Heat stress on calves and heifers: a review

J Wang, J Li, F Wang, J **ao, Y Wang, H Yang… - Journal of Animal …, 2020 - Springer
The current review is designed with aims to highlight the impact of heat stress (HS) on
calves and heifers and to suggest methods for HS alleviation. HS occurs in animals when …

Improved extraction of PCR-quality community DNA from digesta and fecal samples

Z Yu, M Morrison - Biotechniques, 2004 - Taylor & Francis
Several DNA extraction methods have been reported for use with digesta or fecal samples,
but problems are often encountered in terms of relatively low DNA yields and/or recovering …

A structural and functional elucidation of the rumen microbiome influenced by various diets and microenvironments

S Deusch, A Camarinha-Silva, J Conrad… - Frontiers in …, 2017 - frontiersin.org
The structure and function of the microbiome inhabiting the rumen are, amongst other
factors, mainly shaped by the animal's feed intake. Describing the influence of different diets …

Characterization of the core rumen microbiome in cattle during transition from forage to concentrate as well as during and after an acidotic challenge

RM Petri, T Schwaiger, GB Penner, KA Beauchemin… - PloS one, 2013 - journals.plos.org
This study investigated the effect of diet and host on the rumen bacterial microbiome and the
impact of an acidotic challenge on its composition. Using parallel pyrosequencing of the V3 …

Influence of hydrogen on rumen methane formation and fermentation balances through microbial growth kinetics and fermentation thermodynamics

PH Janssen - Animal feed science and technology, 2010 - Elsevier
A descriptive model is presented that can explain changes in the amount of methane (CH4)
formed in the rumen in relation to passage rate, feed type, and the effects of pH and …

[HTML][HTML] Ruminal acidosis in beef cattle: the current microbiological and nutritional outlook

TG Nagaraja, EC Titgemeyer - Journal of dairy science, 2007 - Elsevier
Ruminal acidosis continues to be a common ruminal digestive disorder in beef cattle and
can lead to marked reductions in cattle performance. Ruminal acidosis or increased …

Phytogenic additives can modulate rumen microbiome to mediate fermentation kinetics and methanogenesis through exploiting diet–microbe interaction

F Hassan, MA Arshad, HM Ebeid… - Frontiers in Veterinary …, 2020 - frontiersin.org
Ruminants inhabit the consortia of gut microbes that play a critical functional role in their
maintenance and nourishment by enabling them to use cellulosic and non-cellulosic feed …

Structure of the archaeal community of the rumen

PH Janssen, M Kirs - Applied and environmental microbiology, 2008 - journals.asm.org
Members of the domain Archaea contribute about 0.3 to 3.3% of the microbial small subunit
(16S and 18S) rRNA in the rumen (22, 39, 60). Archaea have a range of different …

Gene-centric metagenomics of the fiber-adherent bovine rumen microbiome reveals forage specific glycoside hydrolases

JM Brulc, DA Antonopoulos, ME Berg Miller… - Proceedings of the …, 2009 - pnas.org
The complex microbiome of the rumen functions as an effective system for the conversion of
plant cell wall biomass to microbial protein, short chain fatty acids, and gases. As such, it …

Rumen microbiology: from evolution to revolution

AK Puniya, R Singh, DN Kamra - 2015 - Springer
This book presents a series of chapters on the current knowledge with an emphasis on the
interactions of host animal with the microbes in the rumen. The whole content is divided into …