H. Ayres

3.0k total citations · 1 hit paper
56 papers, 2.1k citations indexed

About

H. Ayres is a scholar working on Agronomy and Crop Science, Genetics and Animal Science and Zoology. According to data from OpenAlex, H. Ayres has authored 56 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 43 papers in Agronomy and Crop Science, 41 papers in Genetics and 25 papers in Animal Science and Zoology. Recurrent topics in H. Ayres's work include Reproductive Physiology in Livestock (43 papers), Genetic and phenotypic traits in livestock (40 papers) and Effects of Environmental Stressors on Livestock (23 papers). H. Ayres is often cited by papers focused on Reproductive Physiology in Livestock (43 papers), Genetic and phenotypic traits in livestock (40 papers) and Effects of Environmental Stressors on Livestock (23 papers). H. Ayres collaborates with scholars based in Brazil, United States and Canada. H. Ayres's co-authors include R. M. Ferreira, A.H. Souza, Milo C. Wiltbank, Pietro Sampaio Baruselli, Jerry Guenther, R.S. Bisinotto, J.E.P. Santos, E.S. Ribeiro, F.S. Lima and L.F. Greco and has published in prestigious journals such as PLoS ONE, Journal of Dairy Science and Theriogenology.

In The Last Decade

H. Ayres

54 papers receiving 2.0k citations

Hit Papers

Prevalence of periparturi... 2013 2026 2017 2021 2013 50 100 150 200 250
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Prevalence of periparturient diseases and effects on fertility of seasonally calving grazing dairy cows supplemented with concentrates
    2013 258 citations E.S. Ribeiro, F.S. Lima et al. Journal of Dairy Science profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
H. Ayres 1.9k 1.6k 579 576 192 56 2.1k
R. M. Ferreira 1.6k 0.9× 1.4k 0.8× 737 1.3× 510 0.9× 90 0.5× 55 2.1k
L.F. Archbald 1.3k 0.7× 802 0.5× 257 0.4× 321 0.6× 388 2.0× 78 1.6k
M. F. Martínez 1.2k 0.6× 1.1k 0.7× 479 0.8× 273 0.5× 81 0.4× 42 1.4k
KW Entwistle 1.3k 0.7× 1.1k 0.7× 348 0.6× 382 0.7× 104 0.5× 77 1.6k
Juan E. Romano 771 0.4× 729 0.5× 329 0.6× 180 0.3× 196 1.0× 57 1.2k
A. García-Guerra 676 0.4× 387 0.2× 357 0.6× 124 0.2× 128 0.7× 67 930
Mojtaba Kafi 685 0.4× 403 0.3× 484 0.8× 179 0.3× 57 0.3× 69 1.2k
Renée Båge 693 0.4× 381 0.2× 277 0.5× 107 0.2× 98 0.5× 73 963
D.J. Sprecher 696 0.4× 479 0.3× 132 0.2× 608 1.1× 805 4.2× 32 1.4k
A. Vieira-Neto 1.0k 0.5× 456 0.3× 73 0.1× 288 0.5× 250 1.3× 33 1.2k

Countries citing papers authored by H. Ayres

Since Specialization
Citations

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

Fields of papers citing papers by H. Ayres

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by H. Ayres. 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 H. Ayres. The network helps show where H. Ayres may publish in the future.

Co-authorship network of co-authors of H. Ayres

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

All Works

20 of 20 papers shown
1.
Fritzen, Juliana Torres Tomazi, et al.. (2018). Cross-sectional study of the G and P genotypes of rotavirus A field strains circulating in regularly vaccinated dairy cattle herds. Tropical Animal Health and Production. 51(4). 887–892. 9 indexed citations
2.
Oliveira, Maria Emília Franco, H. Ayres, Luís Guilherme de Oliveira, et al.. (2016). Follicular wave emergence in Santa Inês ewes subjected to long-term, progesterone-based estrous synchronization protocols at different times of the year. Animal Reproduction Science. 174. 80–86. 6 indexed citations
3.
Oliveira, Maria Emília Franco, H. Ayres, Luís Guilherme de Oliveira, et al.. (2015). Effects of season and ovarian status on the outcome of long-term progesterone-based estrus synchronization protocols and ovulatory follicle development in Santa Inês ewes under subtropical conditions. Theriogenology. 85(3). 452–460. 23 indexed citations
4.
Ayres, H., R. M. Ferreira, José Ribamar de Souza Torres-Júnior, et al.. (2014). Inferences of body energy reserves on conception rate of suckled Zebu beef cows subjected to timed artificial insemination followed by natural mating. Theriogenology. 82(4). 529–536. 41 indexed citations
5.
Lima, F.S., R.S. Bisinotto, E.S. Ribeiro, et al.. (2013). Effects of 1 or 2 treatments with prostaglandin F2α on subclinical endometritis and fertility in lactating dairy cows inseminated by timed artificial insemination. Journal of Dairy Science. 96(10). 6480–6488. 43 indexed citations
6.
Macabelli, Carolina H., Lindsay Unno Gimenes, N. A. T. Carvalho, et al.. (2012). Molecular evaluation of developmental competence of buffalo oocytes collected in vivo during winter and summer. Animal Reproduction. 9(3). 674. 5 indexed citations
7.
Herlihy, M., J.O. Giordano, A.H. Souza, et al.. (2012). Presynchronization with Double-Ovsynch improves fertility at first postpartum artificial insemination in lactating dairy cows. Journal of Dairy Science. 95(12). 7003–7014. 96 indexed citations
8.
Ribeiro, E.S., A.P.A. Monteiro, F.S. Lima, et al.. (2012). Effects of presynchronization and length of proestrus on fertility of grazing dairy cows subjected to a 5-day timed artificial insemination protocol. Journal of Dairy Science. 95(5). 2513–2522. 60 indexed citations
9.
Ferreira, R. M., H. Ayres, Marcos Roberto Chiaratti, et al.. (2010). Reduced oocyte mitochondrial DNA may compromise in vitro embryo production of repeat-breeder holstein cows during summer heat stress. ACTA SCIENTIAE VETERINARIAE. 38. 2 indexed citations
10.
11.
Filho, M.F. Sá, et al.. (2010). Strategies to improve pregnancy per insemination using sex-sorted semen in dairy heifers detected in estrus. Theriogenology. 74(9). 1636–1642. 48 indexed citations
12.
Gimenes, Lindsay Unno, N. A. T. Carvalho, M.F. Sá Filho, et al.. (2010). Ultrasonographic and endocrine aspects of follicle deviation, and acquisition of ovulatory capacity in buffalo (Bubalus bubalis) heifers. Animal Reproduction Science. 123(3-4). 175–179. 24 indexed citations
13.
Ayres, H., et al.. (2009). Diferentes estímulos ovulatórios na indução de ciclicidade de novilhas Bos indicus. Resumos. 1 indexed citations
14.
15.
Gimenes, Lindsay Unno, Yoshiaki Watanabe, Flávio Vieira Meirelles, et al.. (2007). Efeito do dia de aspiração folicular em relação à emergência (2, 4, ou 6 dias) sobre a recuperação in vivo e a qualidade de oócitos bovinos: parte 1. ACTA SCIENTIAE VETERINARIAE. 35. 1170. 1 indexed citations
16.
Baruselli, Pietro Sampaio, et al.. (2007). Sêmen sexado: inseminação artificial e transferência de embriões. Revista Brasileira de Reprodução Animal. 31(3). 374–381. 3 indexed citations
17.
Marques, MG, H. Ayres, E. L Reis, R.J. Mapletoft, & Pietro Sampaio Baruselli. (2004). Efeito do cipionato e do benzoato de estradiol na taxa de prenhez de vacas nelore inseminadas em tempo fixo. ACTA SCIENTIAE VETERINARIAE. 32. 222. 3 indexed citations
18.
Rodrigues, Carlos Alberto, H. Ayres, E. L Reis, Ed Hoffmann Madureira, & Pietro Sampaio Baruselli. (2004). Aumento da taxa de prenhez em vacas nelore inseminadas em tempo fixo com o uso de eCG em diferentes períodos pós parto. ACTA SCIENTIAE VETERINARIAE. 32. 220. 2 indexed citations
19.
Ayres, H., et al.. (2004). Efeito do eCG e do desmame temporário na taxa de prenhez de vacas nelore lactantes inseminadas em tempo fixo. ACTA SCIENTIAE VETERINARIAE. 32. 223. 6 indexed citations
20.
Rodrigues, Carlos Alberto, MG Marques, H. Ayres, et al.. (2004). Efeito do eCG e do GnRH na taxa de prenhez de vacas nelore lactantes inseminadas em tempo fixo. ACTA SCIENTIAE VETERINARIAE. 32. 221. 1 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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