J.R. Roche

Ministry for Primary Industries — New Zealand

Agricultural and Biological Sciences · Life Sciences

53h-index10.6kcitations275works0.42yr avg
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Research Topics

Reproductive Physiology in Livestock(159), Ruminant Nutrition and Digestive Physiology(115), Genetic and phenotypic traits in livestock(100), Effects of Environmental Stressors on Livestock(29), Reproductive System and Pregnancy(27)

Publications275 total

Epichloë endophytes – underpinning sustainable food production from pastoral systems
NZGA Research and Practice Series·2025Open Access
Invited review: Cows grazing pastures containing narrow-leaved plantain have lower urine N concentrations—Implications for nitrate leaching
Journal of Dairy Science·2025Open Access
The effect of monopropylene glycol on milk production, uterine health, and reproductive performance in cows diagnosed with hyperketonemia on 3 pasture-based dairy farms
Journal of Dairy Science·2025Open Access
Investigating the epidemiology of hyperketonemia in grazing dairy cows in early lactation: Incidence, prevalence, and time to resolution of hyperketonemia
Journal of Dairy Science·2025· 2 citedOpen Access
Individualised feeding of concentrate supplement according to milk yield did not increase milk production in pasture-grazed cows near peak lactation
New Zealand Journal of Agricultural Research·2024
Specificity of 2 peripartum blood markers for early-lactation acute uterine inflammation in pasture-fed, seasonal-calving dairy cows
JDS Communications·2024· 1 citedOpen Access
Relative Energy Deficiency in Sports (RED-S)
Eating Disorders·2024
The effect of prepartum synthetic zeolite supplementation on the eating, lying and activity behaviours of grazing dairy cows
New Zealand Journal of Agricultural Research·2023· 2 citedOpen Access
LEFT BEHIND: UNRAVELING THE STORY OF AN ABANDONED CHILD - A NARRATIVE STUDY
SDSSU MULTIDISCIPLINARY RESEARCH JOURNAL·2023
RESHAPING LIFE: EMBRACING DIVERSITY IN SELF-EMPLOYMENT - A STUDY OF PERSONS WITH DISABILITIES IN URBAN SETTINGS
SDSSU MULTIDISCIPLINARY RESEARCH JOURNAL·2023
Addressing the diversity of visions of ecologization in research and in support to agroecological transitions
Agroecology and Sustainable Food Systems·2023· 6 citedOpen Access
Transition Management in Grazing Systems: Pragmatism Before Precision
Veterinary Clinics of North America Food Animal Practice·2023· 6 citedOpen Access
162 Specificity of circulating markers for uterine inflammation in pasture-fed, seasonal-calving dairy cows
Animal - science proceedings·2023· 1 cited
Farm systems research at Ruakura – a 60‐year legacy underpinning profitable and sustainable pasture‐based dairy systems
New Zealand Journal of Agricultural Research·2023· 9 cited
Effect of nonsteroidal anti-inflammatory drugs on the inflammatory response of bovine endometrial epithelial cells in vitro
Journal of Dairy Science·2023· 7 citedOpen Access
Relative Energy Deficiency in Sports (RED-S)
Eating Disorders·2023· 2 cited
Magination press author presentation, tummy troubles; Gretchen gets a GRIP on her fear of throwing up
PsycEXTRA Dataset·2023
Correction: Barnsley et al. Lifetime Climate Impacts of Diet Transitions: A Novel Climate Change Accounting Perspective. Sustainability 2021, 13, 5568
Sustainability·2022Open Access
Adaptive immune response ranking is associated with reproductive phenotypes in grazing dairy cows divergent in genetic merit for fertility traits
Journal of Dairy Science·2022· 6 citedOpen Access
Associations between peripartum lying and activity behaviour and blood non-esterified fatty acids and β-hydroxybutyrate in grazing dairy cows
animal·2022· 6 citedOpen Access
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Frequent Co-authors

D.P. Berry(14), K.A. Macdonald(14), J.K. Kay(10), S. Meier(10), Juan J. Loor(7), Murray D. Mitchell(7), C.R. Burke(6), E.S. Kolver(5), D. J. Donaghy(5), M.C. Lucy(4), J.W. Penno(4), Caroline Walker(4), Dominique Blache(3), P. Dillon(3), B. Horan(3), G.A. Verkerk(3), Lisa Matthews(3), Mathew D. Littlejohn(3), A. M. Bryant(3), C.V.C. Phyn(3)