Vivek Fellner

Dietary Prebiotic Oligosaccharides and Arachidonate Alter the Fecal Microbiota and Mucosal Lipid Composition of Suckling Pigs

JOURNAL OF NUTRITION, 153(8), 2249–2262.

Gruel Creep Feeding Accelerates Growth and Alters Intestinal Health of Young Pigs

ANIMALS, 12(18).

Inhibition of methanogenesis by exploring hydrogen destination

Presented at the 8th International Greenhouse Gas and Animal Agriculture Conference (GGAA), Orlando, Florida, USA.

Observable Metabolites and Metabolomic Sampling Protocols for Managed African Savanna Elephant (Loxodonta africana) Whole Blood Using H-NMR Spectroscopy

Metabolites, 12(5), 400.

Altering metabolic hydrogen disposal as an alternative to reducing methanogenesis, improving animal health and feed efficiency

Presented at the Food Animal and Innovation Summit, Animal Health & Nutrition Symposium, North Carolina State University, Raleigh, NC.

Comparison of African savanna elephant (Loxodonta africana) fatty acid profiles in whole blood, whole blood dried on blood spot cards, serum, and plasma

PeerJ, 9, e12650.

Effects of supplemental zinc on ruminal fermentation in continuous cultures

Applied Animal Science, 37(1), 27–32.

Fiber: the prebiotic alternative to antimicrobials

Presented at the Food Animal Innovation Summit, Animal Health & Nutrition Symposium, North Carolina State University, Raleigh, NC.

Investigation of Dried Blood Spot Cards for Fatty Acid Analysis Using Porcine Blood

Veterinary Medicine International, 2021, 1–4.

PSIII-12 In vitro Evaluation of Purified Fiber Sources for Production of Short-chain Fatty Acids Using Pig Cecal Content as an Inoculum

Journal of Animal Science, 99(Supplement_1), 177–177.

PSXIII-2 Effect of varying proportions of cereal rye and turnip on ruminal fermentation and methane output through in vitro batch culture

Journal of Animal Science, 99(Supplement_3), 461–461.

Reduction of ruminal methanogenesis by alternative metabolic hydrogen sinks (nitrate, sulfate, and 3-nitro-1-propionate) and methane analog (bromochloromethane): investigation into hydrogen metabolism via treatments and dietary energy level manipulations

Presented at the North Carolina Agriculture and Life Sciences (NCALS) Foundation Research Board, (Virtual).

Cattle Nutrition, Microbes and Health

Presented at the Caswell County Cattlemen’s Association, Yanceyville, NC.

Ruminant Nutrition: Cows, Microbes & Milk

Ruminant Nutrition: Cows, Microbes & Milk. Presented at the Novozymes, Research Triangle Park, NC.

Evaluation of glycerol encapsulated with alginate and alginate-chitosan polymers in gut environment and its resistance to rumen microbial degradation

ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, 32(1), 72–81.

Source and level of zinc supplementation can alter fermentation by rumen microbes

Presented at the International Symposium on Ruminant Physiology, Leipzig, Germany.

Cattle rumen microorganisms hydrolysis for switchgrass saccharification, volatile fatty acids and methane production

International Journal of Agricultural Technology, 14(1), 31–43.

Comparative assessment of supplemental zinc on solubility and rumen fermentation

Presented at the 10th International Symposium on the Nutrition of Herbivores, Clermont-Ferrand, France.

Dairy Cattle Management and Advanced Ruminant Nutrition

Keynote presented at the Conference on Dairy Production, Banja Luka, Bosnia & Herzegovina.

Dairy Nutrition in North Carolina. Peru-Ecuador

Presented at the USDA FAS Cochran Program, NC State University, Raleigh, NC.

Introduction to the Dairy Industry in the US

Presented at the Veterinary Institute, Vaso Butozan, Str. Branka Radičevića, Banja Luka, Bosnia & Herzegovina.

Lower methane and greater glucogenic volatile fatty acid is produced from Moringa oleifera than alfalfa during in vitro fermentation in rumen fluid

Presented at the American Society for Nutrition.

Mixing the Message: Can Homogenizing Substrates Confound Scientific Results?

Presented at the ESA, ESC and ESBC Joint Annual Meeting. Crossing Borders: Entomology in a Changing World, Vancouver, BC. Canada.

Determination of Thermodynamic Solubility of Active Pharmaceutical Ingredients for Veterinary Species: A New USP General Chapter

Dissolution Technologies, 24(1), 36–39.

Effect of dried distiller's grains plus solubles in postpartum diets of beef cows on reproductive performance of dam and heifer progeny

Journal of Animal Science, 95(10), 4543–4553.

Effects of dietary supplementation of Saccharomyces cerevisiae fermentation product to sows and their offspring on growth and meat quality

Translational Animal Science, 1(1), 45–53.

Fresh grocery produce as a supplement for livestock feed: Nutrient composition and aerobic stability

The Professional Animal Scientist, 33(2), 151–159.

In vitro fermentation of Moringa Oleifera leaves in mixed cultures of ruminal microorganisms

Journal of Dairy Science, 100(e-supplement).

Microbes & Cows: In Sickness & In Health

Microbes & Cows: In Sickness & In Health. Presented at the American Pre-Veterinary Medical Association (APVMA) Symposium, NC State University, Raleigh, NC.

The Effect of HTST and Holder Pasteurization on Bacterial Agglutination by Breast Milk

Current Nutrition & Food Science, 13(1), 29–36.

Enzyme supplementation to improve the nutritional value of fibrous feed ingredients in swine diets fed in dry or liquid form

Journal of Animal Science, 94(3), 1031–1040.

Rumen and Drug Interactions

Presented at the US Pharmacopeia Workshop on In vitro Testing for Meeting Future Challenges for Veterinary Dosage Forms, Rockville, MD, USA.

The effect of direct-fed microbial (PrimaLac) on performance and AMEn in turkey poults

Poultry Science, 95(e-supplement 1), 298.

Determination of Thermodynamic Solubility of Active Pharmaceutical Ingredients for Veterinary Species: A New USP General Chapter

US Pharmacopeial Forum, 41(3).

Effects of replacing ground corn with wet brewers grains on growth performance and concentrations of liver trace minerals and plasma fatty acids of preconditioning beef heifers fed medium-quality fescue hay

The Professional Animal Scientist, 31(5), 425–433.

Impact of dietary lipids on sow milk composition and balance of essential fatty acids during lactation in prolific sows

Rosero, D. S., Odle, J., Mendoza, S. M., Boyd, R. D., Fellner, V., & Heugten, E. (2015, June). JOURNAL OF ANIMAL SCIENCE, Vol. 93, pp. 2935–2947.

Amino acid fortified diets for weanling pigs replacing fish meal and whey protein concentrate: Effects on growth, immune status, and gut health

JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY, 5(1).

Binturong (Arctictis binturong) and Kinkajou (Potos flavus) Digestive Strategy: Implications for Interpreting Frugivory in Carnivora and Primates

PLoS ONE, 9(8), e105415.

Comparison of milk fatty acid profiles of dairy cows grazing cool-season perennial ryegrass or birdsfoot trefoil pasture on a commercial organic dairy farm

Journal of Animal Science, 92(e-supplement 2), 532.

Fecal microbial diversity and putative function in captive western lowland gorillas (Gorilla gorilla gorilla), common chimpanzees (Pan troglodytes), Hamadryas baboons (Papio hamadryas) and binturongs (Arctictis binturong)

INTEGRATIVE ZOOLOGY, 9(5), 557–569.

Global Exchange: Sustainable Livestock Production Practices, Biofuels and Health: Lessons with India

International Innovation, 128, 26.

Manipulating rumen microbes to improve dairy production and mitigate greenhouse gas emissions

Presented at the University of La Molina, Lima, Peru.

Microbial Fermentation: A Dynamic Ecology Shaping Nutritional Energetics

Presented at the 10th Biannual Symposium of Comparative Nutrition Society, Flat Rock, NC.

Microbial Interactions: A Dynamic Ecology Shaping Nutrition and Global Energy

Keynote presented at the Global Animal Nutrition Conference, Bangalore, India.

Eicosapentaenoic and docosahexaenoic acids increase insulin sensitivity in growing steers

Cartiff, S. E., Fellner, V., & Eisemann, J. H. (2013, May). JOURNAL OF ANIMAL SCIENCE, Vol. 91, pp. 2332–2342.

Microbes, Forages and Animal Agriculture

Presented at the NC State South Asia Faculty Forum, Raleigh, NC.

Rumen microbiology and dairy production

Presented at the Fulbright Forum.

Stabilized rice bran improves weaning pig performance via a prebiotic mechanism

Journal of Animal Science, 91(2), 907–913.

Sustainable livestock production practices, biofuels and health: Lessons in India

Presented at the International Science and Education Program (ISE), Waterfront Center, Washington D.C.

Dairy Nutrition Research at NC State

Presented at the National Institute of Animal Nutrition and Physiology, Bangalore, India.

Effects of supplementing Propionibacteria in lactation dairy diets on ruminal fermentation in continuous cultures

Journal of Animal Science, 90(e-supplement 3), 215.

In Vitro Fermentation of Dietary Carbohydrates Consumed by African Apes and Monkeys: Preliminary Results for Interpreting Microbial and Digestive Strategy

INTERNATIONAL JOURNAL OF PRIMATOLOGY, 33(1), 263–281.

In vitro microbial fermentation of different browse species fed to captive giraffes (Giraffa camelopardalis) at the North Carolina Zoo

Ink – Undergraduate Research Journal, 70.

The Potential effects of diet and environmental stressors on cortisol response in the captive southern white rhinoceros (ceratotherium simum simum) at the North Carolina Asheboro Zoo

Proceedings of the Seventh Crissey Zoological Nutrition Symposium, 13.

A comparison of the gastrointestinal microbiota associated with primate and carnivore species

Proceedings of the 125th Sigma Xi Annual Meeting and International Research Conference, 157.

Assessment of ruminal fermentation characteristics under normal or high fermentative temperature in continuous cultures

Journal of Animal Science, 89(e-supplement 1), 212.

Effect of pasture consumption on blood insulin, glucose and volatile fatty acid concentrations in horses

Journal of Equine Veterinary Science, 31(5-6), 298–299.

Effect of turn-out time on pasture NSC intake and hindgut fermentation characteristics

Journal of Equine Veterinary Science, 31(5-6), 297–298.

Effects of forage legumes containing condensed tannins on methane and ammonia production in continuous cultures of mixed ruminal microorganisms

ANIMAL FEED SCIENCE AND TECHNOLOGY, 166-67, 364–372.

Impact of dietary fat on milk composition, milk output and apparent digestibility is fat source dependent in lactating sows

Journal of Animal Science, 89(e-supplement 1), 756.

Microbial fermentation and ecology in Primate and Carnivore species

Proceedings of the Sixth Annual NC State University Graduate Student Research Symposium, 8.

Polydextrose Enrichment of Infant Formula Demonstrates Prebiotic Characteristics by Altering Intestinal Microbiota, Organic Acid Concentrations, and Cytokine Expression in Suckling Piglets

The Journal of Nutrition, 141(12), 2139–2145.

Quantitative analysis of microbial fermentation under normal or high ruminal temperature in continuous cultures

The Professional Animal Scientist, 27(4), 319–327.

Ruminal fermentation characteristics and lactational performance of Holstein dairy cows fed whole safflower seeds

Journal of Animal Science, 89(e-supplement 1), 178.

Ruminal fermentation, milk fatty acid profiles, and productive performance of Holstein dairy cows fed 2 different safflower seeds

JOURNAL OF DAIRY SCIENCE, 94(10), 5138–5150.

Sustainable Livestock Production: Adjusting to the Paradigm

Presented at the School of Public and International Affairs, Global Issues Seminar Series, NC State University, Raleigh, NC.

TEACHING at TERI: NC State Faculty Contribute to MA in Sustainable Development Practice in India

Presented at the 1st Annual International Engagement Expo, N C State University, Raleigh, NC.

Technical Assessment of Industrial Biotechnology for Treatment of Organic Waste Streams

Presented at the 17th International Interdisciplinary Conference on the Environment, Kona, Hawaii.

A comparative assessment of fermentation and microbes in herbivores and omnivores

Presented at the UNC Microbiome Symposium, Research-In-Progress, University of North Carolina, Chapel Hill, NC.

Amino Acid Nutrition: An Advanced Step in Profitable Dairy Farming

Keynote presented at the Progressive Dairy farmers Association Seminar, Kemin Industries South Asia Pvt Ltd, Karnal, India.

Digestive physiology and use of carbohydrates by arboreal, frugivorous Carnivora (Arctictis binturong, Potos flavus): a test of convergent evolution with the primate pattern

American Journal of Physical Anthropology, 141(supplement 50), 150–151.

Effect of Replacing Total Mixed Ration with Pasture on Ruminal Fermentation

The Professional Animal Scientist, 26(4), 435–442.

Effect of grazing fall pasture on indicators of hindgut pH and fermentation characteristics in horses

Journal of Dairy Science, 93(e-supplement 1), 639.

Effects of supplementing dairy cows with chromium propionate on milk and tissue Cr concentrations

Presented at the MidWestern Section, Des Moines, Iowa.

Effects of supplementing dairy cows with chromium propionate on milk and tissue chromium concentrations

JOURNAL OF DAIRY SCIENCE, 93(10), 4774–4780.

Evaluating the QIAamp DNA Stool Kit for metagenomic studies in binturong (Arctictis binturong)

Proceedings of the Eighth Comparative Nutrition Society Symposium, 126–130.

Frugivory and digestive physiology in arboreal, tropical Carnivora (Arctictis binturong, Potos flavus)

Proceedings of the 5th International Symposium on Frugivores and Seed Dispersal, Le Corum/Montpellier, CEFE-CNRS, 35.

Managing reproduction and milk production in dairy cows

Keynote presented at the Progressive Dairy farmers Association, Feed Conference, Punjab Agricultural University, India.

Methane Emissions detected from respiring C3 and C4 plant varieties

Ink - Undergraduate Research Journal, 6.

Tannin-free and tanniniferous legumes in lactating dairy diets affect in vitro ruminal fermentation characteristics and methane production by mixed ruminal microbiota in continuous cultures

Proceedings of the 4th International Conference on Greenhouse Gases and Animal Agriculture, 159. Banff, Canada: Agriculture and Agri-Food Canada.

The effect of diet on fermentation and microbial strategies in primate and carnivore species

Proceedings of the Sixth Crissey Zoological Nutrition Symposium, 41–42. Raleigh, NC: Environmental Medical Consortium.

Degree of dietary fatty acid saturation affects plasma glucose kinetics in growing beef steers

Journal of Animal Science, 87(supplement 2), 464.

Effects of antibiotics and oil on microbial profiles and fermentation in mixed cultures of ruminal microorganisms

JOURNAL OF DAIRY SCIENCE, 92(9), 4467–4480.

Effects of supplementation of yeast culture to diets of sows and offspring on growth and meat quality of offspring

Journal of Animal Science, 87(e-supplement 2).

Guar gum as a source of soluble non-starch polysaccharides for swine decreases nutrient digestibility and ammonia emission while increasing manure odor

Journal of Animal Science, 87(e-supplement 2).

Reactions in the rumen: Limits and potential for improved animal production efficiency

Presented at the Southwest Nutrition Conference, Arizona.

Dietary fiber decreases fecal nutrient digestibility and ammonia emission in growing swine, but increases odor emission and odor intensity in air

Journal of Animal Science, 86(e-supplement 2).

Do microbial populations shift in response to dietary additives?

57th Annual North Carolina Dairy Conference Proceedings, 30.

Effect of feeding corn, hull-less or hulled barley on fermentation by mixed cultures of ruminal microorganisms

JOURNAL OF DAIRY SCIENCE, 91(5), 1936–1941.

Enrichment of milk with long-chain polyunsaturated fatty acids

57th Annual North Carolina Dairy Conference Proceedings, 43.

In-Vitro Fermentation of Dietary Fiber in African Monkeys and Apes

American Journal of Physical Anthropology, 135(S46), 136.

Performance of lactating dairy cows fed varying levels of total mixed ration and pasture

JOURNAL OF DAIRY RESEARCH, 75(4), 471–480.

Supplementing limited methionine diets with rumen-protected methionine, betaine, and choline in early lactation holstein cows

JOURNAL OF DAIRY SCIENCE, 91(4), 1552–1559.

The role of rumen function in efficiency of feed utilization

Journal of Animal Science, 86(e-supplement 3).

The role of rumen function in efficiency of feed utilization: Genetic Control of Feed Utilization

Presented at the Midwestern Section, Des Moines, Iowa.

A bug's perspective: How monensin and oil affect microbial ecology

Presented at the Crissey Zoological Nutritonal Symposium, Raleigh, NC.

Alternatives to a total mixed ration for lactating cows

56th Annual North Carolina Dairy Conference Proceedings, 46.

Continuous culture fermentation of a corn silage-based total mixed ration with additional forage from pasture

Journal of Dairy Science, 90(supplement 1), 346.

Effect of Grain Source and Variety on Rumen Fermentation

56th Annual North Carolina Dairy Conference Proceedings, 53.

Partial mixed rations (PMR) as alternative feeding systems for lactating dairy cows in southeastern U.S

Journal of Dairy Science, 90(supplement 1), 346.

Rumen factors affected by feeding increasing levels of forage with a corn silage-based total mixed ration

56th Annual North Carolina Dairy Conference Proceedings, 51.

The role of ionophores in improving utilization of forage and forage-based diets

Presented at the American Dairy Science Association (ADSA), San Antonio, Texas.

The role of ionophores in improving utilization of forage and forage-based diets

Journal of Animal Science, 85(supplement 1).

Varying endophyte status and energy supplementation of fresh tall fescue in continuous culture

ANIMAL FEED SCIENCE AND TECHNOLOGY, 132(1-2), 123–136.

Dose response of an enzyme feed supplement on equine cecal microbial fermentation

Raleigh, NC: Department of Animal Science, North Carolina State University.

Influence of cobalt concentration on vitamin B-12 production and fermentation of mixed ruminal microorganisms grown in continuous culture flow-through fermentors

JOURNAL OF ANIMAL SCIENCE, 84(3), 635–640.

Intakes, Milk Yield and Milk Composition of Lactating Dairy Cows Fed Varying Proportions of Total Mixed Rations and Pasture.

55th Annual North Carolina Dairy Conference Proceedings, 62.

Milk – New Perspectives on an Ancient Food

56th Annual North Carolina Dairy Conference Proceedings, 32.

Nutritional Value of Eastern Gamagrass Conserved as Hay or Silage

Raleigh, NC: Department of Animal Science, North Carolina State University.

Partial Mixed Rations (PMR) as Alternative Feeding Systems for Lactating Dairy Cows in Southeastern United States

Presented at the First Annual Graduate Student Research Symposium, North Carolina State University, Raleigh, NC.

Fermentation in equine cecal cultures fed low and high starch diets with or without an enzyme supplement

Journal of Animal Science, 83(Supplement 1).

Performance of lactating dairy cows fed varying levels of total mixed rations and pasture

Journal of Animal Science, 83(Supplement 1).

Comparative assessment of calcium salts of fatty acids on milk production and milk composition

53rd Annual North Carolina Dairy Conference Proceedings, 47.

Effect of calcium source on ruminal soluble calcium and microbial fermentation

Journal of Dairy Science, 87(Supplement 1), 185.

Fermentation of eastern gamagrass (Tripsacum dactyloides [L.] L.) by mixed cultures of ruminal microorganisms with or without supplemental corn

Journal of Animal Science, 82(1), 170–178.

Methane production by mixed ruminal cultures incubated in dual-flow fermentors

JOURNAL OF DAIRY SCIENCE, 87(1), 112–121.

Nutritional value of eastern gamagrass conserved as hay or silage

In J. Randall & J. C. Burns (Eds.), Proceedings of the Third Eastern Native Grass Symposium. The North Carolina Botanical Garden (pp. 223–228). Madison, WI: Omnipress.

The In vitro effects of simulated cold stress syndrome on the gut microflora of the florida manatee, trichechus manatus latirostris

International Association for Aquatic Animal Medicine Proceedings, 87–88. Galveston, Texas.

Continuous culture fermentation of three fescue varieties supplemented at four energy levels

52nd Annual North Carolina Dairy Conference Proceedings, 28.

Continuous culture fermentation of three fescue varieties supplemented at four energy levels

Journal of Dairy Science, 86(Supplement 1), 335.

Eastern gamagrass evaluated as hay or silage for lactating dairy cows

Professional Animal Scientists, 19(5), 362.

Effect of the sequence of fat and antibiotic-ionophores on ruminal fermentation and microbial lipids

Journal of Dairy Science, 86(Supplement 1), 151.

Effects of amounts and degradability of dietary protein on lactation, nitrogen utilization, and excretion in early lactation Holstein cows

JOURNAL OF DAIRY SCIENCE, 86(5), 1681–1689.

Fermentation of eastern gamagrass by mixed cultures of ruminal microorganisms without or with supplemental corn

52nd Annual North Carolina Dairy Conference Proceedings, 16.

Monensin by fat interactions on trans fatty acids in cultures of mixed ruminal microorganisms grown in continuous fermentors fed corn or barley

JOURNAL OF DAIRY SCIENCE, 86(1), 324–330.

The effects of cold stress syndrome and diet on the gut microflora and long term survivability of the Florida manatee, Trichechus manatus latorostris

Crissey Zoological Nutritonal Symposium, 65.

Assessment of dried and wet fermentation solubles on ruminal fermentation in dual-flow continuous cultures

51st Annual North Carolina Dairy Conference Proceedings, 70.

Assessment of gamagrass based diets without and with corn supplementation on ruminal fermentation in continuous cultures

Journal of Dairy Science, 85(supplement 1), 332.

Assessment of phosphorus availability from different sources for ruminal fermentation

51st Annual North Carolina Dairy Conference Proceedings, 82.

Comparative metabolism of calcium from calcium carbonate and calcium propionate in growing steers

Journal of Animal Science, 80(Supplement 1), 366.

Effects of Feeding Eastern Gamagrass with or without Corn Supplementation on Lactation Performance of Holstein Cows

51st Annual North Carolina Dairy Conference Proceedings, 87.

Effects of feeding corn silage that was allowed to spoil for five days with or without yeast cell walls on performance parameters in early lactation Holstein cows

Journal of Dairy Science, 85(Supplement 1), 361.

Effects of feeding corn silage that was allowed to spoil for five days with or without yeast cell walls on performance parameters in early lactation Holstein cows

Journal of Dairy Science, 85(Supplement 1), 361.

Evaluation of different fat sources on ruminal fermentation by microbial populations in dual-flow fermentors

51st Annual North Carolina Dairy Conference Proceedings, 76.

Interactions of Carbohydrate and Protein Metabolism by Rumen Bacteria

51st Annual North Carolina Dairy Conference Proceedings, 92.

Mechanism of ionophore action on microbial populations in the rumen

13th Annual Institute of Nutrition Research Symposium, 11.

Microbial Fermentation in Continuous Cultures Receiving Fat Before or After the Addition of an Ionophore

Raleigh, NC: Department of Animal Science, North Carolina State University.

Monensin and Fat Effects on Microbial Fermentation in Dual-Flow Continuous Cultures

51st Annual North Carolina Dairy Conference Proceedings, 65.

Monensin by fat interactions on trans fatty acid concentrations in cultures of mixed ruminal microbes grown in continuous fermenters fed corn or barley

Journal of Dairy Science, 85(Supplement 1), 399.

Nutritional Value of Eastern Gamagrass Conserved as Hay or Silage

Presented at the Third Eastern Native Grass Symposium, Chapel Hill, NC.

Performance of lactating dairy cows fed gamagrass as hay or silage

Journal of Dairy Science, 85(Supplement 1), 22.

Rumen Microbes and Nutrient Management

Presented at the American Registry of Professional Animal Scientists, California Chapter Conference, San Obispo, CA.

The Effect of Kluyveromyces marxianus and Saccharomyces cerevisiae on fatty acid composition of equine milk

Journal of Animal Science, 80(Supplement 1), 57.

Utilization of fermentable carbohydrate and protein by ruminal microbes in continuous cultures

Journal of Dairy Science, 85(Supplement 1), 399.

Annual Report for Regional Research Project W-181

Reno, Nevada.

Assessment of fermentation by ruminal microorganisms with different diets and dilution rates in dual-flow continuous culture system

50th Annual North Carolina Dairy Conference Proceedings, 48.