J.A. Metcalf

1.4k citations

47 papers · 1.2k indexed · h-index 24

Impact in

Agronomy and Crop Science top 0.5%
- Ruminant Nutrition and Digestive Physiology
- Reproductive Physiology in Livestock
- Milk Quality and Mastitis in Dairy Cows
Small Animals top 1%
- Animal Behavior and Welfare Studies
- Animal health and immunology

Papers in

Agronomy and Crop Science 25
- Ruminant Nutrition and Digestive Physiology 21
- Reproductive Physiology in Livestock 15
Animal Science and Zoology 9
- Meat and Animal Product Quality 6

Co-authors: John Sutton B.J. Bequette F.R.C. Backwell G. E. Lobley John Doelman J.C. MacRae Diane Wray‐Cahen C. T. Livesey
Journals: Journal of Dairy Science (14 papers)Journal of Theoretical Biology (4 papers)Journal of Animal Science (3 papers)Veterinary Record (2 papers)Journal of Dairy Research (2 papers)
Partner nations: United Kingdom Canada China

In The Last Decade

J.A. Metcalf

46 papers receiving 1.1k citations

Peers

Countries citing papers authored by J.A. Metcalf

Since Specialization

Citations

This map shows the geographic impact of J.A. Metcalf'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.A. Metcalf with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J.A. Metcalf more than expected).

Fields of papers citing papers by J.A. Metcalf

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J.A. Metcalf. 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.A. Metcalf. The network helps show where J.A. Metcalf may publish in the future.

Co-authors

The 25 scholars most cited alongside J.A. Metcalf, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with J.A. Metcalf Line = papers co-authored together J.A. Metcalf links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Postruminal infusion of calcium gluconate increases milk fat production and alters fecal volatile fatty acid profile in lactating dairy cows Journal of Dairy Science ·John Doelman, Leslie L. McKnight, Huilin Huang, K. Nichols, D.F. Waterman, J.A. Metcalf	2018	17
2	Abrupt weaning reduces postweaning growth and is associated with alterations in gastrointestinal markers of development in dairy calves fed an elevated plane of nutrition during the preweaning period Journal of Dairy Science ·M.A. Steele, John Doelman, L.N. Leal, F. Soberon, Marianne Carson, J.A. Metcalf	2017	56
3	Exogenous essential amino acids stimulate an adaptive unfolded protein response in the mammary glands of lactating cows Journal of Dairy Science ·K. Nichols, John Doelman, Felipe da Cunha Carpes, Huilin Huang, J.A. Metcalf, J.P. Cant	2017	24
4	Branched-chain amino acid and lysine deficiencies exert different effects on mammary translational regulation Journal of Dairy Science ·John Doelman, Rona Maureen Cooper, Huilin Huang, J.A. Metcalf, J.P. Cant	2015	44
5	The influence of age and weaning on permeability of the gastrointestinal tract in Holstein bull calves Journal of Dairy Science ·Katharine M Wood, ROBERTA D. HUISMAN, M.A. Steele, J.A. Metcalf, G.B. Penner	2015	65
6	Technical note: Three-dimensional imaging of rumen tissue for morphometric analysis using micro-computed tomography Journal of Dairy Science ·M.A. Steele, Nguyen Khuyen, Mark Lowerison, Karen Gordon, J.A. Metcalf, Mark Hurtig	2014	12
7	The efficiency of conversion of metabolisable protein into milk true protein over a range of metabolisable protein intakes animal ·J.A. Metcalf, R J Mansbridge, Leticia Vicuña Redondo, Rodrigo Jiménez-Garcia, J.R. Newbold	2008	34
8	Modelling Mammary Metabolism in the Dairy Cow to Predict Milk Constituent Yield, with Emphasis on Amino Acid Metabolism and Milk Protein Production: Model Construction Journal of Theoretical Biology ·M.D. Hanigan, L.A. Crompton, J.A. Metcalf, J. France	2001	39
9	An Isotope Dilution Model for Partitioning Leucine Uptake by the Liver of the Lactating Dairy Cow Journal of Theoretical Biology ·J. France, M.D. Hanigan, C.K. Reynolds, J. Dijkstra, L.A. Crompton, Zhang Jianan, B.J. Bequette, J.A. Metcalf, G. E. Lobley, J.C. MacRae, D. E. Beever	1999	11
10	Application of a U-13C-Labeled Amino Acid Tracer in Lactating Dairy Goats for Simultaneous Measurements of the Flux of Amino Acids in Plasma and the Partition of Amino Acids to the Mammary Gland Journal of Dairy Science ·B.J. Bequette, F.R.C. Backwell, A. G. Calder, J.A. Metcalf, D. E. Beever, J.C. MacRae, G. E. Lobley	1997	24
11	The Effect of Dietary Crude Protein as Protected Soybean Meal on Mammary Metabolism in the Lactating Dairy Cow Journal of Dairy Science ·J.A. Metcalf, Diane Wray‐Cahen, V.H Soberanis, John Sutton, D. E. Beever, L.A. Crompton, J.C. MacRae, B.J. Bequette, F.R.C. Backwell	1996	45
12	Effect of Intravenous Amino Acid Infusion on Leucine Oxidation Across the Mammary Gland of the Lactating Goat Journal of Dairy Science ·B.J. Bequette, F.R.C. Backwell, J.C. MacRae, G. E. Lobley, L.A. Crompton, J.A. Metcalf, John Sutton	1996	60
13	Leucine and protein metabolism in the lactating dairy cow mammary gland: responses to supplemental dietary crude protein intake Journal of Dairy Research ·B.J. Bequette, J.A. Metcalf, Diane Wray‐Cahen, F.R.C. Backwell, John Sutton, Michael A. Lomax, John Macrae, G. E. Lobley	1996	54
14	Responses in Milk Constituents to Intravascular Administration of Two Mixtures of Amino Acids to Dairy Cows Journal of Dairy Science ·J.A. Metcalf, L.A. Crompton, Diane Wray‐Cahen, M. A. Lomax, John Sutton, D. E. Beever, J.C. MacRae, B.J. Bequette, F.R.C. Backwell, G. E. Lobley	1996	44
15	The Effect of Supplementary Protein on In Vivo Metabolism of the Mammary Gland in Lactating Dairy Cows Journal of Dairy Science ·J.A. Metcalf, D. E. Beever, John Sutton, Diane Wray‐Cahen, R. T. Evans, D.J. Humphries, F.R.C. Backwell, B.J. Bequette, J.C. MacRae	1994	39
16	Kinetics of blood free and milk casein-amino acid labelling in the dairy goat at two stages of lactation British Journal Of Nutrition ·B.J. Bequette, F.R.C. Backwell, M.S. Dhanoa, Kikky Indah Widhi, A. G. Calder, Diane Wray‐Cahen, J.A. Metcalf, John Sutton, D. E. Beever, G. E. Lobley, J.C. MacRae	1994	34
17	Variations in blood flow to and from the bovine mammary gland measured using transit time ultrasound and dye dilution Research in Veterinary Science ·J.A. Metcalf, Scott J. Roberts, John Sutton	1992	48
18	The Influence of Insulin and Amino Acid Supply on Amino Acid Uptake by the Lactating Bovine Mammary Gland Journal of Dairy Science ·J.A. Metcalf, John Sutton, J. E. Cockburn, D. J. Napper, D. E. Beever	1991	48
19	Insulin Binding to Skeletal Muscle Microsomes in Lactating and Dry Sheep Hormone and Metabolic Research ·J.A. Metcalf, Thomas K. McGraw, D. J. Flint, T. E. C. Weekes	1991	1
20	Effect of plane of nutrition on insulin sensitivity during lactation in the ewe Journal of Dairy Research ·J.A. Metcalf, T. E. C. Weekes	1990	24

About J.A. Metcalf

J.A. Metcalf is a scholar working on Agronomy and Crop Science, Animal Science and Zoology, Nutrition and Dietetics, Genetics and Equine, having authored 47 papers that have together received 1.2k indexed citations. Recurring topics across this work include Ruminant Nutrition and Digestive Physiology (21 papers), Reproductive Physiology in Livestock (15 papers), Genetic and phenotypic traits in livestock (11 papers), Muscle metabolism and nutrition (7 papers), Meat and Animal Product Quality (6 papers), Fatty Acid Research and Health (6 papers), Protein Hydrolysis and Bioactive Peptides (5 papers) and Infant Nutrition and Health (4 papers). The work is most often cited by research in Agronomy and Crop Science (698 citations), Small Animals (267 citations), Animal Science and Zoology (286 citations), Genetics (437 citations) and Cell Biology (203 citations). J.A. Metcalf has collaborated with scholars based in United Kingdom, Canada and China. Frequent co-authors include John Sutton, B.J. Bequette, F.R.C. Backwell, G. E. Lobley, John Doelman, J.C. MacRae, Diane Wray‐Cahen, C. T. Livesey, L.A. Crompton and J.P. Cant. Their work appears in journals such as Journal of Dairy Science, Journal of Theoretical Biology, Journal of Animal Science, Veterinary Record and Journal of Dairy Research.

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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