D.A Hewitt

611 total citations
11 papers, 493 citations indexed

About

D.A Hewitt is a scholar working on Public Health, Environmental and Occupational Health, Reproductive Medicine and Small Animals. According to data from OpenAlex, D.A Hewitt has authored 11 papers receiving a total of 493 indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Public Health, Environmental and Occupational Health, 9 papers in Reproductive Medicine and 4 papers in Small Animals. Recurrent topics in D.A Hewitt's work include Reproductive Biology and Fertility (11 papers), Sperm and Testicular Function (9 papers) and Veterinary Medicine and Surgery (4 papers). D.A Hewitt is often cited by papers focused on Reproductive Biology and Fertility (11 papers), Sperm and Testicular Function (9 papers) and Veterinary Medicine and Surgery (4 papers). D.A Hewitt collaborates with scholars based in United Kingdom, Mexico and Belgium. D.A Hewitt's co-authors include Gary England, P.F. Watson, Ryan Leahy, I. Martin Sheldon, J. Verstegen and Nick Fletcher and has published in prestigious journals such as Theriogenology, Animal Reproduction Science and Veterinary Record.

In The Last Decade

D.A Hewitt

11 papers receiving 454 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
D.A Hewitt United Kingdom	10	452	396	96	75	46	11	493
José Luiz Rodrigues Brazil	13	408 0.9×	257 0.6×	110 1.1×	169 2.3×	25 0.5×	55	485
S. Chigioni Italy	8	258 0.6×	217 0.5×	51 0.5×	95 1.3×	23 0.5×	13	316
Cherrie Ann Mahi United States	7	553 1.2×	601 1.5×	100 1.0×	68 0.9×	26 0.6×	7	671
C.C. Love United States	13	401 0.9×	424 1.1×	100 1.0×	73 1.0×	15 0.3×	35	612
Digbo Bolamba United States	12	292 0.6×	222 0.6×	143 1.5×	66 0.9×	18 0.4×	18	440
Sylwia Prochowska Poland	12	257 0.6×	261 0.7×	60 0.6×	71 0.9×	17 0.4×	45	359
M. Jackowska Poland	12	245 0.5×	184 0.5×	67 0.7×	121 1.6×	13 0.3×	34	365
Herlon Victor Rodrigues Silva Brazil	11	147 0.3×	199 0.5×	55 0.6×	47 0.6×	36 0.8×	26	321
D.C. Kraemer United States	12	289 0.6×	203 0.5×	103 1.1×	55 0.7×	15 0.3×	37	373
J.K. Thibodeaux United States	12	306 0.7×	212 0.5×	109 1.1×	124 1.7×	13 0.3×	30	433

Countries citing papers authored by D.A Hewitt

Since Specialization

Citations

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

Fields of papers citing papers by D.A Hewitt

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of D.A Hewitt

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

All Works

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11 of 11 papers shown

1.

Hewitt, D.A, Ryan Leahy, I. Martin Sheldon, & Gary England. (2001). Cryopreservation of epididymal dog sperm. Animal Reproduction Science. 67(1-2). 101–111. 67 indexed citations

2.

England, Gary, D.A Hewitt, & J. Verstegen. (2001). Pregnancy following in vitro fertilisation of canine oocytes. Veterinary Record. 148(1). 20–22. 40 indexed citations

3.

Hewitt, D.A, Nick Fletcher, & Gary England. (2001). Test of canine sperm function in vitro using primary homologous oocytes with fluorescence and confocal microscopy.. PubMed. 57. 127–36. 3 indexed citations

4.

Hewitt, D.A & Gary England. (1999). Synthetic oviductal fluid and oviductal cell coculture for canine oocyte maturation in vitro. Animal Reproduction Science. 55(1). 63–75. 70 indexed citations

5.

Hewitt, D.A & Gary England. (1999). Influence of gonadotrophin supplementation on the in vitro maturation of bitch oocytes. Veterinary Record. 144(9). 237–239. 47 indexed citations

6.

Hewitt, D.A & Gary England. (1999). Culture conditions required to induce capacitation and the acrosome reaction of canine sperm in vitro. Veterinary Record. 144(1). 22–23. 10 indexed citations

7.

Hewitt, D.A & Gary England. (1998). An investigation of capacitation and the acrosome reaction in dog spermatozoa using a dual fluorescent staining technique. Animal Reproduction Science. 51(4). 321–332. 32 indexed citations

8.

Hewitt, D.A & Gary England. (1998). The effect of oocyte size and bitch age upon oocyte nuclear maturation in vitro. Theriogenology. 49(5). 957–966. 81 indexed citations

9.

Hewitt, D.A, P.F. Watson, & Gary England. (1998). Nuclear staining and culture requirements for in vitro maturation of domestic bitch oocytes. Theriogenology. 49(6). 1083–1101. 100 indexed citations

10.

Hewitt, D.A & Gary England. (1998). The canine oocyte penetration assay; its use as an indicator of dog spermatozoal performance in vitro. Animal Reproduction Science. 50(1-2). 123–139. 29 indexed citations

11.

Hewitt, D.A & Gary England. (1998). Incidence of oocyte nuclear maturation within the ovarian follicle of the bitch. Veterinary Record. 143(21). 590–591. 14 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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