Use of levonorgestrel as an effective means of contraception in the white-faced saki (Pithecia pithecia)

Authors: Anne Savage, Dara S. Zirofsky, Susan E. Shideler, Tessa E. Smith, Bill L. Lasley

Publication/Journal: Zoo Biology

Keywords: cebids, contraceptives, levonorgestrel (lng), new world primates

2002

Efficacy of levonorgestrel when administered as an irradiated, slow-release injectable matrix for feline contraception

Authors: Sheri Looper, Gary Anderson, Yichun Sun, Atul Shukla, Bill Lasley

Publication/Journal: Zoo Biology

Keywords: cat, estrogen, pregnancy, progesterone

2001

A comparison of sex steroid hormone excretion and metabolism by psittacine species

Authors: Julian Lee, Lisa Tell, Bill Lasley

Publication/Journal: Zoo Biology

Keywords: amazon parrot, budgerigar, estradiol, fecal steroids, testosterone

1999

Ovarian hormone concentrations and genital swelling patterns in female chimpanzees with Norplant implants

Authors: Tammie Bettinger, Debbie Cougar, D. Rick Lee, Bill L. Lasley, Janette Wallis

Publication/Journal: Zoo Biology

Keywords: contraception, estrone, implant, levonorgestrel, pregnanediol

1997

Validation of an enzyme immunoassay for measurement of excreted estrogen and testosterone metabolites in the white-crowned sparrow (Zonotrichia leucophrys oriantha)

Authors: Julian V. Lee, Carol S. Whaling, Bill L. Lasley, Peter Marler

Publication/Journal: Zoo Biology

Keywords: birds, estrone conjugate, fecal, passerines, steroid

1995

Urinary steroid evaluations to monitor ovarian function in exotic ungulates: X. Pregnancy diagnosis in Perissodactyla

Authors: Edward C. Ramsay, Francisco Moran, Janet F. Roser, Bill L. Lasley

Publication/Journal: Zoo Biology

Keywords: chorionic gonadotropins, estrone conjugates, pregnanediol-3-glucuronide, progesterone metabolites, rhinoceros, tapir, urinary hormones, zebra

1994