Date of Award

2016

Publisher

North Dakota State University

Document Type

Thesis

Degree Awarded

Master of Science (MS)

Program

Animal Sciences

Department

Animal Sciences

College

Agriculture, Food Systems and Natural Resources

Faculty Advisor

Caton, Joel S.

Description

Poor Maternal nutrition has been implicated to reduce nutrient transport to the conceptus. Therefore, we hypothesized that maternal nutrition and day of gestation would impact mRNA expression of nutrient transporters GLUT1, GLUT3, GLUT5, GLUT14, CAT-1, CAT-2, and CAT-3 in beef heifers. Crossbred Angus heifers (n = 49) were bred via AI, assigned to nutritional treatment (CON = 100% of requirements for 0.45 kg/d gain and RES = 60% of CON) and ovariohysterectomized on d 16, 34, or 50 of gestation. Expression of CAT-2 was the only gene in any tissue to demonstrate a day × treatment interaction. Expression of nutrient transporters were not influence by nutritional treatment (P > 0.05); however, transporters were differentially expressed by day of gestation (P ≤ 0.05). We interpret these results to indicate that day, has a greater influence than a 40% global nutrient restriction on mRNA expression of nutrient transporters in bovine utero-placental tissues.

Rights

NDSU policy 190.6.2

Rights Link

https://www.ndsu.edu/fileadmin/policy/190.pdf

Handle Identifier

https://hdl.handle.net/10365/28240

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