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- 4Rumen Epithelium
- 1Epithelial Remodelling
- 1Extracellular Matrix Remodeling
- 4AlZahal, Ousama
- 4McBride, Brian W.
- 4Steele, Michael A.
- 2Dionissopoulos, Louis
- 1Croom, Jim
- 1Hook, Sarah E.
A characterization of inflammatory and structural markers within the rumen epithelium during grain-induced ruminal acidosis in lactating dairy cattleDownload
The objective of this study was to characterize the mRNA and protein expression of inflammatory and structural genes in the rumen epithelium during grain-induced ruminal acidosis in lactating dairy cattle. A total of 16 rumen-fistulated, lactating Holstein dairy cattle (618±35 kg of body weight,...
Adaptation to high grain diets proceeds through minimal immune system stimulation and differences in extracellular matrix protein expression in a model of subacute ruminal acidosis in non-lactating dairy cowsDownload
Problem statement: Subacute Ruminal Acidosis (SARA) is a metabolic disorder affecting approximately 20% of all dairy cattle in North America. Although the presence of SARA has been described for some time, the etiology of the disorder remains uncertain. For example, many animals diagnosed with...
Changes in the rumen papillae during the periparturient transition in Holstein dairy cows are accompanied by changes in abundance of proteins involved in intracellular pH regulation, but not SCFA transportDownload
The objective of this study was to examine changes in SCFA transportcapacity in the rumen epithelium during the parturition transition period.Twelve pregnant, cannulated primiparous and multiparous cows were fed astandard Total Mixed Ration (TMR) for the duration of the dry period; aftercalving,...
A mature dairy cow was transitioned from a high forage (100% forage) to a high-grain (79% grain) diet over seven days. Continuous ruminal pH recordings were utilized to diagnose the severity of ruminal acidosis. Additionally, blood and rumen papillae biopsies were collected to describe the...