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Rosangela Zacarias Machado

Rosangela Zacarias Machado

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Animal Science and Veterinary 45 811 746 16 16 345 7999

Rosangela Zacarias Machado publications per year

The chart shows the history of publications by Rosangela Zacarias Machado between 1993 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Rosangela Zacarias Machado published across 33 years, from 1993 to 2025, averaging 12.4 papers a year. Output peaked at 30 publications in 2019. 50 of the 408 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1993 to 2025. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2019. 1993: 1 publication 1994: 0 publications 1995: 1 publication 1996: 2 publications 1997: 0 publications 1998: 1 publication 1999: 3 publications 2000: 0 publications 2001: 3 publications 2002: 3 publications 2003: 1 publication 2004: 6 publications 2005: 6 publications 2006: 12 publications 2007: 4 publications 2008: 15 publications 2009: 23 publications 2010: 21 publications 2011: 19 publications 2012: 21 publications 2013: 10 publications 2014: 17 publications 2015: 22 publications 2016: 17 publications 2017: 22 publications 2018: 13 publications 2019: 30 publications 2020: 18 publications 2021: 25 publications 2022: 21 publications 2023: 21 publications 2024: 22 publications 2025: 28 publications
1993 2025

408 publications in total across all disciplines

View publications per year as a table
Rosangela Zacarias Machado: publications per year, 1993 to 2025
Year Publications
1993 1
1994 0
1995 1
1996 2
1997 0
1998 1
1999 3
2000 0
2001 3
2002 3
2003 1
2004 6
2005 6
2006 12
2007 4
2008 15
2009 23
2010 21
2011 19
2012 21
2013 10
2014 17
2015 22
2016 17
2017 22
2018 13
2019 30
2020 18
2021 25
2022 21
2023 21
2024 22
2025 28
Total 408
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Rosangela Zacarias Machado 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 Rosangela Zacarias Machado 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, 344–348 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: 345 publications — 93rd percentile

93% 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
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 10 345
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
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Rosangela Zacarias Machado 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 Rosangela Zacarias Machado 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, 45 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: 45 D-Index — 75th percentile

75% 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
44 61
45 41 45
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
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Overview

Rosangela Zacarias Machado is affiliated with Sao Paulo State University in Brazil. Their research contributions span a wide range of topics within immunology, microbiology, and medicine, with a particular concentration in parasitology and infectious diseases.

Their work focuses on the study of vector-borne infectious diseases, viral infections and vectors, vector-borne animal diseases, and Bartonella species infections. Additional research interests include rabies epidemiology and control, Yersinia bacterium, plague and ectoparasite studies, and investigations into Trypanosoma species and their implications.

Frequent co-authors of Rosangela Zacarias Machado include:

  • Marcos Rogério André
  • Ana Cláudia Calchi
  • Luiz Ricardo Gonçalves
  • Heitor Miraglia Herrera
  • Darci Moraes Barros-Battesti

Machado has published extensively in several scientific journals. The main publication venues include:

  • Revista Brasileira de Parasitologia Veterinária/Brazilian Journal of Veterinary Parasitology
  • Acta Tropica
  • Microorganisms
  • Pathogens
  • Parasitology Research

Among their recent papers are:

  • "Ehrlichia spp. and Anaplasma spp. in Xenarthra mammals from Brazil, with evidence of novel 'Candidatus Anaplasma spp.'" (2020) published in Scientific Reports
  • "Genetic diversity and Multilocus Sequence Typing Analysis of Bartonella henselae in domestic cats from Southeastern Brazil" (2021) published in Acta Tropica
  • "First molecular detection of piroplasmids in non-hematophagous bats from Brazil, with evidence of putative novel species" (2020) published in Parasitology Research
  • "Intra- and Inter-Host Assessment of Bartonella Diversity with Focus on Non-Hematophagous Bats and Associated Ectoparasites from Brazil" (2020) published in Microorganisms
  • "Molecular detection of piroplasmids in synanthropic rodents, marsupials, and associated ticks from Brazil, with phylogenetic inference of a putative novel Babesia sp. from white-eared opossum (Didelphis albiventris)" (2021) published in Parasitology Research

Best Publications

  • Experimental acute canine monocytic ehrlichiosis: clinicopathological and immunopathological findings.

    Márcio Botelho de Castro;Rosangela Zacarias Machado;Lucia Padilha Cury Tomaz de Aquino;Antonio Carlos Alessi

  • Canine ehrlichiosis: clinical, hematological, serological and molecular aspects

    Andréa Cristina Higa Nakaghi;Rosangela Zacarias Machado;Mirela Tinucci Costa;Marcos Rogério André

  • First report of Trypanosoma vivax outbreak in dairy cattle in São Paulo state, Brazil

    Fabiano Antonio Cadioli;Patrícia de Athayde Barnabé;Rosangela Zacarias Machado;Márcia Cristina Alves Teixeira

  • Toxoplasma gondii: comparison of a rhoptry-ELISA with IFAT and MAT for antibody detection in sera of experimentally infected pigs.

    João Luis Garcia;Italmar Teodorico Navarro;Odilon Vidotto;Solange Maria Gennari

  • Toxoplasma gondii: detection by mouse bioassay, histopathology, and polymerase chain reaction in tissues from experimentally infected pigs.

    João Luis Garcia;Solange Maria Gennari;Rosângela Zacarias Machado;Italmar Teodorico Navarro

  • The taxonomic and phylogenetic relationships of Trypanosoma vivax from South America and Africa

    AP Cortez;RM Ventura;AC Rodrigues;JS Batista

  • Detection of Ehrlichia chaffeensis in Brazilian marsh deer (Blastocerus dichotomus).

    Rosangela Zacarias Machado;José Maurício B. Duarte;Ana Silvia Dagnone;Matias Pablo J. Szabó

  • A study of cross-reactivity in serum samples from dogs positive for Leishmania sp., Babesia canis and Ehrlichia canis in enzyme-linked immunosorbent assay and indirect fluorescent antibody test.

    Trícia Maria F. de Sousa Oliveira;Patrícia I. Furuta;Débora de Carvalho;Rosangela Z. Machado

  • Clinical, Parasitological and Immunological Aspects of Experimental Infection with Trypanosoma evansi in Dogs

    Lúcia Padilha Cury Thomaz de Aquino;Rosangela Zacarias Machado;Antônio Carlos Alessi;Luiz Carlos Marques

  • Molecular and serological detection of Ehrlichia canis and Babesia vogeli in dogs in Colombia

    G. Vargas-Hernández;M.R. André;J.L.M. Faria;T.D. Munhoz

  • Arthropod-borne pathogens circulating in free-roaming domestic cats in a zoo environment in Brazil

    Marcos Rogério André;Nathani Cristina Baccarim Denardi;Keyla Carstens Marques de Sousa;Luiz Ricardo Gonçalves

  • Hematological, biochemical and anatomopathological aspects of the experimental infection with Trypanosoma evansi in dogs

    Lúcia Padilha Cury Thomaz de Aquino;Rosangela Zacarias Machado;Antônio Carlos Alessi;Áureo Evangelista Santana

  • Molecular detection of Hepatozoon spp. in Brazilian and exotic wild carnivores.

    M.R. André;C.H. Adania;R.H.F. Teixeira;G.H. Vargas

  • Partial protection against tissue cysts formation in pigs vaccinated with crude rhoptry proteins of Toxoplasma gondii

    João Luis Garcia;Solange Maria Gennari;Italmar Teodorico Navarro;Rosângela Zacarias Machado

  • Molecular Detection of Cytauxzoon spp. in Asymptomatic Brazilian Wild Captive Felids

    Marcos R. André;Cristina H. Adania;Rosangela Z. Machado;Silmara M. Allegretti

  • Prevalence and molecular characterization of Anaplasmataceae agents in free-ranging Brazilian marsh deer (Blastocerus dichotomus).

    A.B.V. Sacchi;J.M.B. Duarte;M.R. André;R.Z. Machado

  • Migratory and Carnivorous Birds in Brazil: Reservoirs for Anaplasma and Ehrlichia Species?

    Rosangela Zacarias Machado;Marcos Rogério André;Karin Werther;Eliane de Sousa

  • Neospora caninum infection in birds: experimental infections in chicken and embryonated eggs.

    P. I. Furuta;T. W. P. Mineo;A. O. T. Carrasco;G. S. Godoy

  • Molecular diagnosis of Anaplasmataceae organisms in dogs with clinical and microscopical signs of ehrlichiosis

    Ana Sílvia Dagnone;Alda Izabel de Souza;Marcos Rogério André;Rosangela Zacarias Machado

  • Molecular detection of tick-borne bacterial agents in Brazilian and exotic captive carnivores.

    M.R. André;J.S. Dumler;D.G. Scorpio;R.H.F. Teixeira

  • Pigeons (Columba livia) are a suitable experimental model for Neospora caninum infection in birds

    Tiago W.P. Mineo;Adriano O.T. Carrasco;José A. Marciano;Karin Werther

  • Diversity of piroplasmids among wild and domestic mammals and ectoparasites in Pantanal wetland, Brazil

    Keyla Carstens Marques de Sousa;Marina Pugnaghi Fernandes;Heitor Miraglia Herrera;Carla Roberta Freschi

  • Molecular and serological detection of Theileria equi and Babesia caballi in donkeys (Equus asinus) in Brazil

    R.Z. Machado;C.Z.P. Toledo;M.C.A. Teixeira;M.R. André

  • Antibodies to Toxoplasma gondii and Neospora caninum in Captive Neotropical and Exotic Wild Canids and Felids

    M. R. André;C. H. Adania;R. H. F. Teixeira;K. F. Silva

  • Tick-borne agents in domesticated and stray cats from the city of Campo Grande, state of Mato Grosso do Sul, midwestern Brazil

    Marcos Rogério André;Heitor Miraglia Herrera;Simone de Jesus Fernandes;Keyla Cartens Marques de Sousa

  • Prevalence of Salmonella spp. Antibodies to Toxoplasma gondii, and Newcastle Disease Virus in Feral Pigeons (Columba livia) in the City of Jaboticabal, Brazil

    Eliane de Sousa;Angelo Júnior Berchieri;Aramis Augusto Pinto;Rosangela Zacarias Machado

  • Short communication Detection of Ehrlichia chaffeensis in Brazilian marsh deer (Blastocerus dichotomus)

    Rosangela Zacarias Machado;B. Duarte;Ana Silvia Dagnone;Matias Pablo

  • First report of Trypanosoma vivax outbreak in dairy cattle in São Paulo state, Brazil Primeiro relato de surto por Trypanosoma vivax em vacas leiteiras no estado de São Paulo, Brasil

    Fabiano Antonio Cadioli;Patrícia de Athayde Barnabé;Rosangela Zacarias Machado;Márcia Cristina

Frequent Co-Authors

Marcos Rogério André
Marcos Rogério André Sao Paulo State University
Heitor Miraglia Herrera
Heitor Miraglia Herrera Dom Bosco Catholic University
Marta M.G. Teixeira
Marta M.G. Teixeira Universidade de São Paulo
Silmara Marques Allegretti
Silmara Marques Allegretti Biology Institute of the University of Campinas
Marcelo B. Labruna
Marcelo B. Labruna Universidade de São Paulo
Solange Maria Gennari
Solange Maria Gennari Universidade de São Paulo
José Maurício Barbanti Duarte
José Maurício Barbanti Duarte Sao Paulo State University
Gervásio Henrique Bechara
Gervásio Henrique Bechara Pontifícia Universidade Católica do Paraná
José de la Fuente
José de la Fuente University of Castilla-La Mancha

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