H.F. Tyrrell

4.9k total citations · 2 hit papers
66 papers, 4.1k citations indexed

About

H.F. Tyrrell is a scholar working on Agronomy and Crop Science, Animal Science and Zoology and Genetics. According to data from OpenAlex, H.F. Tyrrell has authored 66 papers receiving a total of 4.1k indexed citations (citations by other indexed papers that have themselves been cited), including 42 papers in Agronomy and Crop Science, 20 papers in Animal Science and Zoology and 17 papers in Genetics. Recurrent topics in H.F. Tyrrell's work include Ruminant Nutrition and Digestive Physiology (37 papers), Reproductive Physiology in Livestock (23 papers) and Genetic and phenotypic traits in livestock (14 papers). H.F. Tyrrell is often cited by papers focused on Ruminant Nutrition and Digestive Physiology (37 papers), Reproductive Physiology in Livestock (23 papers) and Genetic and phenotypic traits in livestock (14 papers). H.F. Tyrrell collaborates with scholars based in United States and Canada. H.F. Tyrrell's co-authors include J. T. Reid, P.W. Moe, Paul J. Reynolds, C.K. Reynolds, G. B. Huntington, G. L. Haaland, William P. Flatt, Dale E. Bauman, D.R. Waldo and G.A. Varga and has published in prestigious journals such as Journal of Nutrition, Journal of Dairy Science and British Journal Of Nutrition.

In The Last Decade

H.F. Tyrrell

65 papers receiving 3.7k citations

Hit Papers

align trajectories

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.

Prediction of the Energy Value of Cow's Milk

1965 1.3k citations H.F. Tyrrell et al. Journal of Dairy Science profile →
Methane Production in Dairy Cows

1979 330 citations P.W. Moe, H.F. Tyrrell Journal of Dairy Science profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
H.F. Tyrrell United States	30	3.5k	1.8k	1.1k	653	249	66	4.1k
G. B. Huntington United States	37	3.5k 1.0×	1.6k 0.9×	1.3k 1.2×	276 0.4×	311 1.2×	110	4.4k
D. E. Beever United Kingdom	45	4.6k 1.3×	2.1k 1.2×	1.2k 1.1×	473 0.7×	620 2.5×	148	5.5k
J. T. Reid United States	30	2.6k 0.7×	1.4k 0.8×	1.1k 1.0×	418 0.6×	231 0.9×	91	3.6k
L.D. Muller United States	42	4.5k 1.3×	2.0k 1.1×	944 0.9×	497 0.8×	669 2.7×	134	5.6k
J.C. MacRae United Kingdom	35	2.7k 0.8×	1.1k 0.6×	852 0.8×	346 0.5×	444 1.8×	105	4.1k
L.E. Armentano United States	42	4.0k 1.1×	2.4k 1.3×	1.1k 1.0×	249 0.4×	394 1.6×	102	4.8k
H. Lapierre Canada	43	4.0k 1.2×	1.9k 1.1×	938 0.9×	450 0.7×	360 1.4×	175	5.4k
A.M. van Vuuren Netherlands	36	3.3k 0.9×	1.3k 0.7×	664 0.6×	394 0.6×	450 1.8×	102	4.0k
A.L. Goetsch United States	32	3.8k 1.1×	2.0k 1.1×	1.6k 1.5×	619 0.9×	242 1.0×	283	4.8k
D.R. Waldo United States	26	2.2k 0.6×	940 0.5×	616 0.6×	211 0.3×	251 1.0×	66	2.5k

Countries citing papers authored by H.F. Tyrrell

Since Specialization

Citations

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

Fields of papers citing papers by H.F. Tyrrell

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of H.F. Tyrrell

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

All Works

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20 of 20 papers shown

Waldo, D.R., H.F. Tyrrell, A.V. Capuco, & Caird E. Rexroad. (1997). Components of Growth in Holstein Heifers Fed Either Alfalfa or Corn Silage Diets to Produce Two Daily Gains. Journal of Dairy Science. 80(8). 1674–1684. 33 indexed citations

Bitman, Joel, et al.. (1996). Comparison of Milk and Blood Lipids in Jersey and Holstein Cows Fed Total Mixed Rations with or Without Whole Cottonseed. Journal of Dairy Science. 79(9). 1596–1602. 21 indexed citations

Reynolds, C.K., D. L. Harmon, R. L. Prior, & H.F. Tyrrell. (1994). Effects of mesenteric vein L-alanine infusion on liver metabolism of organic acids by beef heifers fed diets differing in forage: concentrate ratio2. Journal of Animal Science. 72(12). 3196–3206. 26 indexed citations

Reynolds, C.K., Hélène Lapierre, H.F. Tyrrell, et al.. (1992). Effects of growth hormone-releasing factor and feed intake on energy metabolism in growing beef steers: net nutrient metabolism by portal-drained viscera and liver2. Journal of Animal Science. 70(3). 752–763. 70 indexed citations

Tyrrell, H.F., D. J. Thomson, D.R. Waldo, H. K. Goering, & G. L. Haaland. (1992). Utilization of energy and nitrogen by yearling Holstein cattle fed direct-cut alfalfa or orchardgrass ensiled with formic acid plus formaldehyde1. Journal of Animal Science. 70(10). 3163–3177. 16 indexed citations

Goering, H. K., D.R. Waldo, H.F. Tyrrell, & D. J. Thomson. (1991). Composition of formaldehyde- and formic acid-treated alfalfa and orchardgrass silages harvested at two maturities and their effects on intake and growth by Holstein heifers1. Journal of Animal Science. 69(11). 4634–4643. 11 indexed citations

Reynolds, C.K., H.F. Tyrrell, & Paul J. Reynolds. (1991). Effects of Diet Forage-to-Concentrate Ratio and Intake on Energy Metabolism in Growing Beef Heifers: Whole Body Energy and Nitrogen Balance and Visceral Heat Production. Journal of Nutrition. 121(7). 994–1003. 187 indexed citations

Andrew, S.M., H.F. Tyrrell, C.K. Reynolds, & R.A. Erdman. (1991). Net Energy for Lactation of Calcium Salts of Long-Chain Fatty Acids for Cows Fed Silage-Based Diets. Journal of Dairy Science. 74(8). 2588–2600. 59 indexed citations

Waldo, D.R., et al.. (1991). Voluntary intake, growth rate, and tissue retention by Holstein steers fed formaldehyde- and formic acid-treated alfalfa and orchardgrass silages1. Journal of Animal Science. 69(11). 4644–4659. 10 indexed citations

10.

Reynolds, C.K., H.F. Tyrrell, & Paul J. Reynolds. (1991). Effects of Diet Forage-to-Concentrate Ratio and Intake on Energy Metabolism in Growing Beef Heifers: Net Nutrient Metabolism by Visceral Tissues. Journal of Nutrition. 121(7). 1004–1015. 96 indexed citations

11.

Tyrrell, H.F., et al.. (1990). Energy metabolism of Jersey and Holstein cows fed total mixed diets with or without whole cottonseed.. Journal of Dairy Science. 73. 6 indexed citations

12.

Waldo, D.R., G.A. Varga, G. B. Huntington, B.P. Glenn, & H.F. Tyrrell. (1990). Energy components of growth in Holstein steers fed formaldehyde- and formic acid-treated alfalfa or orchardgrass silages at equalized intakes of dry matter.. Journal of Animal Science. 68(11). 3792–3792. 20 indexed citations

13.

Tyrrell, H.F.. (1989). Lactation performance of cows fed corn conserved as dry or high moisture shell high moisture ear or earlage in silage based diets. Journal of Dairy Science. 72(8). 2228. 2 indexed citations

14.

Tyrrell, H.F., et al.. (1988). Effect of Bovine Somatotropin on Metabolism of Lactating Dairy Cows: Energy and Nitrogen Utilization as Determined by Respiration Calorimetry. Journal of Nutrition. 118(8). 1024–1030. 82 indexed citations

15.

Boutton, Thomas W., H.F. Tyrrell, Bruce W. Patterson, G.A. Varga, & P. D. Klein. (1988). Carbon Kinetics of Milk Formation in Holstein Cows in Late Lactation. Journal of Animal Science. 66(10). 2636–2636. 37 indexed citations

16.

Eisemann, J. H., A. C. Hammond, Dale E. Bauman, et al.. (1986). Effect of Bovine Growth Hormone Administration on Metabolism of Growing Hereford Heifers: Protein and Lipid Metabolism and Plasma Concentrations of Metabolites and Plasma Concentrations of Metabolites and Hormones. Journal of Nutrition. 116(12). 2504–2515. 67 indexed citations

17.

Goering, H. K., D. J. Thomson, D.R. Waldo, & H.F. Tyrrell. (1980). The voluntary intake and growth rate of heifers fed direct-cut orchardgrass and alfalfa silages treated with formic acid and formaldehyde.. Journal of Animal Science. 51. 2 indexed citations

18.

Moe, P.W. & H.F. Tyrrell. (1975). Efficiency of Conversion of Digested Energy to Milk. Journal of Dairy Science. 58(4). 602–610. 37 indexed citations

19.

Shipe, W.F., et al.. (1967). Abstracts of Papers Presented at the Sixty-Second Annual Meeting of the American Dairy Science Association. Journal of Dairy Science. 50(6). 936–1017. 1 indexed citations

20.

Tyrrell, H.F.. (1966). Effect of method of forage preservation on the energetic efficiency of lactating cows.. 27. 5 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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