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Poultry Science: Personnel


Dr. Kristen J. Navara

Associate Professor of Endocrinology

203 Poultry Science Building
University of Georgia
Athens, Georgia 30602

Phone: (706) 542-1369
Fax: (706) 542-1827


Postdoctoral Fellow, The Ohio State University
Ph.D, Biological Sciences, Auburn University
B.S. Biology, The Pennsylvania State University

Research Interests

Sex ratio manipulation and ovarian follicular dynamics in female birds, Mechanistic bases of yolk androgen deposition, links between maternal immunity and the manipulation of offspring phenotype

For More Information, See the Lab Webpage

Selected Publications

Navara KJ (2013) Hormone-mediated sex ratio adjustment in vertebrates. Integrative and Comparative Biology

Navara KJ. (2013) Hormonal mediation of primary sex ratio adjustment in birds: Compiling the puzzle pieces. Integrative and Comparative Biology.

Navara KJ, Edwards ML, and EA Anderson (2012) Comb size and color relate to sperm quality: a test of the phenotype-linked fertility hypothesis. Behavioral Ecology. 23:1036-1041

Pinson, SE, Wilson, JL, and KJ Navara (2011) Testosterone treatment during meiotic segregation stimulates laying hens to produce more sons. General and Comparative Endocrinology. 174-195-201

Navara KJ and EM Anderson (2011) Eastern bluebirds choose nest boxes based on box orientation, Sialia sialisSoutheastern Naturalist  10: 713-720.

Anderson EM and KJ Navara (2011) Seminal plasma progesterone influences sperm hole penetration in white leghorns.  Poultry Science90: 2035-2040.

Pinson, SE, Parr, C, Wilson, JL, and KJ Navara (2011) Acute corticosterone administration during meiosis stimulates females to produce more male offspring. Physiological and Biochemical Zoology. 84: 292-298.

Gam, AE, Mendonça, MT, and KJ Navara. (2011) Acute corticosterone treatment prior to ovulation biases offspring sex ratios towards males in zebra finches Taeniopygia guttataJournal of Avian Biology. 42: 253-258.

Navara, KJ and Pinson, SE. (2010) Corticosterone in eggs laid by brown and white hens. Poultry Science 89: 1509-1513.

Navara, KJ (2010) Programming of offspring sex ratios by maternal stress in humans: Assessment of physiological mechanisms using a comparative approach. Journal of Comparative Physiology B. 180: 785-796.

Navara, KJ (2009) Humans at tropical latitudes produce more females. Biology Letters 5: 524-527.

Navara, KJ and RJ Nelson (2009) Invited Review: Prenatal environmental influences on the production of sex-specific traits in mammals. Seminars in Cell and Developmental Biology 20: 313-319.

Navara, KJ and MT Mendonça. (2008) Yolk androgens as pleiotropic mediators of physiological processes: A mechanistic review.  Comparative Biochemistry and Physiology A 150: 378-386.


University of Georgia (UGA) College of Agricultural and Environmental Sciences (CAES)