World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
49
Citations
7060
World Ranking
676
National Ranking
219

Overview

What is she best known for?

The fields of study she is best known for:

  • Biochemistry
  • Metabolism
  • Food science

Gabriella A. Varga mainly focuses on Rumen, Dairy cattle, Food science, Silage and Dry matter. Her Rumen study integrates concerns from other disciplines, such as Digestion and Lignin. Her Dairy cattle study is related to the wider topic of Animal science.

She interconnects Amino acid and Polysaccharide in the investigation of issues within Food science. Her Silage research integrates issues from Lysine and Methionine. Her Dry matter research includes themes of Fermentation and Carbohydrate.

Her most cited work include:

  • Nonstructural Carbohydrate and Protein Effects on Rumen Fermentation, Nutrient Flow, and Performance of Dairy Cows (172 citations)
  • Evaluation of Chemical and Physical Properties of Feeds That Affect Protein Metabolism In the Rumen (158 citations)
  • Rumen-protected lysine, methionine, and histidine increase milk protein yield in dairy cows fed a metabolizable protein-deficient diet (136 citations)

What are the main themes of her work throughout her whole career to date?

Her primary areas of study are Animal science, Rumen, Dry matter, Food science and Dairy cattle. Ferulic acid is closely connected to Agronomy in her research, which is encompassed under the umbrella topic of Animal science. Her Rumen research incorporates themes from Digestion, Propionate and Methionine.

Her Dry matter research incorporates themes from Feed conversion ratio, Herd, Carbohydrate and Fatty acid. Her Food science research integrates issues from Ruminant, Lysine and Botany. Her work in Dairy cattle covers topics such as Endocrinology which are related to areas like Monensin.

She most often published in these fields:

  • Animal science (48.35%)
  • Rumen (46.15%)
  • Dry matter (43.96%)

What were the highlights of her more recent work (between 2010-2017)?

  • Dry matter (43.96%)
  • Rumen (46.15%)
  • Food science (31.87%)

In recent papers she was focusing on the following fields of study:

Her main research concerns Dry matter, Rumen, Food science, Animal science and Feed conversion ratio. Her research investigates the connection between Rumen and topics such as Excretion that intersect with problems in Blood plasma. Her study in Food science is interdisciplinary in nature, drawing from both Ruminant, Manure and Methionine.

Her work deals with themes such as Silage and Lysine, which intersect with Methionine. Gabriella A. Varga regularly links together related areas like Latin square in her Animal science studies. The concepts of her Fermentation study are interwoven with issues in Neutral Detergent Fiber and Agronomy.

Between 2010 and 2017, her most popular works were:

  • Rumen-protected lysine, methionine, and histidine increase milk protein yield in dairy cows fed a metabolizable protein-deficient diet (136 citations)
  • Effects of metabolizable protein supply and amino acid supplementation on nitrogen utilization, milk production, and ammonia emissions from manure in dairy cows. (70 citations)
  • Short communication: Heritability of gross feed efficiency and associations with yield, intake, residual intake, body weight, and body condition score in 11 commercial Pennsylvania tie stalls (66 citations)

In her most recent research, the most cited papers focused on:

  • Biochemistry
  • Metabolism
  • Food science

Gabriella A. Varga mainly investigates Dry matter, Food science, Manure, Rumen and Feed conversion ratio. Her study on Dry matter is covered under Animal science. Her work in the fields of Herd overlaps with other areas such as Heritability, Genetic correlation and Yield.

The various areas that she examines in her Milk production study include Urea and Ammonia. Her Monogastric study integrates concerns from other disciplines, such as Lysine and Excretion. Methionine is closely attributed to Silage in her study.

Best Publications

  • Rumen-protected lysine, methionine, and histidine increase milk protein yield in dairy cows fed a metabolizable protein-deficient diet

    C. Lee;A.N. Hristov;T.W. Cassidy;K.S. Heyler

  • Nonstructural Carbohydrate and Protein Effects on Rumen Fermentation, Nutrient Flow, and Performance of Dairy Cows

    J.M. Aldrich;L.D. Muller;G.A. Varga;L.C. Griel

  • Evaluation of Chemical and Physical Properties of Feeds That Affect Protein Metabolism In the Rumen

    M.D. Stern;G.A. Varga;J.H. Clark;J.L. Firkins

  • Effects of feeding dry glycerin to early postpartum Holstein dairy cows on lactational performance and metabolic profiles.

    Y.-H. Chung;D.E. Rico;C.M. Martinez;T.W. Cassidy

  • Effect on Production of Replacing Dietary Starch with Sucrose in Lactating Dairy Cows

    G.A. Broderick;N.D. Luchini;S.M. Reynal;G.A. Varga

  • Effect of Three Concentrate Feeding Frequencies on Rumen Protozoa, Rumen Digesta Kinetics, and Milk Yield in Dairy Cows

    C.-M.J. Yang;G.A. Varga

  • Synchronization of Ruminal Degradation of Supplemental Carbohydrate with Pasture Nitrogen in Lactating Dairy Cows

    E. Kolver;L.D. Muller;G.A. Varga;T.J. Cassidy

  • Integration of ruminal metabolism in dairy cattle.

    J. L. Firkins;Alexander Nikolov Hristov;M. B. Hall;G. A. Varga

  • Effect of Saccharomyces cerevisiae fermentation product on ruminal fermentation and nutrient utilization in dairy cows.

    A.N. Hristov;G. Varga;T. Cassidy;M. Long

  • Microbial and Animal Limitations to Fiber Digestion and Utilization

    Gabriella A. Varga;Eric S. Kolver

  • Improving energy supply to late gestation and early postpartum dairy cows.

    H.M. Dann;G.A. Varga;D.E. Putnam

  • Responses of dairy cows to supplemental rumen-protected forms of methionine and lysine

    Carl E. Polan;K.A. Cummins;C.J. Sniffen;T.V. Muscato

  • Effects of metabolizable protein supply and amino acid supplementation on nitrogen utilization, milk production, and ammonia emissions from manure in dairy cows.

    C. Lee;A.N. Hristov;K.S. Heyler;T.W. Cassidy

  • Rumen-protected methionine and lysine: effects on animal performance, milk protein yield, and physiological measures.

    S.S. Donkin;G.A. Varga;T.F. Sweeney;L.D. Muller

  • Ruminal digestion and fermentation of high-producing dairy cows with three different feeding systems combining pasture and total mixed rations.

    F. Bargo;L.D. Muller;G.A. Varga;J.E. Delahoy

  • Effect of Origanum vulgare L. leaves on rumen fermentation, production, and milk fatty acid composition in lactating dairy cows

    A.N. Hristov;C. Lee;T. Cassidy;K. Heyler

  • Short communication: Heritability of gross feed efficiency and associations with yield, intake, residual intake, body weight, and body condition score in 11 commercial Pennsylvania tie stalls

    J.E. Vallimont;C.D. Dechow;J.M. Daubert;M.W. Dekleva

  • Dietary Fat and Ruminally Protected Amino Acids for High Producing Dairy Cows

    C.J. Canale;L.D. Muller;H.A. McCahon;T.J. Whitsel

  • Varying Degradation Rates of Total Nonstructural Carbohydrates: Effects on Ruminal Fermentation, Blood Metabolites, and Milk Production and Composition in High Producing Holstein Cows

    T. Lykos;G.A. Varga;D. Casper

  • Ruminal digestion and duodenal nutrient flows in dairy cows consuming grass as pasture, hay, or silage.

    L.A. Holden;L.D. Muller;G.A. Varga;P.J. Hillard

  • Botanical fractions of rice straw colonized by white-rot fungi: changes in chemical composition and structure

    K. Karunanandaa;G.A. Varga;D.E. Akin;L.L. Rigsby

  • Effects of Processing Method on Degradation Characteristics of Protein and Carbohydrate Sources In Situ

    T. Lykos;G.A. Varga

  • Effect of yeast cultures on performance of lactating dairy cows: a field study

    D.L. Swartz;L.D. Muller;G.W. Rogers;G.A. Varga

  • Effects of prepartum somatotropin and monensin on metabolism and production of periparturient Holstein dairy cows.

    J. E. Vallimont;G. A. Varga;A. Arieli;T. T. W. Cassidy

  • Effects of replacing dietary starch with sucrose on ruminal fermentation and nitrogen metabolism in continuous culture.

    J.E. Vallimont;F. Bargo;T.W. Cassidy;N.D. Luchini

  • Calcium salts of fatty acids in diets that differ in neutral detergent fiber: effect on lactation performance and nutrient digestibility.

    C.J. Canale;P.L. Burgess;L.D. Muller;G.A. Varga

  • The use of fiber concentrations for ration formulation.

    G.A. Varga;H.M. Dann;V.A. Ishler

  • Postweaning Age Effects on Rumen Fermentation End-Products and Digesta Kinetics in Calves Weaned at 5 Weeks of Age

    M. Vazquez-Anon;A.J. Heinrichs;J.M. Aldrich;G.A. Varga

  • Colonization of rice straw by white-rot fungi (Cyathus stercoreus): Effect on ruminal fermentation pattern, nitrogen metabolism, and fiber utilization during continuous culture

    K. Karunanandaa;G.A. Varga

  • Chemical composition and biodegradability of crop residues colonized by white-rot fungi

    Kanthasamy Karunanandaa;Steven L. Fales;Gabriella A. Varga;Daniel J. Royse

  • Performance of ‘Grasslands Puna’ Chicory at Different Management Levels

    Gerald A. Jung;John A. Shaffer;Gabriella A. Varga;John R. Everhart

  • Effects of Varying Dietary Undegradable Protein on Dry Matter Intake, Growth, and Carcass Composition of Holstein Calves

    L.A. Swartz;A.J. Heinrichs;G.A. Varga;L.D. Muller

Frequent Co-Authors

Alexander N. Hristov
Alexander N. Hristov Pennsylvania State University
A.J. Heinrichs
A.J. Heinrichs Pennsylvania State University
Chanhee Lee
Chanhee Lee The Ohio State University
Chad Daniel Dechow
Chad Daniel Dechow Pennsylvania State University
Daniel J. Royse
Daniel J. Royse Pennsylvania State University
Hélène Lapierre
Hélène Lapierre Agriculture and Agriculture-Food Canada
Valtcho D. Zheljazkov
Valtcho D. Zheljazkov Oregon State University
J.W. Blum
J.W. Blum University of Bern
Shawn S. Donkin
Shawn S. Donkin Purdue University West Lafayette
Glen A. Broderick
Glen A. Broderick University of Wisconsin–Madison

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Related Online Degrees & Career Pathways

For those interested in Animal Science and Veterinary studies, exploring related online degrees can broaden career opportunities. For instance, programs like marriage and family masters programs offer skills in counseling that can complement animal-related professions, especially in roles involving animal-assisted therapy.

Graduate education options such as online PhD counseling programs can also enhance expertise in behavioral science, benefiting careers with animals and their caretakers through a deeper understanding of psychological principles.

Careers directly involving animals extend beyond veterinary practice. Exploring careers with animals reveals diverse roles from wildlife management to animal nutrition, which can align with various degrees in animal science and related fields.

Additionally, leadership roles in educational and athletic settings may appeal to graduates. Positions such as an athletic director combine management and organizational skills, and insights into athletic director salary and career paths help in understanding the career stability and growth potential available outside traditional animal sciences careers.

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