D. J. Napper

980 total citations
17 papers, 805 citations indexed

About

D. J. Napper is a scholar working on Agronomy and Crop Science, Genetics and Pulmonary and Respiratory Medicine. According to data from OpenAlex, D. J. Napper has authored 17 papers receiving a total of 805 indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Agronomy and Crop Science, 10 papers in Genetics and 3 papers in Pulmonary and Respiratory Medicine. Recurrent topics in D. J. Napper's work include Ruminant Nutrition and Digestive Physiology (10 papers), Reproductive Physiology in Livestock (10 papers) and Genetic and phenotypic traits in livestock (9 papers). D. J. Napper is often cited by papers focused on Ruminant Nutrition and Digestive Physiology (10 papers), Reproductive Physiology in Livestock (10 papers) and Genetic and phenotypic traits in livestock (9 papers). D. J. Napper collaborates with scholars based in United States, United Kingdom and China. D. J. Napper's co-authors include John Sutton, S. V. Morant, M.S. Dhanoa, E Schuller, J. France, J. A. Bines, W. H. Broster, J. D. Oldham, Tim Smith and Krishna Yanamandra and has published in prestigious journals such as Journal of Dairy Science, British Journal Of Nutrition and Animal Feed Science and Technology.

In The Last Decade

D. J. Napper

17 papers receiving 716 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
D. J. Napper United States 15 657 381 125 76 59 17 805
Marcelo Teixeira Rodrigues Brazil 18 557 0.8× 465 1.2× 253 2.0× 55 0.7× 14 0.2× 99 1.1k
A.T. van 't Klooster Netherlands 13 532 0.8× 216 0.6× 216 1.7× 161 2.1× 69 1.2× 42 886
B.K. Sharma United States 18 735 1.1× 365 1.0× 118 0.9× 43 0.6× 14 0.2× 28 1.0k
B.W. Jesse United States 16 494 0.8× 188 0.5× 84 0.7× 78 1.0× 26 0.4× 21 778
A. Danfær Denmark 16 546 0.8× 310 0.8× 198 1.6× 66 0.9× 30 0.5× 39 790
C. Fraser United Kingdom 22 1.1k 1.6× 604 1.6× 374 3.0× 150 2.0× 60 1.0× 43 1.4k
K.C. Bachman United States 17 600 0.9× 373 1.0× 319 2.6× 87 1.1× 11 0.2× 32 808
J. Lefaivre France 13 248 0.4× 85 0.2× 73 0.6× 100 1.3× 16 0.3× 51 569
C.M. Ryan United States 14 444 0.7× 192 0.5× 129 1.0× 27 0.4× 51 0.9× 21 693
F. Meschy France 12 371 0.6× 137 0.4× 96 0.8× 63 0.8× 69 1.2× 25 490

Countries citing papers authored by D. J. Napper

Since Specialization
Citations

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

Fields of papers citing papers by D. J. Napper

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of D. J. Napper

This figure shows the co-authorship network connecting the top 25 collaborators of D. J. Napper. A scholar is included among the top collaborators of D. J. Napper 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 D. J. Napper. D. J. Napper is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

17 of 17 papers shown
1.
Sankararaman, Senthilkumar, Krishna Yanamandra, D. J. Napper, Gloria Caldito, & Ramasubbareddy Dhanireddy. (2013). The prevalence of platelet activating factor acetylhydrolase single nucleotide polymorphisms in relationship to necrotizing enterocolitis in Northwest Louisiana infants. SpringerPlus. 2(1). 294–294. 12 indexed citations
2.
Yanamandra, Krishna, D. J. Napper, Sabyasachi Pramanik, Joseph A. Bocchini, & Ramasubbareddy Dhanireddy. (2010). Endothelial Nitric Oxide Synthase genotypes in the etiology of retinopathy of prematurity in premature infants. Ophthalmic Genetics. 31(4). 173–177. 20 indexed citations
3.
Vannemreddy, Prasad, Christina Notarianni, Krishna Yanamandra, D. J. Napper, & Joseph A. Bocchini. (2009). Is an endothelial nitric oxide synthase gene mutation a risk factor in the origin of intraventricular hemorrhage?. Neurosurgical FOCUS. 28(1). E11–E11. 16 indexed citations
4.
Yanamandra, Krishna, et al.. (2005). Association of IL-13, RANTES, and leukotriene C4 synthase gene promoter polymorphisms with asthma and/or atopy in African Americans. Genetics in Medicine. 7(6). 406–410. 35 indexed citations
5.
Sutton, John, M.S. Dhanoa, S. V. Morant, et al.. (2003). Rates of Production of Acetate, Propionate, and Butyrate in the Rumen of Lactating Dairy Cows Given Normal and Low-Roughage Diets. Journal of Dairy Science. 86(11). 3620–3633. 236 indexed citations
6.
Yanamandra, Krishna, et al.. (2000). Prevalence of Methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism in Northwest Louisiana newborn population. Genetics in Medicine. 2(1). 113–113. 1 indexed citations
7.
McAllan, A. B., John Sutton, D. E. Beever, & D. J. Napper. (1994). Rumen fermentation characteristics and duodenal nutrient flow in lactating cows receiving two types of grass silage with two levels of concentrates. Animal Feed Science and Technology. 46(3-4). 277–291. 24 indexed citations
8.
Sutton, John, S. V. Morant, J. A. Bines, D. J. Napper, & D.I. Givens. (1993). Effect of altering the starch: fibre ratio in the concentrates on hay intake and milk production by Friesian cows. The Journal of Agricultural Science. 120(3). 379–390. 32 indexed citations
9.
Metcalf, J.A., John Sutton, J. E. Cockburn, D. J. Napper, & D. E. Beever. (1991). The Influence of Insulin and Amino Acid Supply on Amino Acid Uptake by the Lactating Bovine Mammary Gland. Journal of Dairy Science. 74(10). 3412–3420. 48 indexed citations
10.
Gasa, J., K. Holtenius, John Sutton, M.S. Dhanoa, & D. J. Napper. (1991). Rumen fill and digesta kinetics in lactating Friesian cows given two levels of concentrates with two types of grass silage ad lib. British Journal Of Nutrition. 66(3). 381–398. 60 indexed citations
11.
Bines, J. A., W. H. Broster, John Sutton, et al.. (1988). Effect of amount consumed and diet composition on the apparent digestibility of feed in cattle and sheep. The Journal of Agricultural Science. 110(2). 249–259. 23 indexed citations
12.
Sutton, John, W. H. Broster, E Schuller, et al.. (1988). Influence of plane of nutrition and diet composition on rumen fermentation and energy utilization by dairy cows. The Journal of Agricultural Science. 110(2). 261–270. 43 indexed citations
13.
Sutton, John, et al.. (1987). A comparison of starchy and fibrous concentrates for milk production, energy utilization and hay intake by Friesian cows. The Journal of Agricultural Science. 109(2). 375–386. 89 indexed citations
14.
Broster, W. H., John Sutton, J. A. Bines, et al.. (1985). The influence of plane of nutrition and diet composition on the performance of dairy cows. The Journal of Agricultural Science. 104(3). 535–557. 37 indexed citations
15.
Oldham, J. D., D. J. Napper, Tim Smith, & Rosemary J. Fulford. (1985). Performance of dairy cows offered isonitrogenous diets containing urea or fishmeal in early and in mid-lactation. British Journal Of Nutrition. 53(2). 337–345. 40 indexed citations
16.
Sutton, John, et al.. (1985). Feeding frequency for lactating cows: effects on digestion, milk production and energy utilization. British Journal Of Nutrition. 53(1). 117–130. 44 indexed citations
17.
Oldham, J. D., et al.. (1979). The effect of a low-protein ration on milk yield and plasma metabolites in Friesian heifers during early lactation. British Journal Of Nutrition. 42(1). 149–162. 45 indexed citations

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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