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Ronald W. Hardy

D-Index & Metrics

Biology and Biochemistry

D-Index
81
Citations
25074
World Ranking
3867
National Ranking
1917

Ronald W. Hardy publications per year

1977: 1 publications 1978: 0 publications 1979: 0 publications 1980: 1 publications 1981: 1 publications 1982: 0 publications 1983: 2 publications 1984: 6 publications 1985: 2 publications 1986: 1 publications 1987: 7 publications 1988: 0 publications 1989: 4 publications 1990: 2 publications 1991: 1 publications 1992: 3 publications 1993: 2 publications 1994: 8 publications 1995: 7 publications 1996: 5 publications 1997: 2 publications 1998: 5 publications 1999: 3 publications 2000: 10 publications 2001: 8 publications 2002: 10 publications 2003: 13 publications 2004: 12 publications 2005: 2 publications 2006: 2 publications 2007: 8 publications 2008: 8 publications 2009: 13 publications 2010: 9 publications 2011: 7 publications 2012: 5 publications 2013: 7 publications 2014: 4 publications 2015: 7 publications 2016: 4 publications 2017: 5 publications 2018: 1 publications 2019: 2 publications 2020: 9 publications 2021: 7 publications 2022: 7 publications 2023: 4 publications 2024: 2 publications 2025: 3 publications
1977 2025

232 publications in total across all disciplines

Ronald W. Hardy publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Ronald W. Hardy sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 417 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 196 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 59 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 221 publications — 58th percentile

58% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Ronald W. Hardy D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Ronald W. Hardy sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 71 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 81 D-Index — 81st percentile

81% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Ronald W. Hardy is affiliated with the University of Idaho in the United States. Their research spans multiple areas within agricultural and biological sciences, with a significant focus on aquatic science. Over their career, they have contributed to fields including immunology and microbiology as well as biochemistry, genetics, and molecular biology.

The scientist's main areas of study encompass:

  • Agricultural and Biological Sciences
  • Immunology and Microbiology
  • Biochemistry, Genetics and Molecular Biology

Within these fields, Ronald W. Hardy has specialized subfields that include:

  • Aquatic Science
  • Immunology
  • Physiology
  • Global and Planetary Change
  • Plant Science

The principal topics of research cover a broad spectrum related to aquaculture and aquatic species, notably:

  • Aquaculture Nutrition and Growth
  • Aquaculture disease management and microbiota
  • Reproductive biology and impacts on aquatic species
  • Aquatic life and conservation
  • Marine Bivalve and Aquaculture Studies
  • Insect Utilization and Effects
  • Moringa oleifera research and applications

Ronald W. Hardy has published several papers, with notable recent work including:

  • A 20-year retrospective review of global aquaculture, 2021, Nature
  • Bile acid metabolism in fish: disturbances caused by fishmeal alternatives and some mitigating effects from dietary bile inclusions, 2020, Reviews in Aquaculture
  • Utilization of functional feed additives to produce cost-effective, ecofriendly aquafeeds high in plant-based ingredients, 2023, Reviews in Aquaculture
  • Insect (black soldier fly larvae) oil as a potential substitute for fish or soy oil in the fish meal-based diet of juvenile rainbow trout (Oncorhynchus mykiss), 2021, Animal nutrition
  • Insect lipid in fish nutrition: Recent knowledge and future application in aquaculture, 2023, Reviews in Aquaculture

The frequent publication venues where their work appears include:

  • Reviews in Aquaculture
  • Aquaculture Research
  • Nature
  • Aquaculture
  • Animal nutrition

Collaboration is a consistent aspect of their research activity. Frequent co-authors associated with their work include:

  • Brian C. Small
  • Andreas Brezas
  • Rosamond L. Naylor
  • Max Troell
  • Vikas Kumar

Best Publications

  • Expanding the utilization of sustainable plant products in aquafeeds: a review

    Delbert M Gatlin;Frederic T Barrows;Paul Brown;Konrad Dabrowski

  • Feeding aquaculture in an era of finite resources

    Rosamond L. Naylor;Ronald W. HardyRonald W. Hardy;Dominique P. Bureau;Alice Chiu

  • Utilization of plant proteins in fish diets: effects of global demand and supplies of fishmeal

    Ronald W Hardy

  • Fly Prepupae as a Feedstuff for Rainbow Trout, Oncorhynchus mykiss

    Sophie St-Hilaire;Craig Sheppard;Jeffery K Tomberlin;Stephen Irving

  • Apparent protein digestibility and mineral availabilities in various feed ingredients for salmonid feeds

    Shozo H. Sugiura;Faye M. Dong;Cindra K. Rathbone;Ronald W. Hardy

  • Status and opportunities for genomics research with rainbow trout.

    Gary H. Thorgaard;George S. Bailey;David Williams;Donald R. Buhler

  • Alternate protein sources for salmon and trout diets

    Ronald W. Hardy

  • Dietary microbial phytase supplementation and the utilization of phosphorus, trace minerals and protein by rainbow trout [Oncorhynchus mykiss (Walbaum)] fed soybean meal‐based diets

    S H Sugiura;J Gabaudan;F M Dong;R W Hardy

  • Dietary substitution of soy and rapeseed protein concentrates for fish meal, and their effects on growth and nutrient utilization in gilthead seabream Sparus aurata L.

    G Wm Kissil;I Lupatsch;D A Higgs;R W Hardy

  • Diet Formulation and Manufacture

    Ronald W. Hardy;Frederick T. Barrows

  • Effects of lysine supplementation in plant protein-based diets on the performance of rainbow trout (Oncorhynchus mykiss) and apparent digestibility coefficients of nutrients

    Zongjia J Cheng;Ronald W Hardy;James L Usry

  • Fish meal: historical uses, production trends and future outlook for sustainable supplies.

    R. W. Hardy;A. G. J. Tacon;R. R. Stickney;J. P. McVey

  • Replacement of herring oil with menhaden oil, soybean oil, or tallow in the diets of Atlantic salmon raised in marine net-pens

    Ronald W. Hardy;Thomas M. Scott;Lee W. Harrell

  • Metabolic response to dietary phosphorus intake in rainbow trout (Oncorhynchus mykiss)

    Denise I Skonberg;Leon Yogev;Ronald W Hardy;Faye M Dong

  • Thermal adaptation and acclimation of ectotherms from differing aquatic climates

    Shawn R. Narum;Nathan R. Campbell;Kevin A. Meyer;Michael R. Miller

  • The influence of dietary lipid source and alpha-tocopheryl acetate level on product quality of rainbow trout (Salmo gairdneri)☆

    Steven M. Boggio;Ronald W. Hardy;Jerry K. Babbitt;Ernest L. Brannon

  • Fish performance, fillet characteristics, and health assessment index of rainbow trout (Oncorhynchus mykiss) fed diets containing adequate and high concentrations of lipid and vitamin E

    Sage Chaiyapechara;Michael T Casten;Ronald W Hardy;Faye M Dong

  • Heat-induced changes in sulfhydryl groups and disulfide bonds in fish protein and their effect on protein and amino acid digestibility in rainbow trout (Salmo gairdneri)

    Johannes Opstvedt;Ruth Miller;Ronald W. Hardy;John Spinelli

  • Atlantic Salmon (Salmo salar): The “Super-Chicken” of the Sea?

    Ole Torrissen;Rolf Erik Olsen;Reidar Toresen;Gro Ingunn Hemre

  • Effect of Dietary Calcium Phosphate and Zinc Supplementation on Whole Body Zinc Concentration of Rainbow Trout (Salmo gairdneri)

    Ronald W. Hardy;Karl D. Shearer

Frequent Co-Authors

Delbert M. Gatlin
Delbert M. Gatlin Texas A&M University
Troy L. Ott
Troy L. Ott Pennsylvania State University
Ronald J. Roberts
Ronald J. Roberts University of Idaho
Barbara Rasco
Barbara Rasco University of Wyoming
Peter D. Nichols
Peter D. Nichols Commonwealth Scientific and Industrial Research Organisation
Dominique P. Bureau
Dominique P. Bureau University of Guelph
Santosh P. Lall
Santosh P. Lall Lloyds Banking Group (United Kingdom)
Anthony P. Farrell
Anthony P. Farrell University of British Columbia
Victor Raboy
Victor Raboy Agricultural Research Service
Caird E. Rexroad
Caird E. Rexroad Agricultural Research Service

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