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Takashi Shimizu

Takashi Shimizu

Yamaguchi University
Japan

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Animal Science and Veterinary
Japan
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Animal Science and Veterinary 43 967 894 10 9 137 4906

Takashi Shimizu publications per year

The chart shows the history of publications by Takashi Shimizu between 1991 and 2023, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Takashi Shimizu published across 33 years, from 1991 to 2023, averaging 5.1 papers a year. Output peaked at 22 publications in 2007. 2 of the 167 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1991 to 2023. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2007. 1991: 1 publication 1992: 0 publications 1993: 1 publication 1994: 1 publication 1995: 1 publication 1996: 3 publications 1997: 0 publications 1998: 1 publication 1999: 2 publications 2000: 0 publications 2001: 1 publication 2002: 2 publications 2003: 3 publications 2004: 3 publications 2005: 5 publications 2006: 7 publications 2007: 22 publications 2008: 12 publications 2009: 5 publications 2010: 8 publications 2011: 14 publications 2012: 19 publications 2013: 9 publications 2014: 13 publications 2015: 4 publications 2016: 12 publications 2017: 8 publications 2018: 6 publications 2019: 1 publication 2020: 1 publication 2021: 0 publications 2022: 0 publications 2023: 2 publications
1991 2023

167 publications in total across all disciplines

View publications per year as a table
Takashi Shimizu: publications per year, 1991 to 2023
Year Publications
1991 1
1992 0
1993 1
1994 1
1995 1
1996 3
1997 0
1998 1
1999 2
2000 0
2001 1
2002 2
2003 3
2004 3
2005 5
2006 7
2007 22
2008 12
2009 5
2010 8
2011 14
2012 19
2013 9
2014 13
2015 4
2016 12
2017 8
2018 6
2019 1
2020 1
2021 0
2022 0
2023 2
Total 167
Download as CSV

Takashi Shimizu publications per year - data summary

  • Takashi Shimizu, a Animal Science and Veterinary scholar from Yamaguchi University, has 167 publications recorded across 33 years, from 1991 to 2023.
  • The oldest publication on record dates to 1991 and the most recent to 2023.
  • The most productive year is 2007, with 22 publications.
  • The least productive years with any output are 1991, 1993, 1994, 1995 and others, with 1 publication each.
  • 5 of the 33 years in the span carry no publications at all (1992, 1997, 2000, 2021 and others).
  • The rate of publication averages 5.1 papers per year over the whole span, or 6.0 per year counting only the 28 years with at least one publication.
  • The last 5 years on the chart (2019-2023) hold 4 publications, 2% of the career total.
  • Split into equal eras - 1991-2001: 11 publications (1.0 per year); 2002-2012: 100 publications (9.1 per year); 2013-2023: 56 publications (5.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Takashi Shimizu publication distribution in Animal Science and Veterinary in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Animal Science and Veterinary in 2026. The highlighted bar marks where Takashi Shimizu sits on this spectrum.

No. of scientists
25 50 75 100
Bar chart with 84 bars. Horizontal axis: publications, 29–33 to 442+. Vertical axis: number of scientists, 0 to 109. Most scientists, 109, have 119–123 publications. The last bar groups every scientist with 442 publications or more. The highlighted bar, 134–138 publications, is where this scientist sits. 29–33 publications: 1 scientist 34–38 publications: 6 scientists 39–43 publications: 17 scientists 44–48 publications: 23 scientists 49–53 publications: 28 scientists 54–58 publications: 44 scientists 59–63 publications: 66 scientists 64–68 publications: 75 scientists 69–73 publications: 71 scientists 74–78 publications: 85 scientists 79–83 publications: 108 scientists 84–88 publications: 105 scientists 89–93 publications: 84 scientists 94–98 publications: 103 scientists 99–103 publications: 97 scientists 104–108 publications: 95 scientists 109–113 publications: 89 scientists 114–118 publications: 88 scientists 119–123 publications: 109 scientists 124–128 publications: 93 scientists 129–133 publications: 89 scientists 134–138 publications: 95 scientists 139–143 publications: 92 scientists 144–148 publications: 80 scientists 149–153 publications: 75 scientists 154–158 publications: 74 scientists 159–163 publications: 67 scientists 164–168 publications: 53 scientists 169–173 publications: 62 scientists 174–178 publications: 63 scientists 179–183 publications: 50 scientists 184–188 publications: 55 scientists 189–193 publications: 50 scientists 194–198 publications: 27 scientists 199–203 publications: 44 scientists 204–208 publications: 31 scientists 209–213 publications: 28 scientists 214–218 publications: 38 scientists 219–223 publications: 33 scientists 224–228 publications: 36 scientists 229–233 publications: 29 scientists 234–238 publications: 35 scientists 239–243 publications: 23 scientists 244–248 publications: 24 scientists 249–253 publications: 29 scientists 254–258 publications: 28 scientists 259–263 publications: 21 scientists 264–268 publications: 25 scientists 269–273 publications: 11 scientists 274–278 publications: 18 scientists 279–283 publications: 13 scientists 284–288 publications: 18 scientists 289–293 publications: 10 scientists 294–298 publications: 12 scientists 299–303 publications: 11 scientists 304–308 publications: 15 scientists 309–313 publications: 14 scientists 314–318 publications: 14 scientists 319–323 publications: 8 scientists 324–328 publications: 8 scientists 329–333 publications: 13 scientists 334–338 publications: 14 scientists 339–343 publications: 13 scientists 344–348 publications: 10 scientists 349–353 publications: 11 scientists 354–358 publications: 5 scientists 359–363 publications: 8 scientists 364–368 publications: 8 scientists 369–373 publications: 6 scientists 374–378 publications: 7 scientists 379–383 publications: 8 scientists 384–388 publications: 3 scientists 389–393 publications: 4 scientists 394–398 publications: 5 scientists 399–403 publications: 8 scientists 404–408 publications: 5 scientists 409–413 publications: 4 scientists 414–418 publications: 3 scientists 419–423 publications: 8 scientists 424–428 publications: 5 scientists 429–433 publications: 3 scientists 434–438 publications: 5 scientists 439–441 publications: 5 scientists 442+ publications: 99 scientists
29–33 publications 442+

This scientist: 137 publications — 49th percentile

49% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 442 publications or more.

View publications distribution as a table
Number of Animal Science and Veterinary scientists by publication count, Research.com 2026 ranking edition. Based on 3,155 ranked scientists.
Publications Scientists This scientist
29–33 1
34–38 6
39–43 17
44–48 23
49–53 28
54–58 44
59–63 66
64–68 75
69–73 71
74–78 85
79–83 108
84–88 105
89–93 84
94–98 103
99–103 97
104–108 95
109–113 89
114–118 88
119–123 109
124–128 93
129–133 89
134–138 95 137
139–143 92
144–148 80
149–153 75
154–158 74
159–163 67
164–168 53
169–173 62
174–178 63
179–183 50
184–188 55
189–193 50
194–198 27
199–203 44
204–208 31
209–213 28
214–218 38
219–223 33
224–228 36
229–233 29
234–238 35
239–243 23
244–248 24
249–253 29
254–258 28
259–263 21
264–268 25
269–273 11
274–278 18
279–283 13
284–288 18
289–293 10
294–298 12
299–303 11
304–308 15
309–313 14
314–318 14
319–323 8
324–328 8
329–333 13
334–338 14
339–343 13
344–348 10
349–353 11
354–358 5
359–363 8
364–368 8
369–373 6
374–378 7
379–383 8
384–388 3
389–393 4
394–398 5
399–403 8
404–408 5
409–413 4
414–418 3
419–423 8
424–428 5
429–433 3
434–438 5
439–441 5
442+ 99
Download as CSV

Takashi Shimizu publication distribution in Animal Science and Veterinary in 2026 - data summary

  • The chart plots the publication count of all 3,155 Animal Science and Veterinary scientists ranked by Research.com in 2026, grouped into 84 ranges running from 29–33 to 442+ publications.
  • Takashi Shimizu, a Animal Science and Veterinary scholar from Yamaguchi University, records 137 publications - the 49th percentile of the discipline.
  • 49% of ranked Animal Science and Veterinary scientists score the same or lower than Takashi Shimizu, and about 51% score higher.
  • The median of the discipline falls in the 139–143 publications range, and Takashi Shimizu ranks below the median.
  • The most crowded range is 119–123 publications, holding 109 scientists (3% of the field).
  • 47% of the field sits in the lowest quarter of the value range (up to 129–133 publications), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 442 publications or more, 99 scientists in all (3% of the field).

Takashi Shimizu D-index placement in Animal Science and Veterinary in 2026

The chart shows the D-index (discipline H-index) distribution of Animal Science and Veterinary scientists ranked by Research.com in 2026. The highlighted bar marks where Takashi Shimizu sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 58 bars. Horizontal axis: D-Index, 20 to 77+. Vertical axis: number of scientists, 0 to 158. Most scientists, 158, have 31 D-Index. The last bar groups every scientist with 77 D-Index or more. The highlighted bar, 43 D-Index, is where this scientist sits. 20 D-Index: 5 scientists 21 D-Index: 22 scientists 22 D-Index: 31 scientists 23 D-Index: 44 scientists 24 D-Index: 53 scientists 25 D-Index: 66 scientists 26 D-Index: 80 scientists 27 D-Index: 101 scientists 28 D-Index: 106 scientists 29 D-Index: 116 scientists 30 D-Index: 154 scientists 31 D-Index: 158 scientists 32 D-Index: 143 scientists 33 D-Index: 137 scientists 34 D-Index: 126 scientists 35 D-Index: 134 scientists 36 D-Index: 112 scientists 37 D-Index: 115 scientists 38 D-Index: 105 scientists 39 D-Index: 111 scientists 40 D-Index: 107 scientists 41 D-Index: 87 scientists 42 D-Index: 74 scientists 43 D-Index: 62 scientists 44 D-Index: 61 scientists 45 D-Index: 41 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 40 scientists 51 D-Index: 34 scientists 52 D-Index: 33 scientists 53 D-Index: 43 scientists 54 D-Index: 16 scientists 55 D-Index: 32 scientists 56 D-Index: 21 scientists 57 D-Index: 18 scientists 58 D-Index: 28 scientists 59 D-Index: 33 scientists 60 D-Index: 17 scientists 61 D-Index: 21 scientists 62 D-Index: 18 scientists 63 D-Index: 21 scientists 64 D-Index: 9 scientists 65 D-Index: 20 scientists 66 D-Index: 11 scientists 67 D-Index: 16 scientists 68 D-Index: 12 scientists 69 D-Index: 17 scientists 70 D-Index: 13 scientists 71 D-Index: 15 scientists 72 D-Index: 11 scientists 73 D-Index: 11 scientists 74 D-Index: 14 scientists 75 D-Index: 5 scientists 76 D-Index: 6 scientists 77+ D-Index: 100 scientists
20 D-Index 77+

This scientist: 43 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 77 D-Index or more.

View D-Index distribution as a table
Number of Animal Science and Veterinary scientists by D-index, Research.com 2026 ranking edition. Based on 3,155 ranked scientists.
D-Index Scientists This scientist
20 5
21 22
22 31
23 44
24 53
25 66
26 80
27 101
28 106
29 116
30 154
31 158
32 143
33 137
34 126
35 134
36 112
37 115
38 105
39 111
40 107
41 87
42 74
43 62 43
44 61
45 41
46 51
47 43
48 28
49 47
50 40
51 34
52 33
53 43
54 16
55 32
56 21
57 18
58 28
59 33
60 17
61 21
62 18
63 21
64 9
65 20
66 11
67 16
68 12
69 17
70 13
71 15
72 11
73 11
74 14
75 5
76 6
77+ 100
Download as CSV

Takashi Shimizu D-index placement in Animal Science and Veterinary in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 3,155 Animal Science and Veterinary scientists ranked by Research.com in 2026, grouped into 58 ranges running from 20 to 77+ D-Index.
  • Takashi Shimizu, a Animal Science and Veterinary scholar from Yamaguchi University, records 43 D-Index - the 71st percentile of the discipline.
  • 71% of ranked Animal Science and Veterinary scientists score the same or lower than Takashi Shimizu, and about 29% score higher.
  • The median of the discipline falls in the 36 D-Index range, and Takashi Shimizu ranks above the median.
  • The most crowded range is 31 D-Index, holding 158 scientists (5% of the field).
  • 43% of the field sits in the lowest quarter of the value range (up to 34 D-Index), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 77 D-Index or more, 100 scientists in all (3% of the field).

Research.com Recognitions

  • 2026 - Research.com Animal Science and Veterinary in Japan Leader Award

Best Publications

  • Antimicrobial Activity and Stability to Proteolysis of Small Linear Cationic Peptides with D‐Amino Acid Substitutions

    Unknown

  • Relationship between metabolic hormones and ovulation of dominant follicle during the first follicular wave post-partum in high-producing dairy cows.

    Unknown

  • Triacylated lipoproteins derived from Mycoplasma pneumoniae activate nuclear factor-κB through toll-like receptors 1 and 2

    Unknown

  • Ureaplasma parvum lipoproteins, including MB antigen, activate NF-κB through TLR1, TLR2 and TLR6

    Unknown

  • Alterations in follicular dynamics and steroidogenic abilities induced by heat stress during follicular recruitment in goats

    Unknown

  • Lipopolysaccharide in ovarian follicular fluid influences the steroid production in large follicles of dairy cows.

    Unknown

  • Effect of local neutralization of basic fibroblast growth factor or vascular endothelial growth factor by a specific antibody on the development of the corpus luteum in the cow.

    Hiromichi Yamashita;Daichi Kamada;Koumei Shirasuna;Motozumi Matsui

  • Novel bacterial lipoprotein structures conserved in low-GC content gram-positive bacteria are recognized by Toll-like receptor 2.

    Kenji Kurokawa;Kyoung-Hwa Ryu;Rie Ichikawa;Akiko Masuda

  • A Triacylated Lipoprotein from Mycoplasma genitalium Activates NF-κB through Toll-Like Receptor 1 (TLR1) and TLR2

    Unknown

  • Involvement of insulin and growth hormone (GH) during follicular development in the bovine ovary.

    Unknown

  • Upregulation of interferon-stimulated genes and interleukin-10 in peripheral blood immune cells during early pregnancy in dairy cows.

    Unknown

  • Evidence that polymorphonuclear neutrophils infiltrate into the developing corpus luteum and promote angiogenesis with interleukin-8 in the cow

    Unknown

  • Mycoplasma pneumoniae-Derived Lipopeptides Induce Acute Inflammatory Responses in the Lungs of Mice

    Unknown

  • Sperm Binding to Oviduct Epithelial Cells Enhances TGFB1 and IL10 Expressions in Epithelial Cells as Well as Neutrophils In Vitro: Prostaglandin E2 As a Main Regulator of Anti-Inflammatory Response in the Bovine Oviduct

    Unknown

  • Actions and interactions of progesterone and estrogen on transcriptome profiles of the bovine endometrium

    Takashi Shimizu;Stefan Krebs;Stefan Bauersachs;Helmut Blum

  • Vascular and immune regulation of corpus luteum development, maintenance, and regression in the cow

    Unknown

  • Effect of lipopolysaccharide on developmental competence of oocytes.

    Unknown

  • Oviduct epithelium induces interferon-tau in bovine Day-4 embryos, which generates an anti-inflammatory response in immune cells

    Unknown

  • Lipopolysaccharide (LPS) Inhibits Steroid Production in Theca Cells of Bovine Follicles In Vitro: Distinct Effect of LPS on Theca Cell Function in Pre- and Post-selection Follicles

    Unknown

  • Nutritional factors that regulate ovulation of the dominant follicle during the first follicular wave postpartum in high-producing dairy cows.

    Unknown

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Related Online Degrees & Career Pathways

For those interested in Animal Science and Veterinary careers, exploring related online degrees can open new professional opportunities. Many students pursue specialized certifications and degrees that complement their expertise in animal care, behavior, and wellness.

Programs such as bcba programs offer training in behavior analysis, which is valuable when working with animal behavior modification and welfare. Understanding psychological principles can enhance how professionals approach animal training and rehabilitation.

Additionally, mental health can be an important aspect of veterinary care settings. Courses like online psyd programs accredited by apa prepare students for clinical roles that support both human and animal health environments, emphasizing psychological well-being in veterinary contexts.

Students interested in school and community interventions may consider nasp accredited online school psychology programs, which provide training in behavioral science that is transferable to animal-assisted programs within educational settings.

Finally, recognizing the impact of addiction and stress on pet owners, professionals can benefit from credentials such as those offered through online addiction counseling degree programs, equipping them to support clients holistically alongside veterinary care.

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