World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
35
Citations
5156
World Ranking
1709
National Ranking
494

William Chalupa 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 William Chalupa sits on this spectrum.

29–33 publications: 1 scientists 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 publications 442+

This scientist: 91 publications — 21st percentile

21% of scientists in this discipline score the same or lower.

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

William Chalupa 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 William Chalupa sits on this spectrum.

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: 35 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Overview

William Chalupa was affiliated with the University of Pennsylvania in the United States during their academic career.

The scientist did not have publicly recorded recent papers or book publications. There are no documented frequent co-authors or main fields and subfields of study available. Similarly, no frequent publication venues or main topics of work have been listed for William Chalupa.

There are no known awards or honors documented for this individual.

Due to the lack of extensive publication or research detail, it is not possible to provide a more detailed overview of their scholarly contributions or specific scientific focus areas.

Best Publications

  • Rumen Bypass and Protection of Proteins and Amino Acids

    William Chalupa

  • A net carbohydrate and protein system for evaluating cattle diets: IV. Predicting amino acid adequacy.

    J D O'Connor;C J Sniffen;D G Fox;W Chalupa

  • Responses in urea and true protein of milk to different protein feeding schemes for dairy cows.

    L.D. Baker;J.D. Ferguson;W. Chalupa

  • Impact of Protein Nutrition on Reproduction in Dairy Cows

    James D. Ferguson;William Chalupa

  • Research-ArticleRuminal Fermentation In Vivo as Influenced by Long-Chain Fatty Acids1

    William Chalupa;Bonnie Vecchiarelli;Andrew E. Elser;D.S. Kronfeld

  • Feeding Calcium Salts of Fatty Acids to Lactating Cows

    P. Schneider;D. Sklan;W. Chalupa;D.S. Kronfeld

  • Degradation of Amino Acids by the Mixed Rumen Microbial Population

    William Chalupa

  • The effect of ruminal bypass lysine and methionine on milk yield and composition of lactating cows

    S. Xu;J.H. Harrison;W. Chalupa;C. Sniffen

  • Infertility in dairy cattle fed a high percentage of protein degradable in the rumen.

    J.D. Ferguson;T. Blanchard;D.T. Galligan;D.C. Hoshall

  • Milk fatty acids. I. Variation in the concentration of individual fatty acids in bovine milk.

    P.J. Moate;P.J. Moate;W. Chalupa;R.C. Boston;I.J. Lean

  • Effect of dietary crude-protein type on fertilization and embryo quality in dairy cattle.

    T Blanchard;J Ferguson;L Love;T Takeda

  • Effects of hard fats on in vitro and in vivo rumen fermentation, milk production and reproduction in dairy cows.

    J.D. Ferguson;D. Sklan;W.V. Chalupa;D.S. Kronfeld

  • A model to describe ruminal metabolism and intestinal absorption of long chain fatty acids

    P.J Moate;W Chalupa;T.C Jenkins;R.C Boston

  • Problems in feeding urea to ruminants.

    Unknown

  • Response of Dairy Cows to Sodium Bicarbonate and Limestone in Early Lactation

    J.A. Rogers;L.D. Muller;C.L. Davis;W. Chalupa

  • Effects of monensin and amicloral on rumen fermentation.

    William Chalupa;William Corbett;J. R. Brethour

  • Degradation of amino acids by pure cultures of rumen bacteria.

    Curtis Scheifinger;Neville Russell;William Chalupa

  • Ruminally Protected Lysine and Methionine for Lactating Dairy Cows Fed a Diet Designed to Meet Requirements for Microbial and Postruminal Protein

    P.H. Robinson;W. Chalupa;C.J. Sniffen;W.E. Julien

  • Nutritional implications of somatotropin for lactating cows.

    William Chalupa;David T. Galligan

  • Rumen fermentation in vitro as influenced by long chain fatty acids.

    Unknown

  • Discussion of Protein Symposium

    William Chalupa

  • Influence of abomasal infusion of high levels of lysine or methionine, or both, on ruminal fermentation, eating behavior, and performance of lactating dairy cows.

    P. H. Robinson;W. Chalupa;C. J. Sniffen;W. E. Julien

  • Evaluation and application of the CPM Dairy Nutrition model

    L. O Tedeschi;W. Chalupa;E. Janczewski;D. G. Fox

  • Digestion and Absorption of Lipids and Bile Acids in Sheep Fed Stearic Acid, Oleic Acid, or Tristearin

    D. Sklan;D. Sklan;A. Arieli;A. Arieli;W. Chalupa;W. Chalupa;D.S. Kronfeld;D.S. Kronfeld

  • Feeding behavior changes of cattle during introduction of monensin with roughage or concentrate diets.

    C. A. Baile;C. L. McLaughlin;E. L. Potter;W. Chalupa

Frequent Co-Authors

Charles J. Sniffen
Charles J. Sniffen Cornell University
Raymond C. Boston
Raymond C. Boston St Vincent's Hospital
James D. Ferguson
James D. Ferguson University of Pennsylvania
Peter J. Moate
Peter J. Moate University of Melbourne
Ian J. Lean
Ian J. Lean University of Sydney
Joseph H. Harrison
Joseph H. Harrison Washington State University
P.H. Robinson
P.H. Robinson University of California, Davis
Elliot Block
Elliot Block Church & Dwight (United States)
Zhengxia Dou
Zhengxia Dou University of Pennsylvania
David Sklan
David Sklan Hebrew University of Jerusalem

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Related Online Degrees & Career Pathways

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Moreover, knowledge from study exercise science online programs can complement veterinary or animal science studies, focusing on physiology and movement, which are critical for animal rehabilitation careers.

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