R. Erb

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Periparturient concentrations of prolactin, progesterone and the estrogens in blood plasma of cows retaining and not retaining fetal membranes.

P. Malven, B. Chew, H. F. Keller, 1977, Journal of animal science.

A computer program for double radionuclide assay data.

F. A. Waltz, V. A. Garwood, E. Plotka, 1966, The International journal of applied radiation and isotopes.

Relationships between immunoreactive estrone and estradiol in milk, blood, and urine of dairy cows.

R. Erb, E. Monk, T. A. Mollett, 1975, Journal of dairy science.

Effect of hormonal treatments prior to lactation on hormones in blood plasma, milk, and urine during early lactation.

P. Malven, B. Chew, H. F. Keller, 1977, Journal of dairy science.

Hormonal control of mammogenesis and onset of lactation in cows--a review.

R. Erb, 1977, Journal of dairy science.

Effect of Mummified Fetuses on the Prolificacy of Holsteins

R. Erb, R. Morrison, 1957 .

Field Testing for Solids-Not-Fat and Protein

U. S. Ashworth, L. J. Manus, R. Erb, 1960 .

Comparative accuracy of the plastic bead method of Golding and the lactometer method of Watson for routine determination of solids-not-fat in milk.

U. S. Ashworth, L. J. Manus, R. Erb, 1960 .

Maintenance of Pregnancy in Ovariectomized Cattle with Progestin Compounds and Their Effect on Progestin Levels in the Corpus Luteum

K. R. Johnson, R. Erb, 1962 .

Effects of ovariectomy during pregnancy and of prematurely induced parturition on progesterone, estrogens, and calving traits.

C. J. Callahan, J. Fessler, P. Malven, 1979, Journal of dairy science.

Effect of ovariectomy on pregnancy maintenance and parturition in dairy cows.

R. Erb, V. L. Estergreen, W. R. Gomes, 1967, Journal of dairy science.

Variables associated with peripartum traits in dairy cows. II. Interrelationships among disorders and their effects on intake of feed and on reproductive efficiency.

C. J. Callahan, B. Chew, R. Erb, 1979, Theriogenology.

Relationships between Age, Body Weight, and Yield of Dairy Cows

U. S. Ashworth, R. Erb, 1961 .

Reproductive steroids in the bovine. VI. Changes and interrelationships from 0 to 260 days of pregnancy.

R. Randel, R. Erb, 1971, Journal of animal science.

Effect of melengestrol acetate on plasma progesterone, luteinizing hormone and total corticoids in dairy heifers.

R. Randel, H. Garverick, B. L. Brown, 1972, Journal of animal science.

Urinary estrogen excretion rates during pregnancy in the bovine.

R. Randel, T. Mellin, R. Erb, 1968, Journal of dairy science.

An Improved Procedure for the Determination of Milk Proteins by Dye Binding

U. S. Ashworth, R. Erb, R. Seals, 1960 .

Variables influencing ovarian cycles in postpartum dairy cows.

C. J. Callahan, R. Randel, R. Erb, 1971, Journal of animal science.

Reproductive steroids in the bovine. VII. Changes postpartum.

R. Randel, H. Garverick, R. Erb, 1971, Journal of animal science.

Female sex steroid relationships during the estrous cycle of the ewe.

R. B. Harrington, E. Plotka, R. Erb, 1970, Journal of animal science.

Observations on Vitamin A Deficiency in Young Dairy Bulls

S. Hauge, R. Erb, W. A. King, 1947 .

Interrelationships between diet and elevated temperatures (cyclic and constant) on concentrations of progesterone, estradiol-17beta, and testosterone in blood plasma of laying hens.

J. Rogler, R. Erb, A. N. de Andrade, 1978, Poultry science.

Relationships of hormones, temperature, photoperiod, and other factors to voluntary intake of dry matter in pregnant dairy cows prior to parturition.

P. Malven, B. Chew, T. Stewart, 1982, Journal of dairy science.

Induction of parturition in dairy cattle with dexamethasone and estradiol benzoate.

B. N. Day, H. Garverick, E. Mather, 1975, Journal of animal science.

Factors associated with edema of the mammary gland in primigravid dairy heifers.

M. F. D'Amico, P. Malven, B. Chew, 1983, Journal of Dairy Science.

Effect of melengestrol acetate on rate of excretion of estrogen in urine of dairy heifers.

C. J. Callahan, R. Randel, H. Garverick, 1973, Journal of animal science.

Dietary Urea for Dairy Cattle. II. Effect on Functional Traits

C. J. Callahan, C. M. Brown, D. L. Hill, 1976 .

The Pharmacodynamics of Ascorbic Acid in Cattle. II. in Vivo and in Vitro Loss

R. E. Nichols, R. Erb, F. Andrews, 1947 .

Dietary urea for dairy cattle III. Effect on ovarian activity.

H. Garverick, R. Erb, E. Monk, 1976, Theriogenology.

Dietary urea for dairy cattle. I. Relationship to luteal function.

R. Randel, H. Garverick, M. Cunningham, 1971, Journal of dairy science.

Progestin Levels in Jugular and Ovarian Venous Blood, Corpora Lutea, and Ovaries of the Nonpregnant Bovine

R. Erb, V. L. Estergreen, W. R. Gomes, 1963 .

Variables associated with peripartum traits in dairy cows. I. Effect of dietary forages and disorders on voluntary intake of feed, body weight and milk yield.

C. J. Callahan, B. Chew, R. Erb, 1979, Theriogenology.

Short term changes in plasma corticoids in dairy cattle.

L. B. Willett, R. Erb, 1972, Journal of animal science.

Variables associated with peripartum traits in dairy cows. IX. Relationship of season and other factors to blood plasma concentrations of progesterone and the estrogens.

M. F. D'Amico, P. Malven, B. Chew, 1982, Journal of animal science.

Variables associated with peripartum traits in dairy cows. VIII. Hormonal profiles associated with dystocia.

M. F. D'Amico, P. Malven, B. Chew, 1981, Journal of animal science.

Variables associated with peripartum traits in dairy cows. VII. Hormones, calf traits and subsequent milk yield.

M. F. D'Amico, P. Malven, B. Chew, 1980, Journal of animal science.

Variables associated with peripartum traits in dairy cows. IV. Seasonal relationships among temperature, photoperiod, and blood plasma prolactin.

M. F. D'Amico, P. Malven, B. Chew, 1979, Journal of dairy science.

Estrogen metabolism and excretion during the bovine estrous cycle.

T. Mellin, R. Erb, 1966, Steroids.

PROGESTERONE IN BOVINE REPRODUCTION. A REVIEW.

R. Erb, W. R. Gomes, 1965, Journal of dairy science.

Sources of Progestins in the Pregnant Cow

J. Gorski, W. Dickson, R. Erb, 1958 .

ESTROGENS IN THE BOVINE--A REVIEW.

T. Mellin, R. Erb, 1965, Journal of dairy science.

Quantitative Methods for Determining Progestins in Corpora Lutea, Ovaries, and Adrenals of the Cow and Sow Using Progesterone-4-C14 as a Measure of Recovery of Extracted Hormone

F. Stormshak, R. Erb, M. Hunt, 1961 .

Effect of repeated sampling on concentrations of testosterone, LH and prolactin in blood of yearling Angus bulls.

P. Malven, T. G. Martín, R. Erb, 1977, Theriogenology.

A Technique for the Simultaneous Measurement of Semen Quality and Testis Histology in Vitamin A Studies of the Dairy Bull

R. Erb, F. Andrews, J. F. Bullard, 1944 .

Progestins in Bovine Corpora Lutea, Ovaries, and Adrenals during Pregnancy

F. Stormshak, R. Erb, 1961 .

Influence of Fertility Level and Treatment of Semen on Nonreturn Decline from 29 to 180 Days Following Artificial Service

R. Erb, F. H. Flerchinger, 1954 .

Service Sire Influences on Fertility Rates of Repeat Breedings

R. Erb, F. H. Flerchinger, 1953 .

Identification of metabolities of progesterone-4-14C in domestic sow urine.

W. Featherston, D. Schomberg, R. Erb, 1966, Steroids.

Effect of unilateral ovariectomy and hysterectomy on reproductive parameters in the gilt during early pregnancy.

R. Erb, E. Monk, 1974, Journal of animal science.

Inheritance of twinning in a herd of Holstein-Friesian cattle.

R. Erb, E. M. Gildow, P. M. Hinze, 1960 .

Profiles of reproductive hormones associated with fertile and nonfertile inseminations of dairy cows.

R. Randel, H. Garverick, B. L. Brown, 1976, Theriogenology.

Reproductive steroids in the bovine. IV. Urinary estrogen excretion rates from 0 to 9 days after breeding in fertile and nonfertile cows.

R. Randel, R. Erb, C. Callahan, 1971, Journal of animal science.

Factors Associated with Estimated Fertilization and Service Efficiency of Cows

R. Erb, E. Holtz, 1958 .

Effects of Twinning on Reproductive Efficiency in a Holstein-Friesian Herd

R. Erb, R. Morrison, 1959 .

Female sex steroid changes during the reproductive cycle.

C. J. Callahan, R. Randel, R. Erb, 1971, Journal of animal science.

Progestin levels in corpora lutea and progesterone in ovarian venous and jugular vein blood plasma of the pregnant bovine.

E. Plotka, R. Erb, V. L. Estergreen, 1968, Journal of dairy science.

Effects on dietary monensin and sex of calf on profiles of serum progesterone and estrogen in late pregnancy of first-cross Brahman-Hereford cows.

F. M. Rouquette, R. Randel, B. Chew, 1978, Journal of animal science.

Fertility Rates of Cows Bred Following Estrous Cycles of Varying Lengths

M. Ehlers, R. Erb, 1958 .

Estrus after Conception in a Herd of Holstein-Friesian Cattle

R. Erb, R. Morrison, 1958 .

Seasonal Changes in Fertility of Dairy Bulls in Northwestern Washington

D. Waldo, R. Erb, 1952 .

Levels of progesterone in peripheral blood plasma during the estrous cycle of the bovine.

C. J. Callahan, E. Plotka, R. Erb, 1967, Journal of dairy science.

Reproductive steroids in the bovine. V. Comparisons of fertile and nonfertile cows 0 to 42 days after breeding.

R. Randel, H. Garverick, R. Erb, 1971, Journal of animal science.

Dietary urea for dairy cattle IV. Effect on reproductive hormones.

R. Randel, H. Garverick, R. Erb, 1976, Theriogenology.

DIETARY UREA FOR DAIRY CATTLE IV.

R. Erb, H. A. Garverickc, 1976 .

Estrogen dynamics and hormonal differences associated with lactational performance of cows induced to lactate.

P. Malven, B. Chew, H. F. Keller, 1977, Journal of dairy science.

Hormone induced lactation in the cow. IV. Relationships between lactational performance and hormone concentrations in blood plasma.

L. B. Willett, P. Malven, K. Smith, 1976, Journal of dairy science.

Reproductive steroids in the bovine. 3. Changes during the estrous cycle.

C. J. Callahan, G. Niswender, H. Garverick, 1971, Journal of animal science.

Urinary creatinine as an index compound for estimating rate of excretion of steroids in the domestic sow.

G. Hodgen, S. Tillson, E. Plotka, 1970, Journal of animal science.

Progestins in Corpora Lutea, Ovaries, and Adrenals After Estrus and Breeding of Normal and Abnormal Cows

F. Stormshak, R. Erb, 1961 .

Sows during the Estrous Cycle and Early Pregnancy Blood and Metabolites of Progesterone in Urine of Domestic Comparison of Luteinizing Hormone and Progesterone in

G. Niswender, S. Tillson, R. Erb, 2011 .

Comparison of luteinizing hormone and progesterone in blood and metabolites of progesterone in urine of domestic sows during the estrous cycle and early pregnancy.

G. Niswender, S. Tillson, R. Erb, 1970, Journal of animal science.

Metabolites of prgesterone and estrogen in domestic sow urine. I. Effect of pregnancy.

R. Erb, L. A. Edgerton, 1971, Journal of animal science.

Environmental and lactational variables affecting prolactin concentrations in bovine milk.

R. B. Harrington, J. Mcmurtry, C. W. Arave, 1975, Journal of dairy science.

Comparison of four levels of protein supplementation with and without oral diethylstilbestrol on blood plasma concentrations of testosterone, growth hormone and insulin in young bulls.

P. Malven, T. Stewart, T. G. Martín, 1979, Journal of animal science.

Estrogen, progesterone, prolactin and other changes associated with bovine lactation induced with estradiol-17beta and progesterone.

C. J. Callahan, P. Malven, R. Erb, 1976, Journal of animal science.

Relationships between blood plasma testosterone, weaning treatment, daily gains and certain physical traints of young Angus bulls.

T. G. Martín, R. Erb, W. Singleton, 1977, Journal of animal science.

Comparison of four levels of protein supplementation with and without oral DES on reproductive traits and testosterone of bulls.

T. G. Martín, R. Erb, W. Singleton, 1979, Journal of animal science.

Quantitative Determination of Free Estrone, Estradiol 17-β, and Estradiol 17-α in Bovine Fetal Cotyledons

J. Gorski, R. Erb, E. L. Veenhuizen, 1960 .

PROGESTERONE LEVELS IN OVARIAN VENOUS EFFLUENT OF THE NONPREGNANT SOW.

R. Erb, W. R. Gomes, R. Herschler, 1965, Journal of animal science.

Fluorimetric Estimation of Estrogens in Bovine Urine

W. Dickson, E. P. Smith, R. Erb, 1956 .

Urinary excretion of estrogen by the bovine before and after parturition.

T. Mellin, R. Erb, V. L. Estergreen, 1966, Journal of animal science.

Effect of sexual experience, location, malnutrition, and repeated sampling on concentrations of testosterone in blood plasma of Gallus domesticus roosters.

J. Rogler, R. Erb, E. K. Wilson, 1979, Poultry science.

Relationship between rate of gain from birth to six months of age and subsequent yields of dairy cows.

A. Hodgson, R. Erb, E. Holtz, 1961 .

Identification and excretion of estrogen in urine during the estrous cycle of the ewe.

E. Plotka, R. Erb, 1969, Journal of animal science.

QUANTITATIVE ESTIMATION AND IDENTIFICATION OF ESTROGENS IN BOVINE URINE.

T. Mellin, R. Erb, V. L. Estergreen, 1965, Journal of dairy science.

Artificial induction of lactation in cattle: Effect of modified treatments on milk yield, fertility, and hormones in blood plasma and milk.

C. J. Callahan, D. Jordan, P. Malven, 1981, Theriogenology.

Urinary creatinine as an index of urinary excretion of estrogen in cows prepartum and postpartum.

R. Randel, H. Garverick, R. Erb, 1977, Journal of dairy science.

Reproductive steroids in the bovine. I. Relationships during late gestation.

C. J. Callahan, R. B. Harrington, R. Randel, 1970, Journal of animal science.

Metabolites of progesterone and estrogen in domestic sow urine. II. Changes pre- and postpartum and effect of feeding 6-methyl-17-acetoxy-progesterone.

R. Erb, L. A. Edgerton, 1971, Journal of animal science.

Effect of ovariectomy on concentration of progesterone in blood plasma and urinary estrogen excretion rate in the pregnant bovine.

R. Randel, R. Erb, V. L. Estergreen, 1968, Journal of dairy science.

Mammary transfer of hormones and constituents into secretions when cows were milked or secretions were samples prepartum.

P. Malven, B. Chew, H. F. Keller, 1977, Journal of dairy science.

Lactation Studies. II. Effect of Estrus

M. Goodwin, A. Shaw, R. Erb, 1952 .

The Use of Dehydrated Forages in Dairy Cattle Rations. I. Grain Substitution with Finely Ground Material

U. S. Ashworth, T. H. Blosser, A. Shaw, 1950 .

Effect of corticoid induced parturition on lactation and on prepartum profiles of serum progesterone and the estrogens among cows retaining and not retaining fetal membranes

F. M. Rouquette, R. Randel, B. Chew, 1978 .

The Pharmacodynamics of Ascorbic Acid in Cattle. I. Absorption and Elimination

R. E. Nichols, R. Erb, F. Andrews, 1947 .

Lactation Studies. III. Variations in Daily Yields of Dairy Cows

M. Goodwin, A. Shaw, R. Erb, 1952 .

Acid-Soluble Phosphorus Constituents of Bull Semen in Relation to Fructolysis and to Sperm Concentration,

M. Ehlers, J. Dixon, R. Erb, 1961 .

Screening Tomato Seedlings for Multiple Disease

R. Rowe, R. Erb, 1992 .

Blood plasma and milk prolactin, and effects of sampling technique on composition of milk from suckled ewes.

P. Malven, R. Erb, E. Sitarz, 1977, Journal of dairy science.

Effects of zero and three-day storage of washed boar spermatozoa on subsequent incubation characteristics.

V. A. Garwood, R. Erb, C. Heidenreich, 1967, Journal of animal science.

Changes in Fructose, Lactic Acid, pH, and Motility of Boar Semen During Incubation at 37° C

H. W. Jones, R. B. Harrington, R. Erb, 1964 .

Levels of progesterone in peripheral blood plasma during the estrous cycle of the ewe.

E. Plotka, R. Erb, 1967, Journal of animal science.

Assay of prolactin after freezing cow's milk.

P. Malven, B. Chew, R. Erb, 1977, Journal of dairy science.

Changes in estrogen, progesterone, prolactin and lactation traits associated with injection of estradiol-17beta and progesterone into lactating cows.

P. Malven, R. Erb, E. Monk, 1976, Journal of animal science.

Relative concentrations of estrogen and progesterone in milk and blood, and excretion of estrogen in urine.

B. Chew, H. F. Keller, R. Erb, 1977, Journal of animal science.

Isolation of metabolites of 4- 14 C-corticosteroids from urine of an ovariectomized heifer.

L. B. Willett, B. L. Brown, R. Erb, 1972, Journal of dairy science.

The Use of Dehydrated Forages in Dairy Cattle Rations. II. Comparative Values of Finely Ground, Chopped and Pelleted Dehydrated Alfalfa as Grain Replacements for Lactating Dairy Cows

T. H. Blosser, A. Shaw, R. Erb, 1952 .

A Urine and Feces Collecting Apparatus for Heifers and Cows

J. Gorski, B. K. Soni, A. Hodgson, 1957 .

Influence of Yolk-Citrate, Yolk-Glycine, Whole Milk, and Skimmilk Extenders Containing Glycerol on Motility of Bovine Sperm at 37 and 5° C.,

J. L. Albright, M. Ehlers, R. Erb, 1960 .

Excretion of Metabolites of Progesterone-4-14C in the Cycling Sow1

W. Featherston, D. Schomberg, R. Erb, 1965 .

Seasonal Variation in Semen Quality of the Dairy Bull

R. Erb, F. Andrews, J. Hilton, 1942 .

Concentrations of hormones in blood and milk during and after induction of parturition in beef cattle with dexamethasone and estradiol-17beta.

C. J. Callahan, D. Kesler, R. Erb, 1976, Journal of Animal Science.

Metabolism of Bull Semen. I. Inorganic and Total Phosphorus Relationships

R. Erb, F. H. Flerchinger, 1955 .

Initial Levels of Fructose and Citric Acid in Bull Semen as Related to Fertility

M. Ehlers, R. Erb, F. H. Flerchinger, 1953 .

Modified Resazurin Reduction Test for Estimating Fertilizing Capacity of Bull Semen

M. Ehlers, R. Erb, F. H. Flerchinger, 1952 .

Resazurin Reducing Time as an Indicator of Bovine Semen Fertilizing Capacity

M. Ehlers, R. Erb, 1950 .

Metabolism of Bull Semen. III. Relation of Lactic Acid and its Accumulation during Incubation with Other Semen Quality Measurements and Nonreturns

M. Ehlers, R. Erb, F. H. Flerchinger, 1956 .

Variables associated with peripartum traits in dairy cows. III. Effect of diets and disorders on certain blood traits.

C. J. Callahan, B. Chew, R. Erb, 1979, Theriogenology.

Effect of stage of lactation on accuracy of estimating milk protein using orange G dye binding.

U. S. Ashworth, R. Erb, 1962 .

Characterization of metabolites in domestic sow urine after intravenous administration of radioactive estrogen and corticosteroids.

B. L. Brown, R. Erb, Patricia Jones-Witters, 1975, Journal of dairy science.

Reproductive hormones in blood and urine of ovariectomized sows.

R. Randel, B. L. Brown, R. Erb, 1974, Journal of animal science.

Estimating creatinine excretion in sheep.

G. Hodgen, E. Plotka, R. Erb, 1967, Journal of animal science.

Spermatozoa Survival in Milk Diluent with and without Seminal Plasma

J. L. Albright, M. Ehlers, R. Erb, 1958 .