[HTML][HTML] Invited Review: Advances in rumen efficiency

JL Firkins - Applied Animal Science, 2021 - Elsevier
Purpose The purpose of this review was to explain how advances in our knowledge of
rumen microbial ecology provide opportunities to improve ruminal fiber degradation …

Using microbiome information to understand and improve animal performance

JM Lourenco, CB Welch - Italian Journal of Animal Science, 2022 - Taylor & Francis
For many years, microbiology was based on culture-dependent methods to study
microorganisms; however, the latest technologies are culture-independent and their …

Comparison of the ruminal and fecal microbiotas in beef calves supplemented or not with concentrate

JM Lourenco, TJ Kieran, DS Seidel, TC Glenn… - PloS one, 2020 - journals.plos.org
Most of the research efforts involving the bovine gastrointestinal microbiota have focused on
cattle's forestomach, particularly the rumen, so information concerning the bovine fecal …

Characterization of rumen, fecal, and milk microbiota in lactating dairy cows

JR Williamson, TR Callaway, JM Lourenco… - Frontiers in …, 2022 - frontiersin.org
Targeting the gastrointestinal microbiome for improvement of feed efficiency and reduction
of production costs is a potential promising strategy. However little progress has been made …

Evaluation of the fecal bacterial communities of Angus steers with divergent feed efficiencies across the lifespan from weaning to slaughter

CB Welch, JM Lourenco, TR Krause… - Frontiers in veterinary …, 2021 - frontiersin.org
Numerous studies have examined the link between the presence of specific gastrointestinal
bacteria and the feed efficiency of cattle. However, cattle undergo dietary changes during …

The impact of feed efficiency selection on the ruminal, cecal, and fecal microbiomes of Angus steers from a commercial feedlot

CB Welch, JM Lourenco, DB Davis… - Journal of animal …, 2020 - academic.oup.com
Feed is the greatest cost of animal production, so reducing it is critical to increase producer
profits. In ruminants, the microbial population within the gastrointestinal tract (GIT) is critical …

Host metabolome and faecal microbiome shows potential interactions impacted by age and weaning times in calves

N Amin, S Schwarzkopf, J Tröscher-Mußotter… - Animal Microbiome, 2023 - Springer
Background Calves undergo nutritional, metabolic, and behavioural changes from birth to
the entire weaning period. An appropriate selection of weaning age is essential to reduce …

Fecal microbiome differences in Angus steers with differing feed efficiencies during the feedlot-finishing phase

JM Lourenco, CB Welch, TR Krause, MA Wieczorek… - Microorganisms, 2022 - mdpi.com
The gastrointestinal microbiota of cattle is important for feedstuff degradation and feed
efficiency determination. This study evaluated the fecal microbiome of Angus steers with …

The impact of pre-slaughter fasting on the ruminal microbial population of commercial Angus steers

CB Welch, JM Lourenco, DS Seidel, TR Krause… - Microorganisms, 2021 - mdpi.com
Diet impacts the composition of the ruminal microbiota; however, prior to slaughter, cattle are
fasted, which may change the ruminal microbial ecosystem structure and lead to dysbiosis …

The effects of feeding antibiotic on the intestinal microbiota of weanling pigs

JM Lourenco, RS Hampton, HM Johnson… - Frontiers in Veterinary …, 2021 - frontiersin.org
This study investigated the use of carbadox in the diet of nursery pigs. Ten pens of weanling
piglets were assigned to 2 treatments: one containing carbadox and another without it. From …