Author
References by this author
Hammond, E.E.; Penfold, L.M.; Metrione, L.C. 2026. Preliminary investigation: Down-regulation of testosterone by an anti-GnRH immunotherapeutic (Improvest®) in a Southern White Rhinoceros (Ceratotherium simum simum) bull. Theriogenology 8 (100156): 1-4. doi.org/10.1016/j.therwi.2026.100156
PDF download available
Stoops, M.; Moresco, A.; Penfold, L.M.; Gillis, J.D.; Wojtusik, J.; Metrione, L.C.; O’Brien, J.K. 2021. Overcoming reproductive disorders in female greater one-horned rhinoceros (Rhinoceros unicornis) to improve artificial insemination and natural breeding success. Clinical Theriogenology 13 (4) Dec: 394-401. doi.org/10.58292/ct.v13.9317
PDF download available
Penfold, L.M. 2011. An overview of the assisted reproduction and genome banking activities of White Oak Conservation Center, Yulee, FL, in the service of species conservation. International Zoo Yearbook 45 (1): 154-159.
PDF download available
Christensen, B.W.; Troedsson, M.; Young, L.J.; Oliva, M.; Penfold, L.M. 2009. Effects of sociosexual environment on serum testosterone in captive male African rhinoceros. Theriogenology 71: 1105-1111, tables 1-2.
PDF download available
Metrione, L.C.; Penfold, L.M.; Waring, G.H. 2007. Social and spatial relationships in captive southern white rhinoceros (Ceratotherium simum simum). Zoo Biology 26 (4): 487-502, figs. 1-3, tables 1-2.
PDF download available
Oliva, M.; Steele, V.; President, T.; Penfold, L.M. 2007. Longitudinal serum progesterone analysis to assess reproductive success in female White rhinoceros (Ceratotherium simum). Proceedings of the AAZV, AAWV, AZA/NAG Joint Conference 2007: 240.
PDF download available
Christensen, B.W.; Troedsson, M.; Little, R.; Oliva, M.; Penfold, L.M. 2006. Invasive and non-invasive methods of hormone monitoring in captive wildlife. In: Rhino Keeper Workshop 2006. Proceedings of the Fourth Rhino Keepers workshop 2005 at Columbus, Ohio. Columbus, Rhino Keepers Workshop. p. 1.
PDF download available
Christensen, B.W.; Troedsson, M.; Young, L.J.; Penfold, L.M. 2006. Exogenous influences on serum testosterone concentrations in male African rhinoceros species. Proceedings Phi Zeta Research Emphasis Day: p. 1.
PDF download available
Myers, D.; Penfold, L.M. 2004. Early pregnancy detection in rhinoceros species using serum glycoproteins. Proceedings of the American Association of Zoo Veterinarians (AAZV) 2004: 604-605.
PDF download available
Christensen, B.W.; Troedsson, M.; Oliva, M.; MacPherson, M.; Pozor, M.; Penfold, L.M. 2004. Exogenous influences on serum testosterone concentration in captive black rhinoceros (Diceros bicornis). Proceedings of the American Association of Zoo Veterinarians (AAZV) 2004: 536.
PDF download available
