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M. D. Whitacre

Researcher at North Carolina State University

Publications -  23
Citations -  573

M. D. Whitacre is an academic researcher from North Carolina State University. The author has contributed to research in topics: Follicular phase & Estrous cycle. The author has an hindex of 13, co-authored 22 publications receiving 543 citations. Previous affiliations of M. D. Whitacre include North Carolina State University College of Veterinary Medicine.

Papers
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Journal ArticleDOI

Determinants of Estrous Behavior in Lactating Holstein Cows

Jack H. Britt, +3 more
- 01 Aug 1986 - 
TL;DR: It is indicated that the surface on which cows were observed had a profound effect on sexual behavior; however, postpartum interval, season of year, and milk yield were of minor importance.
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Effect of somatotropin and/or equine chorionic gonadotropin on serum and follicular insulin-like growth factor I and insulin-like growth factor binding proteins in cattle.

R. L. Stanko, +6 more
- 01 Feb 1994 - 
TL;DR: Serum IGF-I was increased to a greater extent (percentage increase above 0 h) by rbST treatment in GRFi than in HSAi (176 +/- 16) cows (immunization by treatment, p < 0.01).
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Pharmacokinetics and endometrial tissue concentrations of enrofloxacin and the metabolite ciprofloxacin after i.v. administration of enrofloxacin to mares.

Mark G. Papich, +3 more
- 01 Oct 2002 - 
TL;DR: Endometrial tissue concentrations taken from the mares after dosing showed that enrofloxacin and ciprofloxin both penetrate this tissue adequately after systemic administration and would attain concentrations high enough in the tissue fluids to treat infections of the endometrium caused by susceptible bacteria.
Journal ArticleDOI

Retained placenta of Holstein cows treated with selenium and vitamin E.

E.C. Segerson, +3 more
- 01 Sep 1981 - 
TL;DR: Serum selenium for cows in each herd was elevated by supplementation, and the incidence of retained placenta was reduced in cows considered borderline deficient of selenum concentration in serum prior to supplementation, but the incidence was not reduced by treatment.
Journal ArticleDOI

Immunization against growth hormone releasing factor or chronic feed restriction initiated at 3.5 months of age reduces ovarian response to pulsatile administration of gonadotropin-releasing hormone at 6 months of age and delays onset of puberty in heifers.

P. D. Schoppee, +5 more
- 01 Jul 1996 - 
TL;DR: The hypothesis that reduced serum IGF-I results in decreased serum E2, which in turn delays onset of puberty in heifers is hypothesized, and data support the hypothesis.