Rumen microbes and digestion of plant cell walls

The Rumen and its Microbes

1966 • 2,491 citations

Effect of ammonia concentration on rumen microbial protein production in vitro

1974 • 1,779 citations

The maintenance energy of bacteria in growing cultures

1965 • 1,438 citations

How Bacteria Stick

1978 • 1,376 citations

Digestion and metabolism in the ruminant.

1975 • 1,219 citations

The Rumen Microbial Ecosystem

1975 • 984 citations

Digestive Physiology and Metabolism in Ruminants

1980 • 942 citations

Physiology of Digestion in the Ruminant.

1966 • 582 citations

Design and development of a long-term rumen simulation technique (Rusitec)

1977 • 541 citations

A Theoretical Rumen Fermentation Balance

1960 • 472 citations

Rates of rumen fermentation in relation to ammonia concentration

1977 • 470 citations

Microbial Methane Production—Theoretical Aspects2

1979 • 466 citations

Methane formation and methane oxidation by methanogenic bacteria

1979 • 360 citations

Fermentation of cellulose and cellobiose by Clostridium thermocellum in the absence of Methanobacterium thermoautotrophicum

1977 • 351 citations

Influence of Acidosis on Rumen function

1976 • 348 citations

Passage of protozoa and volatile fatty acids from the rumen of the sheep and from a continuous in vitro fermentation system

1974 • 344 citations

Dynamic aspects of ammonia and urea metabolism in sheep

1972 • 303 citations

Factors affecting the voluntary intake of food by cows

1965 • 298 citations

Factors Affecting the Cellulolytic Activity of Rumen Contents

1977 • 296 citations

Effect of monensin on rumen metabolism in vitro

1977 • 285 citations

Rumen Anaerobic Fungi of Cattle and Sheep

1979 • 252 citations

Rates of production of methane in the rumen and large intestine of sheep

1976 • 251 citations

Efficiency of Energy Utilization by Mixed Rumen Bacteria in Continuous Culture

1975 • 245 citations

Manipulation of rumen fermentation in sheep by increasing the rate of flow of water from the rumen

1975 • 240 citations

Dietary fiber components: relationship to the rate and extent of ruminal digestion.

1977 • 219 citations

Efficiency of Rumen Microbial Growth: Influence of some Theoretical and Experimental Factors on YATP

1979 • 214 citations

MANIPULATION OF RUMEN FERMENTATION

1977 • 212 citations

Chemical Treatment of Crop Residues

1978 • 211 citations

Recent Advances in Animal Nutrition – 1977

1977 • 203 citations

Methods for Determining and Factors Affecting Rumen Microbial Protein Synthesis: a Review

1979 • 199 citations

Manipulating Rumen Fermentation

1977 • 192 citations

Propionate Formation from Cellulose and Soluble Sugars by Combined Cultures of Bacteroides succinogenes and Selenomonas ruminantium

1973 • 184 citations

Synthesis of microbial protein in the rumen. I. Influence of the level of nitrogen intake

1970 • 178 citations

Fermentation of cellulose by Ruminococcus flavefaciens in the presence and absence of Methanobacterium ruminantium

1977 • 177 citations

Influence of minerals in rumen microbial digestion

1980 • 173 citations

Rumen Microbial Growth Rates and Yields: Effect of Amino Acids and Protein

1976 • 170 citations

The fate of water in the rumen

1968 • 168 citations

Metabolic interactions among intestinal microorganisms

1974 • 161 citations

Nitrogen metabolism in sheep

1971 • 155 citations

Some Factors Influencing the Rumen Microbial Population

1962 • 154 citations

The Rumen Flagellate Piromonas communis: Its Life-history and Invasion of Plant Material in the Rumen

1977 • 154 citations

Effects of cold exposure on digestion, microbial synthesis and nitrogen transformations in sheep

1978 • 148 citations

Ponies vs. Steers: Microbial and Chemical Characteristics of Intestinal Ingesta1

1974 • 148 citations

Influence of Carbohydrate Solubility on Non-protein Nitrogen Utilization in the Ruminant

1976 • 146 citations

The simultaneous use of ribonucleic acid,³⁵S, 2,6-diaminopimelic acid and 2-aminoethylphosphonic acid as markers of microbial nitrogen entering the duodenum of sheep

1978 • 145 citations

Observations on the microbiology and biochemistry of the rumen in cattle given different quantities of a pelleted barley ration

1970 • 145 citations

Effect of defaunation on the metabolism of rumen micro-organisms

1979 • 144 citations

The effects of defaunation of the rumen on the growth of cattle on low-protein high-energy diets

1978 • 136 citations

Synthesis of microbial protein from ammonia in the sheep's rumen and the proportion of dietary nitrogen converted into microbial nitrogen

1970 • 129 citations

Factors affecting microbial growth yields in the reticulo-rumen

1980 • 123 citations

TECHNIQUE FOR FRACTIONATION OF BACTERIA IN RUMEN MICROBIAL ECOSYSTEM

1978 • 121 citations

An independent microbial flora of the epithelium and its role in the ecomicrobiology of the rumen

1979 • 116 citations

The digestion of chopped and ground roughages by sheep. II. Digestion of nitrogen and some carbohydrate fractions in the stomach and intestines

1967 • 115 citations

Characteristics of Enzymes Produced by Ruminococcus flavefaciens which Degrade Plant Cell Walls

1979 • 114 citations

Microscopic Evaluation of Forage Digestion by Rumen Microorganisms-a Review

1979 • 114 citations

Adherent rumen bacteria — their role in the digestion of plant material, urea and epithelial cells

1980 • 114 citations

Ruminococcus flavefaciens Cell Coat and Adhesion to Cotton Cellulose and to Cell Walls in Leaves of Perennial Ryegrass (Lolium perenne)

1978 • 111 citations

Digestion and Absorption in the Hindgut of Ruminants

1978 • 111 citations

The origin of nitrogen incorporated into compounds in the rumen bacteria of steers given protein- and urea-containing diets

1979 • 110 citations

THE CULTURE OF EUDIPLODINIUM NEGLECTUM, WITH EXPERIMENTS ON THE DIGESTION OF CELLULOSE

1942 • 109 citations

Pure culture studies of inhibitors for methanogenic bacteria

1972 • 108 citations

Adhesion of Bacteroides succinogenes in pure culture and in the presence of Ruminococcus flavefaciens to cell walls in leaves of perennial ryegrass (Lolium perenne)

1978 • 108 citations

Effect of Particle Size upon the in Vitro Cellulose Digestibility of Forages by Rumen Bacteria

1961 • 106 citations

Comparison of Rumen Microbial Inhibition Resulting from Various Essential Oils Isolated from Relatively Unpalatable Plant Species

1968 • 105 citations

The effect of the absence of rumen ciliate protozoa on growing lambs fed on a roughage–concentrate diet

1971 • 104 citations

H ₂ Production by Selenomonas ruminantium in the Absence and Presence of Methanogenic Bacteria

1975 • 100 citations

Effect of Absence of Ciliate Protozoa From the Rumen on Microbial Activity and Growth of Lambs

1964 • 100 citations

Antibacterial Action of Essential Oils of Artemisia as an Ecological Factor

1968 • 96 citations

Digestion of two legumes and rumen bacterial growth in defaunated sheep

1972 • 96 citations

Determination of rumen microbial growth in vitro from³²P-labelled phosphate incorporation

1977 • 94 citations

Propionate Formation from Cellulose and Soluble Sugars by Combined Cultures of Bacteroides succinogenes and Selenomonas ruminantium

1973 • 93 citations

The effect of cold exposure of sheep on digestion, rumen turnover time and efficiency of microbial synthesis

1976 • 92 citations

Fermentation and nitrogen dynamics in Merino sheep given a low-quality-roughage diet

1979 • 90 citations

The effect of inclusion of mineral salts in the diet on dilution rate, the pattern of rumen fermentation and the composition of the rumen microflora

1978 • 89 citations

The digestion of chopped and ground roughages by sheep. I. Movement of digesta through the stomach

1967 • 88 citations

Effects of Defaunation on Feed Digestibility, Rumen Metabolism and Blood Metabolites

1966 • 85 citations

The effect on digestibility of a new technique for alkali treatment of straw

1976 • 85 citations

Invasion of Plant Tissue in the Rumen by the Flagellate Neocallimastix frontalis

1977 • 84 citations

The effect of supplementing a low–protein hay on the cellulolytic bacteria in the rumen of sheep and on the digestibility of cellulose and hemicellulose

1970 • 83 citations

The effects of defaunation of the rumen on the growth of lambs on low-protein-high-energy diets

1979 • 82 citations

The engulfment and digestion of mixed rumen bacteria and individual bacterial species by single and mixed species of rumen ciliate protozoa grownin vivo

1979 • 81 citations

The contribution of protozoa to the protein entering the duodenum of sheep

1979 • 80 citations

Ruminant digestion and feed evaluation

1978 • 78 citations

Observations on the Ruminal Microorganisms of Isolated and Inoculated Calves

1960 • 78 citations

Factors Affecting Cellulolysis by Ruminococcus albus

1973 • 78 citations

Relative Significance of Exogenous and De Novo Synthesized Fatty Acids in the Formation of Rumen Microbial Lipids In Vitro

1978 • 77 citations

Parameters of Rumen Fermentation in a Continuously Fed Sheep: Evidence of a Microbial Rumination Pool

1971 • 77 citations

Modifying Wood to Increase its In Vitro Digestibility3

1970 • 76 citations

Influence of Protozoa upon Rumen Acid Production and Liveweight Gains in Lambs

1965 • 75 citations

Protein nutrition of growing lambs

1979 • 75 citations

Relationship between bacteria and ciliate protozoa in the rumen of sheep fed on a purified diet

1978 • 74 citations

Behaviour of solute and particle markers in the stomach of sheep given a concentrate diet

1978 • 74 citations

Influence of Roughage Level and Corn Processing Method on Microbial Protein Synthesis by Beef Steers

1976 • 74 citations

An Extension of the Theory of the Chemostat with Feedback of Organisms. Its Experimental Realization with a Yeast Culture

1970 • 73 citations

Comparison of Rumen Microbial Inhibition Resulting from Various Essential Oils Isolated from Relatively Unpalatable Plant Species

1968 • 73 citations

Attachment of the ciliate Epidinium Crawley to plant fragments in the sheep rumen

1976 • 68 citations

Some effects of rumen ciliate protozoa in cattle given restricted amounts of a barley diet

1972 • 66 citations

Synthesis of Microbial Nitrogen Compounds in the Rumen and Their Subsequent Digestion

1979 • 62 citations

The fate of carbohydrates in the small and large intestines of the ruminant

1979 • 59 citations

The effect of processing on digestion and utilization of cereals by ruminants

1976 • 58 citations

Rumen Protozoal Degradation of Structurally Intact Forage Tissues

1978 • 57 citations

The Rumen Bacteria

1966 • 57 citations

Effect of linseed oil fatty acids and linseed oil on rumen fermentation in sheep

1973 • 56 citations

H2 Production by Selenomonas ruminantium in the Absence and Presence of Methanogenic Bacteria

1975 • 55 citations

Nitrogen metabolism in Brahman cross, buffalo, banteng and Shorthorn steers fed on low-quality roughage

1979 • 55 citations

The rumen anaerobic fungi: colonizers of plant fibre.

1979 • 54 citations

Digestibility of delignified forage cell walls

1977 • 53 citations

Validation of new systems for protein evaluation in ruminants by testing the effect of urea supplementation on intake and digestibility of straw with or without sodium hydroxide treatment

1978 • 53 citations

Factors limiting the intake of feed by sheep. II. Studies with wheaten hay

1967 • 53 citations

Antibacterial Action of Essential Oils of Artemisia as an Ecological Factor

1968 • 52 citations

The Cultivation of Cellulolytic Protozoa Isolated from the Rumen

1976 • 52 citations

Some Factors Controlling the Attachment of the Rumen Holotrich Protozoa Isotricha intestinalis and I. prostoma to Plant Particles in vitro

1978 • 52 citations

Xylose, Arabinose, and Rhamnose Fermentation by Bacteroides ruminicola

1979 • 51 citations

Effects of Feeding Alkali-Treated Oat Straw Supplemented with Soybean Meal or Nonprotein Nitrogen on Growth of Lambs and on Certain Blood and Rumen Liquor Parameters

1971 • 50 citations

The digestion of pasture plants by sheep. IV*. The digestion of Phalaris tuberosa at different stages of maturity

1969 • 49 citations

Effect of variations in dietary protein and of supplements of cod-liver oil on energy digestion and microbial synthesis in the rumen of sheep fed hay and concentrates

1975 • 48 citations

Parameters of Rumen Fermentation in a Continuously Fed Sheep: Evidence of a Microbial Rumination Pool

1971 • 48 citations

Methane production in the rumen and lower gut of sheep given lucerne chaff: effect of level of intake

1978 • 48 citations

Protein nutrition of growing lambs

1979 • 47 citations

Interactions between dietary carbohydrate and nitrogen and digestion in sheep

1977 • 47 citations

Antibacterial Action of Essential Oils of Artemisia as an Ecological Factor

1967 • 45 citations

Secondary fermentation in the rumen of a sheep given a diet based on molasses

1979 • 45 citations

Microbial Protein Synthesis with Low Quality Roughage Rations: Level and Source of Nitrogen

1977 • 44 citations

The degradation of lignin and quantitative aspects of ruminant digestion

1971 • 44 citations

Influence of Rumen Protozoa on Volatile Acid Production and Ration Digestibility in Lambs

1966 • 44 citations

Effect of Methane Inhibitors on the Metabolism of Rumen Microbesin Vitro

1981 • 43 citations

Factors affecting the voluntary intake of food by cows

1963 • 43 citations

Carbohydrate chemistry and rumen digestion

1979 • 43 citations

Studies on Bovine Rumen Bacterial Urease

1976 • 43 citations

The effect of defaunation on the growth of lambs fed three urea containing diets

1982 • 42 citations

Productive Limits to Rumen Fermentation

1977 • 41 citations

Comparative aspects of digestion of four roughages by sheep

1975 • 41 citations

Physical form of the diet in relation to rumen fermentation

1972 • 40 citations

Experiments with the long-term rumen simulation technique (Rusitec); use of soluble food and an inert solid matrix

1979 • 38 citations

Utilization of alkali-treated straw by sheep

1971 • 37 citations

Relationship Between Rumen Ammonia Levels and the Microbial Population and Volatile Fatty Acid Proportions in Faunated and Defaunated Sheep 1

1970 • 37 citations

Influence of Rumen Protozoa and Bacteria upon Cellulose Digestion In Vitro

1966 • 37 citations

Ruminal Volatile Fatty Acid Concentrations and Weight Gains of Calves Reared with and Without Ruminal Ciliated Protozoa

1973 • 37 citations

Protein-energy relationships in the digestion products of sheep fed on herbage diets differing in digestibility and nitrogen concentration

1974 • 37 citations

The Rumen Ciliate Epidinium in Primary Degradation of Plant Tissues

1979 • 36 citations

Animals for food

1970 • 36 citations

Role of rumen protozoa in the digestion of food cellulosic materials.

1979 • 34 citations

Nonprotein nitrogen in the nutrition of ruminants.

1968 • 33 citations

Factors Affecting the Activity of Cellulases Isolated from the Rumen Digesta of Sheep

1978 • 33 citations

Effect of different diets on the diurnal concentrations of ciliate protozoa in the rumen of water buffalo

1975 • 33 citations

Diurnal changes and effect of ration on concentrations of the rumen ciliate Charon ventriculi

1978 • 33 citations

The effect of diet on the secretion of parotid saliva by sheep. I. The daily secretion of saliva by caged sheep

1963 • 33 citations

Effect of Weaning and Slaughter Ages upon Rabbit Meat Production. I. Body Weight, Feed Efficiency and Mortality1

1978 • 33 citations

Diurnal variations in number of ciliate protozoa in the rumen of sheep fed once and twice daily

1978 • 32 citations

Effect of the size of hay particles on digestion in the sheep

1974 • 32 citations

Comparative studies on the digestive physiology of sheep fed on semi-purified or roughage-concentrate diets

1966 • 31 citations

Carbohydrate fermentation in the rumen—variations on a theme

1979 • 31 citations

Particle Sizes Passed from Rumen

1978 • 31 citations

Der Kohlehydratstoffwechsel der Panseninfusorien und die Bedeutung der gr�nen Pflanzenteile f�r diese Organismen

1926 • 30 citations

Adhesion of rumen bacteria to alkali-treated plant stems.

1979 • 30 citations

The hydrolysis by rumen and caecal microbial enzymes of hemicellulose in plant and digesta particles

1970 • 30 citations

Lignocellulose in Ruminant Nutrition

1969 • 29 citations

Non-protein nitrogen in the nutrition of ruminants.

1968 • 28 citations

THE CULTIVATION OF RUMEN OLIGOTRICH PROTOZOA

1973 • 28 citations

Variations in Rumen Volume and Associated Effects as Factors Influencing Metabolism and Protozoa Concentrations in the Rumen of Sheep

1966 • 28 citations

Partial purification of ferredoxin from Ruminococcus albus and its role in pyruvate metabolism and reduction of nicotinamide adenine dinucleotide by H2

1977 • 27 citations

THE CULTIVATION OF RUMEN OLIGOTRICH PROTOZOA:III. WHITE CLOVER FACTORS WHICH STIMULATE THE GROWTH OF ENTODINIA

1973 • 27 citations

Electron transport phosphorylation coupled to fumarate reduction by H2- and Mg2+-dependent adenosine triphosphatase activity in extracts of the rumen anaerobe Vibrio succinogenes

1978 • 27 citations

INFLUENCE OF FEED PARTICLE SIZE ON RATE AND EFFICIENCY OF GAIN, CHARACTERISTICS OF RUMEN FLUID AND RUMEN EPITHELIUM, AND NUMBERS OF RUMEN PROTOZOA

1979 • 27 citations

Maintenance of a certain rumen protozoal population in a continuous in vitro fermentation system

1978 • 27 citations

Modification of the Rumen Bacterial Flora by Feeding Cattle Ground and Pelleted Roughage as Determined with Culture Media with and Without Rumen Fluid

1968 • 26 citations

Dietary Effects upon Concentrations of Protozoa in the Rumen

1966 • 24 citations

The intake, digestibility and utilization of a low-quality roughage by Brahman cross, buffalo, banteng and Shorthorn steers

1979 • 23 citations

Ruminal volatile fatty acids and ammonia in cattle grazing dry tropical pastures

1976 • 23 citations

Protein fermentation and growth by rumen microbes.

1979 • 21 citations

Performance of Steers Fed Crop Residues Supplemented with Nonprotein Nitrogen, Minerals, Protein and Monensin

1977 • 21 citations

Stoichiometry of carbohydrate fermentation and microbial growth efficiency in a continous culture of mixed rumen bacteria

1979 • 20 citations

The influence of the level of feeding on fermentation in the rumen of sheep receiving a diet of ground barley, ground hay and flaked maize

1976 • 19 citations

The effect of dietary lipid supplementation on digestion and synthesis in the stomach of sheep.

1978 • 18 citations

Pesticide Effect on Rumen Microbial Function

1973 • 17 citations

Comparative studies on the digestive physiology of sheep fed on semi-purified or roughage-concentrate diets

1966 • 16 citations

Kinetics of forage digestion in the rumen.

1979 • 15 citations

Nutritional value of cattle waste for cattle.

1974 • 15 citations

On nitrogen metabolism in milking cows.

1969 • 15 citations

Untersuchungen zum N-Stoffwechsel beim laktierenden Rind unter Verwendung von oral verabreichtem Harnstoff-[¹⁵N]

1966 • 15 citations

Fermentation of Wood-dust by Cellulose Bacteria

1946 • 15 citations

Symbiotic associations the rumen bacteria.

1963 • 14 citations

In Vitro and in Vivo Ammonia Release from “Slow-Release” Urea Supplements

1979 • 14 citations

Contribution of protozoa to the rumen cellulolytic activity.

1979 • 14 citations

In vivomeasurements of the production rates of bacteria in the rumen

1973 • 14 citations

Untersuchungen zum N-Stoffwechsel beim laktierenden Rind unter Verwendung von oral verabreichtem Harnstoff-[¹⁵N]

1966 • 14 citations

Chemical Additives in Rumen Fermentations: In Vitro Effects of Various Drugs on Rumen Volatile Fatty Acids and Protozoa

1970 • 13 citations

Measurements of the rate of production of bacteria in the rumen of buffalo calves

1974 • 13 citations

Comparative Value of Ensiled Cattle Waste for Lambs and Growing-Finishing Cattle

1978 • 13 citations

Genetic Homology and Attempted Transformation among Certain Lactic Streptococci

1968 • 13 citations

Digestion of bloat-causing and bloat-safe legumes.

1979 • 13 citations

Nitrogen exchanges in the rumen

1980 • 12 citations

Relation between different carbohydrates and microbialsynthesis of protein

1979 • 12 citations

Nutritional principles and evaluation of by-products, waste products and new feeds for ruminants

1977 • 12 citations

Activité Cellulolytique des Ciliés Entodiniomorphes

1975 • 12 citations

Fate of Carbon Passing Through the Glucose Pool of Rumen Digesta

1971 • 11 citations

Post-Ruminal Digestion of Cellulose in Wethers and Steers

1972 • 11 citations

The effect of alkali and urea on ground and pelleted all-straw diets for sheep.

1977 • 11 citations

Measurements in vivo of the rate of production of protozoa in the rumen

1974 • 10 citations

Fate of Carbon Passing Through the Glucose Pool of Rumen Digesta

1971 • 9 citations

The effect of urea on the absorption of volatile fatty acids from the rumen of sheep fed on oat straw

1968 • 9 citations

Utilization of the intermediate products of the decomposition of pectin and of galacturonic acid by pure strains of rumen bacteria.

1973 • 9 citations

Rumen fermentation pattern and protozoal counts in sheep given silage and silage and barley diets.

1980 • 8 citations

Poultry wastes as feedstuffs for ruminants.

1974 • 8 citations

Relationships between protozoa and bacteria of the alimentary tract

1972 • 7 citations

Lead and other elements in sheep fed colored magazines and newsprint

1977 • 7 citations

Estimation of microbial protein in duodenal digesta.

1979 • 7 citations

The effect of alkali and urea on ground and pelleted all-straw diets for sheep.

1977 • 7 citations

Propionic Acid Production Rate in the Bovine Rumen after Feeding Untreated and Sodium Hydroxide‐treated Straw¹

1978 • 7 citations

Effect of feeding frequency on the diurnal changes in microbial protein, volatile fatty acids and ammonia contents of the rumen of sheep

1979 • 7 citations

Amino acid requirements for microbial protein synthesis.

1979 • 6 citations

AMINO ACID REQUIREMENTS FOR MICROBIAL PROTEIN SYNTHESIS

1979 • 6 citations

FACTORS AFFECTING DIGESTION OF GRAIN-SUPPLEMENTED STRAW

1979 • 5 citations

The net utilization of inorganic sulphur by rumen microbes.

1979 • 5 citations

Metabolic Inhibitor(s) in Fractions of Orchardgrass (Dactylis glomerata L.) Detected by in vitro Rumen Fermentation Technique

1967 • 4 citations

Effect of Absence of Rumen Ciliate Protozoa on the Utilization of Urea by Goats

1976 • 4 citations

Pathways for the elimination of biuret in sheep

1970 • 4 citations

An estimate of bacterial protein synthesis in sheep on a constant feeding regime.

1969 • 4 citations

Factors affecting digestion of grain-supplemented straw.

1979 • 4 citations

Wood molasses in the nutrition of ruminants.

1979 • 2 citations

THE NET UTILIZATION OF INORGANIC SULPHUR BY RUMEN MICROBES

1979 • 2 citations

LACTOSYL UREA IN RUMINANT NUTRITION

1979 • 1 citations

Die motorische Funktion des Pansens nach Fütterung von pelletierten Rationen an Schafe

1979 • 1 citations

Zur Oxydation der Cholsäure

1879 • 1 citations

Lactosyl urea in ruminant nutrition.

1979 • 1 citations