J.R. Roche

10.6k total citations · 1 hit paper
211 papers, 8.2k citations indexed

About

J.R. Roche is a scholar working on Agronomy and Crop Science, Genetics and Animal Science and Zoology. According to data from OpenAlex, J.R. Roche has authored 211 papers receiving a total of 8.2k indexed citations (citations by other indexed papers that have themselves been cited), including 164 papers in Agronomy and Crop Science, 90 papers in Genetics and 28 papers in Animal Science and Zoology. Recurrent topics in J.R. Roche's work include Reproductive Physiology in Livestock (142 papers), Ruminant Nutrition and Digestive Physiology (99 papers) and Genetic and phenotypic traits in livestock (88 papers). J.R. Roche is often cited by papers focused on Reproductive Physiology in Livestock (142 papers), Ruminant Nutrition and Digestive Physiology (99 papers) and Genetic and phenotypic traits in livestock (88 papers). J.R. Roche collaborates with scholars based in New Zealand, Australia and United States. J.R. Roche's co-authors include D.P. Berry, J.K. Kay, K.A. Macdonald, S. Meier, E.S. Kolver, C.R. Burke, N.C. Friggens, Kevin J. Stafford, Murray D. Mitchell and M. W. Fisher and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Scientific Reports.

In The Last Decade

J.R. Roche

206 papers receiving 7.8k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Invited review: Body condition score and its association with dairy cow productivity, health, and welfare

2009 889 citations J.R. Roche, J.K. Kay et al. Journal of Dairy Science profile →

Peers

Countries citing papers authored by J.R. Roche

Since Specialization

Citations

This map shows the geographic impact of J.R. Roche's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by J.R. Roche with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J.R. Roche more than expected).

Fields of papers citing papers by J.R. Roche

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J.R. Roche. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by J.R. Roche. The network helps show where J.R. Roche may publish in the future.

Co-authorship network of co-authors of J.R. Roche

This figure shows the co-authorship network connecting the top 25 collaborators of J.R. Roche. A scholar is included among the top collaborators of J.R. Roche based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with J.R. Roche. J.R. Roche is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Investigating the epidemiology of hyperketonemia in grazing dairy cows in early lactation: Incidence, prevalence, and time to resolution of hyperketonemia 2025 ·Journal of Dairy Science ·(unknown), J.R. Roche, J.A.A. McArt, T Grala, Sally-Anne Turner, C.R. Burke, B. Kuhn‐Sherlock, C.V.C. Phyn	1
2	Individualised feeding of concentrate supplement according to milk yield did not increase milk production in pasture-grazed cows near peak lactation 2024 ·New Zealand Journal of Agricultural Research ·B. T. Dela Rue, J.K. Kay, J.R. Roche, Callum Eastwood	0
3	Specificity of 2 peripartum blood markers for early-lactation acute uterine inflammation in pasture-fed, seasonal-calving dairy cows 2024 ·SHILAP Revista de lepidopterología ·(unknown), J.R. Roche, C.R. Burke, C.V.C. Phyn, S McDougall, (unknown), B. Kuhn‐Sherlock, Anthony J. Hickey, Axel Heiser, M.A. Crookenden	0
4	Farm systems research at Ruakura – a 60‐year legacy underpinning profitable and sustainable pasture‐based dairy systems 2023 ·New Zealand Journal of Agricultural Research ·K.A. Macdonald, J.R. Roche	8
5	The effect of prepartum synthetic zeolite supplementation on the eating, lying and activity behaviours of grazing dairy cows 2023 ·New Zealand Journal of Agricultural Research ·(unknown), (unknown), J.R. Roche, D. J. Donaghy, B. Dela Rue, B. Kuhn‐Sherlock, C.V.C. Phyn	2
6	Transition Management in Grazing Systems: Pragmatism Before Precision 2023 ·Veterinary Clinics of North America Food Animal Practice ·J.R. Roche	4
7	Supplementation of urea to a basal pasture diet fed to dairy cows to model N-partitioning relationships 2020 ·SHILAP Revista de lepidopterología ·(unknown), N. López‐Villalobos, A.J. Sheahan, D. J. Donaghy, J.R. Roche	1
8	Plasma exosome profiles from dairy cows with divergent fertility phenotypes 2016 ·Journal of Dairy Science ·Murray D. Mitchell, Katherin Scholz‐Romero, Sarah Reed, Hassendrini N. Peiris, Yong Qin Koh, S. Meier, Caroline Walker, C.R. Burke, J.R. Roche, Gregory E. Rice, Carlos Salomón	24
9	Grazing dairy cows had decreased interferon-γ, tumor necrosis factor, and interleukin-17, and increased expression of interleukin-10 during the first week after calving 2014 ·Journal of Dairy Science ·Axel Heiser, A.R. McCarthy, D. Neil Wedlock, S. Meier, J.K. Kay, Caroline Walker, M.A. Crookenden, Murray D. Mitchell, (unknown), (unknown), Juan J. Loor, J.R. Roche	38
10	Calving body condition score affects indicators of health in grazing dairy cows 2013 ·Journal of Dairy Science ·J.R. Roche, K.A. Macdonald, Karin E. Schütz, Lisa Matthews, G.A. Verkerk, S. Meier, Juan J. Loor, A. Rogers, (unknown), (unknown), (unknown), James R. Webster	84
11	Short communication: Effects of dietary nonstructural carbohydrates pre- and postpartum on reproduction of grazing dairy cows 2010 ·Journal of Dairy Science ·C.R. Burke, J.K. Kay, C.V.C. Phyn, S. Meier, (unknown), J.R. Roche	14
12	Characterisation of phosphorus uptake by perennial ryegrass (Lolium perenne L.) during regrowth 2009 ·New Zealand Journal of Agricultural Research ·LL Burkitt, LR Turner, D. J. Donaghy, WJ Fulkerson, P. J. Smethurst, J.R. Roche	3
13	Comparing subpopulations of plasma progesterone using cluster analyses 2009 ·Journal of Dairy Science ·S. Meier, J.R. Roche, E.S. Kolver, G.A. Verkerk, R.C. Boston	11
14	Invited Review: New Perspectives on the Roles of Nutrition and Metabolic Priorities in the Subfertility of High-Producing Dairy Cows 2007 ·Journal of Dairy Science ·L.M. Chagas, J. J. Bass, Dominique Blache, C.R. Burke, J.K. Kay, D. R. Lindsay, M.C. Lucy, Graeme B. Martin, S. Meier, F.M. Rhodes, J.R. Roche, W.W. Thatcher, R. Webb	259
15	Pre-Conception Energy Balance and Secondary Sex Ratio—Partial Support for the Trivers-Willard Hypothesis in Dairy Cows 2006 ·Journal of Dairy Science ·J.R. Roche, (unknown), D.P. Berry	56
16	Transcriptome analysis reveals season‐specific rbcS gene expression profiles in diploid perennial ryegrass (Lolium perenne L.) 2006 ·Plant Biotechnology Journal ·Puthigae Sathish, Nimali P. Withana, Margaret Biswas, (unknown), Kerry Templeton, (unknown), (unknown), J.R. Roche, Kieran Elborough, Jonathan Phillips	15
17	Dietary Cation-Anion Difference and the Health and Production of Pasture-Fed Dairy Cows 2. Nonlactating Periparturient Cows 2003 ·Journal of Dairy Science ·J.R. Roche, D. E. Dalley, Peter J. Moate, C. Grainger, M. Rath, F.P. O’Mara	49
18	The effect of grazing intensity in late summer/autumn on sward characteristics and milk production of spring-calving dairy cows 1998 ·Irish Journal of Agricultural and Food Research ·(unknown), S. Crosse, J.R. Roche	10
19	The Effect of Closing Date of Pasture in Autumn and Turnout Date in Spring on Sward Characteristics, Dry Matter Yield and Milk Production of Spring-Calving Dairy Cows 1996 ·Irish Journal of Agricultural and Food Research ·J.R. Roche, P. Dillon, S. Crosse, M. Rath	38
20	IMPROVED RESULTS IN COMBINATION CHEMOTHERAPY OF HEAD AND NECK CANCER 1977 ·UCL Discovery (University College London) ·(unknown), (unknown), AH Calvert, J.R. Roche, (unknown)	2

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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