Theses and Dissertations

Issuing Body

Mississippi State University

Advisor

Rude, Brian J.

Committee Member

Lemley, Caleb O.

Committee Member

Ryan, Peter

Committee Member

Boyer, Angela

Date of Degree

12-14-2018

Document Type

Dissertation - Open Access

Major

Agricultural Science (Animal and Dairy Science)

Degree Name

Doctor of Philosophy (Ph.D)

College

College of Agriculture and Life Sciences

Department

Department of Animal and Dairy Sciences

Abstract

Studies that have investigated the effects of L-arginine supplementation on blood flow to the uterus have not determined the optimal time of supplementation. No research has been conducted on nitrite concentration in the placenta and blood of mares supplemented with L-arginine. L-arginine is a precursor of NO and therefore, should increase nitrite production both in blood as well as in expelled placenta. Presence of nitrites would also be indicative of increased angiogenesis. No studies have addressed placental efficiency in mares supplemented L-arginine. Placental efficiency is vital for production of a healthy foal. Therefore, to address these short-comings the objectives of this study were to supplement pregnant mares with L-arginine on effects of supplementation at differing time points on blood flow to the uterus, nitrite concentration in blood and placenta, and placental efficiency.

URI

https://hdl.handle.net/11668/18557

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