J.R. Roche

ORCID: 0000-0002-4165-9253
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About
Contact & Profiles
Research Areas
  • Reproductive Physiology in Livestock
  • Ruminant Nutrition and Digestive Physiology
  • Genetic and phenotypic traits in livestock
  • Effects of Environmental Stressors on Livestock
  • Reproductive System and Pregnancy
  • Animal health and immunology
  • Cancer-related molecular mechanisms research
  • Agriculture Sustainability and Environmental Impact
  • Turfgrass Adaptation and Management
  • Animal Behavior and Welfare Studies
  • Pasture and Agricultural Systems
  • Adipose Tissue and Metabolism
  • Milk Quality and Mastitis in Dairy Cows
  • Fatty Acid Research and Health
  • Agricultural Economics and Policy
  • Growth Hormone and Insulin-like Growth Factors
  • Birth, Development, and Health
  • Extracellular vesicles in disease
  • Regulation of Appetite and Obesity
  • Growth and nutrition in plants
  • IL-33, ST2, and ILC Pathways
  • MicroRNA in disease regulation
  • Endometriosis Research and Treatment
  • Demographic Trends and Gender Preferences
  • Agronomic Practices and Intercropping Systems

University of Auckland
2017-2024

Écologie des Forêts Méditerranéennes
2023

University College London
2002-2023

Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
2023

DairyNZ
2013-2022

Ministry for Primary Industries
2018-2022

Massey University
2019

Austral University of Chile
2018

Irish Hospice Foundation
2015

Roche (Switzerland)
2015

10.3168/jds.s0022-0302(04)73441-4 article EN publisher-specific-oa Journal of Dairy Science 2004-09-01

Perennial ryegrass (Lolium perenne L.) is an important pasture and turf crop. Biotechniques such as gene expression studies are being employed to improve traits in this temperate grass. Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) among the best methods available for determining changes expression. Before analysis of target expression, it essential select appropriate normalisation strategy control non-specific variation between samples. Reference genes that have...

10.1186/1471-2199-11-8 article EN cc-by BMC Molecular Biology 2010-01-01

A large proportion of pregnancy losses occur during the pre-implantation period, when developing embryo is elongating rapidly and signalling its presence to maternal system. The molecular mechanisms that prevent luteolysis support survival within environment are not well understood. To gain a more complete picture these events, genome-wide transcriptional profiles reproductive day 17 endometrial tissue were determined in pregnant cyclic Holstein-Friesian dairy cattle. Microarray analyses...

10.1186/1471-2164-11-474 article EN cc-by BMC Genomics 2010-01-01

The transition period is defined as the 6–8 weeks encompassing late pregnancy and early lactation, involving coordinated changes across multiple tissues an enormous increase in nutrient requirements. Failure to successfully can result reduced DM intake, milk production, delayed oestrus, failure conceive increased incidence of metabolic infectious diseases, many which are inter-related. Modern technologies have enabled measurement transcriptional genes involved biochemical pathways period,...

10.1071/an12293 article EN Animal Production Science 2013-01-01

Unidentified constituents in fresh pasture increase milk fat cis -9, trans -11 conjugated linoleic acid (CLA) concentration, and prevent depression, even though ruminal conditions conducive to reducing synthesis exist. One possible explanation is vitamin E (α-tocopherol), a constituent high pasture, but naturally low conserved/dried forages cereal grains. Twenty late-lactating dairy cows previously consuming total mixed ration (TMR) were randomly allocated one of two dietary treatments for...

10.1017/s0022029905000944 article EN Journal of Dairy Research 2005-05-09
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