Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 3 of 3
Full-Text Articles in Life Sciences
Evaluation Of Forage Energetics And Implications To Pasture-Based Dairy Cattle In The Northeastern United States., Miriam Allison Snider
Evaluation Of Forage Energetics And Implications To Pasture-Based Dairy Cattle In The Northeastern United States., Miriam Allison Snider
Graduate College Dissertations and Theses
The organic, grassfed (OGF) dairy sector has been growing for the past 10 yr with expansion rapidly outpacing other dairy sectors. Unique management approaches are needed for OGF systems, but research to support said approaches is lacking. The objectives of this dissertation were to 1) survey OGF dairy producers to better understand producer knowledge and practices, as well as identify areas of needed research to support this farmer population, 2) determine in vitro rumen performance of energetic supplements commonly utilized on OGF dairy farms in the Northeastern (NE) United States (U.S.), and 3) identify and evaluate forage combinations using in …
Effects Of Late Gestation Episodic Heat Stress In The Northeastern United States On Holstein Dams And Their Calves, Emily Fread
Effects Of Late Gestation Episodic Heat Stress In The Northeastern United States On Holstein Dams And Their Calves, Emily Fread
Graduate College Dissertations and Theses
Heat stress negatively impacts dry dairy cows in subtropical climates, but impacts in moderate climates are unknown. The objective of this thesis was to determine if dry cows and their calves in Northern NY and VT are impacted by episodic heat stress and varying levels of heat exposure. Another aim of this study was to determine farmers' knowledge of heat stress, heat abatement use, and the need for future research.Chapter 2 describes a study conducted on a Northern NY farm, where dry cows were housed in moderate heat abatement, meaning fans over a bedded pack or free stalls. Surprisingly, cows …
The Effects Of Processed Seaweed Supplements On Rumen Fermentation And Methane Production In Vitro, Ashley Winter Driemel
The Effects Of Processed Seaweed Supplements On Rumen Fermentation And Methane Production In Vitro, Ashley Winter Driemel
Graduate College Dissertations and Theses
Seaweed supplementation in ruminants is not a novel practice but has recently regained popularity due to promising nutritional benefits for the animal as well as the presence of bioactive compounds that reduce methanogenesis within the rumen. It is important to broaden our assessment of different seaweed species and identify key seaweed species that have the most efficient CH4-reducing potential, do not negatively impact rumen fermentation parameters, and are abundant enough to meet consumer demand. Chapter 1 of this thesis reviews the published literature relevant to seaweed supplementation in ruminants, with a focus on the comparison of seaweed processing methods utilized …