R. Wettemann

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Influence of naloxone and yohimbine administration on pulsatile LH secretion in luteal phase beef cows.

H. Schoenemann, M. W. Richards, S. Sangiah, 1990, Theriogenology.

Endocrine response of postpartum anestrous beef cows to GnRH or PMSG.

E. J. Turman, R. Hintz, R. Wettemann, 1982, Theriogenology.

Effect of days after calving on insulin-like growth factor-I, insulin-like growth factor binding proteins, progesterone, androstenedione, estradiol, and aromatase mRNA in dominant follicles of postpartum beef cows.

F. White, C. Lents, R. Wettemann, 2008, Animal reproduction science.

Drought-Stressed Soybean Supplementation for Beef Cows1

C. Krehbiel, D. Lalman, R. Wettemann, 2007 .

Influence of milk production potential on forage dry matter intake by multiparous and primiparous Brangus females.

D. S. Buchanan, D. Lalman, C. Johnson, 2003, Journal of animal science.

A Part or Apart: The Alleged Isolation of Antebellum U.S. Army Officers

R. Wettemann, 2006 .

The effects of protein supplementation of fall calving beef cows on pre- and postpartum plasma insulin, glucose and IGF-I, and postnatal growth and plasma insulin and IGF-I of calves.

R. Wettemann, L. Spicer, B. Boehmer, 2018, Journal of animal science.

Nutritionally Induced Anovulation in Beef Heifers: Ovarian and Endocrine Function During Realimentation and Resumption of Ovulation1

I. Bossis, R. Wettemann, L. Spicer, 2000, Biology of reproduction.

Luteinizing hormone, growth hormone, insulin-like growth factor-I, insulin and metabolites before puberty in heifers fed to gain at two rates.

J. Yelich, R. Wettemann, L. Spicer, 1996, Domestic animal endocrinology.

Nutritional- and suckling-mediated anovulation in beef cows

F. White, C. Lents, R. Wettemann, 2003 .

Energy Intake Regulates Ovarian Function in Beef Cattle

I. Bossis, R. Wettemann, 2000 .

Influence of estradiol, progesterone, and nutrition on concentrations of gonadotropins and GnRH receptors, and abundance of mRNA for GnRH receptors and gonadotropin subunits in pituitary glands of beef cows.

M. Looper, G. Morgan, R. Wettemann, 2003, Journal of animal science.

Effect of gonadotropin-releasing hormone (GnRH) pulse frequency on serum and pituitary concentrations of luteinizing hormone and follicle-stimulating hormone, GnRH receptors, and messenger ribonucleic acid for gonadotropin subunits in cows.

T. Nett, R. Wettemann, T. Braden, 1997, Endocrinology.

Nutritionally induced anovulation in beef heifers: ovarian and endocrine function preceding cessation of ovulation.

I. Bossis, M. Diskin, R. Wettemann, 1999, Journal of animal science.

Incidence of mastitis in beef cows after intramuscular administration of oxytetracycline.

M. Paape, L. Douglass, R. Wettemann, 2001, Journal of animal science.

Effect of estrogen inhibitors on conceptus estrogen synthesis and development in the gilt.

G. Morgan, R. Wettemann, R. Geisert, 1991, Domestic animal endocrinology.

Effect of exogenous progesterone on prostaglandin F2 alpha release and the interestrous interval in the bovine.

D. S. Buchanan, R. Wettemann, R. Geisert, 1988, Prostaglandins.

Characterization of the uterine environment during early conceptus expansion in the bovine

R. Wettemann, R. Geisert, M. T. Zavy, 1988 .

Influence of diet and ambient temperature on bovine serum insulin-like growth factor-I and thyroxine: relationships with non-esterified fatty acids, glucose, insulin, luteinizing hormone and progesterone

M. W. Richards, R. Wettemann, L. Spicer, 1995 .

Removal of ruminal contents followed by restricted feeding does not affect the frequency of luteinizing-hormone pulses in steers1

M. Looper, C. Lents, R. Wettemann, 2015 .

Metabolic status, gonadotropin secretion, and ovarian function during acute nutrient restriction of beef heifers.

D. Keisler, F. White, C. Lents, 2013, Journal of animal science.

Efficacy of an intravaginal progesterone insert and an injection of PGF2alpha for synchronizing estrus and shortening the interval to pregnancy in postpartum beef cows, peripubertal beef heifers, and dairy heifers.

W. R. Butler, J. Kinder, J. Yelich, 2001, Journal of animal science.

Estradiol and progesterone in blood serum during the bovine estrous cycle.

R. Wettemann, L. Swanson, H. Hafs, 1972, Journal of animal science.

Interactions with other traits: reproduction and fertility.

J. Basarab, R. Wettemann, C. Whisnant, 2012 .

Carcass composition in mature Hereford cows: estimation and effect on daily metabolizable energy requirement during winter.

J. Oltjen, R. Wettemann, L. Walters, 1988, Journal of animal science.

Nutritional anestrus in beef cows: body weight change, body condition, luteinizing hormone in serum and ovarian activity.

H. Schoenemann, M. W. Richards, R. Wettemann, 1989, Journal of animal science.

Survival of bovine embryos transferred to progesterone-treated asynchronous recipients.

G. Morgan, R. Wettemann, R. Geisert, 1991, Journal of reproduction and fertility.

Preovulatory concentrations of progesterone and estradiol in plasma and their relationships with eggshell quality in the laying hen.

R. Wettemann, R. Thayer, J. Curl, 1985, Poultry science.

Genetic parameter estimates for reproductive traits of male and female littermate swine.

D. S. Buchanan, R. Bates, R. Johnson, 1986, Journal of animal science.

Influence of elevated ambient temperature after breeding on plasma corticoids, estradiol and progesterone in gilts.

R. Wettemann, T. Hoagland, 1984, Theriogenology.

Endocrine and reproductive response of beef cows to PMSG.

E. J. Turman, D. Hallford, R. Wettemann, 1979, Journal of animal science.

Reproductive responses and calf birth and weaning weights as affected by body condition at parturition and postpartum weight gain in primiparous beef cows.

D. G. Morrison, R. Wettemann, J. C. Spitzer, 1995, Journal of animal science.

Ovarian and endocrine characteristics during an estrous cycle in Angus, Brahman, and Senepol cows in a subtropical environment.

M. Payton, C. Chase, T. Olson, 2000, Journal of animal science.

Influence of Suckling Intensity on Reproductive Performance of Range Cows

E. J. Turman, R. Wyatt, R. Wettemann, 1978 .

The relationships between plasma progesterone and lh and the numbers of corpora lutea and embryos in purebred and crossbred gilts.

R. Johnson, R. Wettemann, I. Omtvedt, 1980, Journal of animal science.

Pubertal relationships of some endocrine and reproductive criteria in Hereford bulls.

R. Wettemann, L. Swanson, H. Hafs, 1971, Journal of animal science.

Effects of inert fat on energy balance, plasma concentrations of hormones, and reproduction in dairy cows.

R. Wettemann, L. Spicer, G. Adams, 1993, Journal of dairy science.

Effects of Monensin and 4-Plex on Growth and Puberty of Beef Heifers1

H. T. Purvis, D. Cassard, Z. Johnson, 1995 .

Effect of live weight gain of steers during winter grazing: III. Blood metabolites and hormones during feedlot finishing.

C. Krehbiel, G. Horn, D. Keisler, 2004, Journal of animal science.

LH, prolactin, estradiol and progesterone in bovine blood serum during early pregnancy.

R. Wettemann, H. Hafs, 1973, Journal of animal science.

Propionibacteria fed to dairy cows: effects on energy balance, plasma metabolites and hormones, and reproduction.

C. Chamberlain, R. Wettemann, L. Spicer, 2002, Journal of dairy science.

Influence of nutrition and body condition on pituitary, ovarian, and thyroid function of nonlactating beef cows.

R. Rasby, R. Wettemann, R. Geisert, 1991, Journal of animal science.

Effects of nutrient restriction of bovine dams during early gestation on postnatal growth, carcass and organ characteristics, and gene expression in adipose tissue and muscle.

C. Krehbiel, U. DeSilva, N. Long, 2010, Journal of animal science.

Conceptus development, uterine response, blood gases and endocrine function of gilts exposed to increased ambient temperature during early pregnancy.

R. Roberts, F. Bazer, W. Thatcher, 1988, Theriogenology.

Influence of environmental temperature on prolificacy of pigs.

F. Bazer, R. Wettemann, 1985, Journal of reproduction and fertility. Supplement.

Testicular function in boars exposed to elevated ambient temperature.

C. Desjardins, R. Wettemann, 1979, Biology of reproduction.

Influence of elevated ambient temperature on reproductive performance of boars.

E. J. Turman, R. Wettemann, C. Pope, 1976, Journal of animal science.

Reproductive Characteristics of Boars during and after Exposure to Increased Ambient Temperature

R. Johnson, R. Wettemann, M. E. Wells, 1979 .

Length of pseudopregnancy and pattern of uterine protein release as influenced by time and duration of oestrogen administration in the pig.

R. Wettemann, R. Geisert, M. T. Zavy, 1987, Journal of reproduction and fertility.

Sperm Capacitation after Injection of LH or HCG in Rabbits 1

R. Wettemann, H. Hafs, 1970, Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine.

Influence of body condition at calving and postpartum nutrition on endocrine function and reproductive performance of primiparous beef cows.

D. Keisler, F. White, C. Lents, 2003, Journal of animal science.

Body condition at parturition and postpartum weight gain influence luteal activity and concentrations of glucose, insulin, and nonesterified fatty acids in plasma of primiparous beef cows.

D. G. Morrison, R. Wettemann, J. Vizcarra, 1998, Journal of animal science.

Immunization of pigs against chicken gonadotropin-releasing hormone-II and lamprey gonadotropin-releasing hormone-III: effects on gonadotropin secretion and testicular function.

J. Kirby, L. Berghman, R. Wettemann, 2006, Journal of animal science.

Reproductive criteria of beef bulls during and after exposure to increased ambient temperature.

R. Wettemann, S. Coleman, M. E. Wells, 1985, Journal of animal science.

Nutrition, body condition and reproduction in beef cows: fetal and placental development, and estrogens and progesterone in plasma.

R. Rasby, R. Wettemann, R. Geisert, 1990, Journal of animal science.

Case Study: Effects of body weight gain and bovine somatotropin treatment of postpartum beef cows on concentrations of IGF-1, insulin, and glucose in blood plasma; luteal activity; and calf growth

N. Long, R. Wettemann, I. Rubio, 2018, The Professional Animal Scientist.

Body condition at parturition and postpartum weight changes do not influence the incidence of short-lived corpora lutea in postpartum beef cows.

M. Looper, C. Lents, R. Wettemann, 2003, Journal of animal science.

Effects of nutrient restriction of bovine dams during early gestation on postnatal growth and regulation of plasma glucose.

C. Krehbiel, N. Long, R. Wettemann, 2010, Journal of animal science.

Precalving Nutrition/birth Weight Interaction and Rebreeding Efficiency

R. Wettemann, 1993 .

Relationship between estrone sulfate in plasma and litter size at farrowing for sows and gilts.

C. J. Wilcox, C. S. Stoner, F. Bazer, 1986, Theriogenology.

Luteal function in gilts after prostaglandin F2alpha.

E. J. Turman, D. Hallford, R. Wettemann, 1975, Journal of animal science.

Breed and heterosis effects on testicular development and endocrine function of puberal boars.

R. Johnson, R. Wettemann, R. Fent, 1983, Journal of animal science.

Influence of prostaglandin F2alpha on endocrine changes at parturition in gilts.

E. J. Turman, D. Hallford, R. Wettemann, 1977, Journal of animal science.

Effects of body condition score at parturition and postpartum protein supplementation on estrous behavior and size of the dominant follicle in beef cows.

D. Lalman, F. White, C. Lents, 2008, Journal of animal science.

Relationship among weight change, body condition and reproductive performance of range beef cows.

R. Rasby, S. Mobley, J. Oltjen, 1988, Journal of animal science.

Effect of elevated ambient temperature at parturition on duration of gestation, ruminal temperature, and endocrine function of fall-calving beef cows.

E. Wright, R. Wettemann, B. Boehmer, 2014, Journal of animal science.

Symposium Paper: Post-Calving Nutrition and Management Programs for Two-Year-Old Beef Cows

D. Lalman, R. Wettemann, J. P. Banta, 2005 .

Influence of 48 hour calf separation on milk production and calf growth in range cows.

E. J. Turman, R. Wettemann, T. Beck, 1979, Theriogenology.

Effect of number of cows in estrus and confinement area on estrous behavior of beef cows.

F. White, C. Lents, R. Wettemann, 2009, Journal of animal science.

Influence of dose, frequency, and duration of infused gonadotropin-releasing hormone on secretion of luteinizing hormone and follicle-stimulating hormone in nutritionally anestrous beef cows.

G. Morgan, R. Wettemann, J. Vizcarra, 1999, Domestic animal endocrinology.

Serum luteinizing hormone and testosterone in bulls during exposure to elevated ambient temperature.

E. J. Turman, R. Hintz, R. Wettemann, 1981, Journal of animal science.

Influenceof environmentaltemperatureon prolificacyof pigs

F. Bazer, R. Wettemann, 2019 .

Postpartum endocrine function of cattle, sheep and swine.

R. Wettemann, 1980, Journal of animal science.

Postpartum nutrition affects the insulin-like growth factor system in dominant follicles and plasma of anestrous beef cows.

F. White, R. Wettemann, I. Rubio, 2021, Animal reproduction science.

Influence of exogenous gonadotropin-releasing hormone on ovarian function in beef cows after short- and long-term nutritionally induced anovulation.

G. Morgan, R. Wettemann, L. Spicer, 2002, Journal of animal science.

Dexamethasone influences endocrine and ovarian function in dairy cattle.

C. Chamberlain, R. Wettemann, L. Spicer, 2001, Journal of dairy science.

Ovarian response after gonadotropin treatment of heifers immunized against gonadotropin-releasing hormone.

J. Yelich, R. Wettemann, L. Spicer, 1996, Journal of animal science.

Nutritional anestrus in beef cows: effects of body condition and ovariectomy on serum luteinizing hormone and insulin-like growth factor-I.

G. Morgan, M. W. Richards, R. Wettemann, 1991, Biology of reproduction.

Nutritional anestrus in beef cows: concentrations of glucose and nonesterified fatty acids in plasma and insulin in serum.

H. Schoenemann, M. W. Richards, R. Wettemann, 1989, Journal of animal science.

Influence of nutrient intake and body fat on concentrations of insulin-like growth factor-I, insulin, thyroxine, and leptin in plasma of gestating beef cows.

M. Payton, D. Keisler, F. White, 2005, Journal of animal science.

The influence of low and elevated ambient temperatures on serum prolactin and growth hormone in heifers—A review

H. Tucker, R. Wettemann, 1976, International journal of biometeorology.

Growth, testicular and endocrine function of boars exposed to 8, 16 or 24 hours of light daily before puberty

R. Wettemann, J. Minton, J. E. Minton, 1987 .

Influence of the duration of photoperiod on growth, testicular characteristics and endocrine function of boars

R. Wettemann, J. Minton, R. Fent, 1985 .

Influence of Heat Stress on Male Fertility

R. Wettemann, B. Boehmer, 2014 .

The influence of duration of photoperiod and hemicastration on growth and testicular and endocrine functions of boars.

R. Wettemann, J. Minton, J. E. Minton, 1988, Domestic animal endocrinology.

Male Reproduction: Physiological Comparisons

R. Wettemann, 2004 .

Immunization of beef heifers against gonadotropin-releasing hormone prevents luteal activity and pregnancy: Effect of conjugation to different proteins and effectiveness of adjuvants.

R. Wettemann, J. Vizcarra, S. L. Karges, 2012, Journal of animal science.

Maintenance energy requirements of beef cows and relationship with cow and calf performance, metabolic hormones, and functional proteins.

E. Wright, N. Long, R. Wettemann, 2014, Journal of animal science.

Effects of dry cow treatment of beef cows on pathogenic organisms, milk somatic cell counts, and calf growth during the subsequent lactation.

D. S. Buchanan, M. Paape, M. Looper, 2008, Journal of animal science.

Effects of intramammary infection and parity on calf weaning weight and milk quality in beef cows.

M. Paape, L. Douglass, R. Wettemann, 2000, Journal of animal science.

Relationship of Ambient Temperature to Serum Prolactin in Heifers 1 2

H. Tucker, R. Wettemann, 1974, Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine.

Influence of preshipment management on the adrenal response of beef calves to ACTH before and after transit.

F. Horn, R. Wettemann, W. A. Phillips, 1982, Journal of animal science.

Effects of growth rate on carcass composition and lipid partitioning at puberty and growth hormone, insulin-like growth factor I, insulin, and metabolites before puberty in beef heifers.

J. Yelich, H. Dolezal, R. Wettemann, 1995, Journal of animal science.

Effects of Ambient Temperature and Relative Humidity on Serum Prolactin and Growth Hormone in Heifers 1 2

H. Tucker, R. Wettemann, 1976, Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine.

Immunization of heifers against gonadotropin releasing hormone delays puberty and causes the cessation of estrous cycles

R. Wettemann, J. W. Castrée, 1994 .

Estrous and Luteal Activity of Postpartum Beef Cows After Treatment with Gonadotropin-Releasing Hormone and Prostaglandin F2α11This paper was supported and approved for publication by the Director of the Oklahoma Agricultural Experiment Station.

M. Looper, R. Wettemann, J. Vizcarra, 2000 .

Effects of interval-feeding whole sunflower seeds during mid to late gestation on performance of beef cows and their progeny.

C. Krehbiel, D. Lalman, R. Wettemann, 2006, Journal of animal science.

Effects of Method and Timing of Castration and the Use of an Estrogenic Growth Stimulant on Weight Gain of Bull Calves11Approved for publication by the Director Oklahoma Agric. Exp. Sta. This research was supported under project J-2331

F. White, C. Lents, R. Wettemann, 2006 .

Investigation of the site of absorption and metabolism of a novel source of metabolisable methionine : 2 hydroxy 4 ( methyl thio ) butanoic acid isopropyl ester ( HMBi )

D. Keisler, S. Butler, F. White, 2001 .

Reproducibility, Repeatability, and Degree of Expertise Required to Assess Body Condition Score in Beef Cattle1

R. Wettemann, J. Vizcarra, 1996 .

Reproductive performance of postpartum beef cows after short-term calf separation and dietary energy and protein supplementation.

G. Hill, D. Forrest, R. Wettemann, 1986, Theriogenology.

RELATIONSHIPS AMONG WEIGHT CHANGE , BODY CONDITION AND REPRODUCTIVE PERFORMANCE OF RANGE BEEF COWS 1

J. W. Oltjen, G. E. Selk, R. Rasby, 2007 .

Body energy reserves influence the onset of luteal activity after early weaning of beef cows.

R. Wettemann, L. Spicer, D. K. Bishop, 1990, Journal of animal science.

Effects of early weaning calves from first calf heifers on calf and heifer performance.

R. Wettemann, K. Lusby, 1981 .

Postpartum weight and body condition loss and performance of fall-calving cows.

R. Wettemann, J. Wagner, K. Lusby, 1986, Theriogenology.

Relationship between puberty in heifers and the cessation of luteal activity after nutritional restriction

R. Wettemann, J. Vizcarra, D. K. Bishop, 1995 .

development, and estrogens and progesterone in plasma Nutrition, body condition and reproduction in beef cows: fetal and placental

R. Rasby, R. Wettemann, R. Geisert, 2011 .

Relationship between genotype of sire and dam, and plasma insulin-like growth factor-I concentrations in crossbred cows post partum

D. S. Buchanan, R. Wettemann, L. Spicer, 1993 .

GnRH in the infundibular stalk-median eminence is related to percentage body fat in carcasses of beef cows.

R. Rasby, R. Wettemann, P. G. Harms, 1992, Domestic Animal Endocrinology.

Seasonal effects on estrous behavior and time of ovulation in nonlactating beef cows.

M. Looper, G. Morgan, F. White, 2002, Journal of animal science.

Luteal function and estrus in peripubertal beef heifers treated with an intravaginal progesterone releasing device with or without a subsequent injection of estradiol.

R. Rasby, J. Kinder, J. Lynch, 1998, Theriogenology.

Genetic variation in days to onset of postpartum ovarian function for cows sired by high and low Milk EPD Hereford and Angus bulls.

D. S. Buchanan, R. Wettemann, K. Stutts, 2000 .

Effects of feeding energy or protein supplements before or after calving on performance of spring-calving cows grazing native range.

H. T. Purvis, R. Wettemann, T. Marston, 1995, Journal of animal science.

Influence of winter weight loss on calf birth weight and reproductive performance of range cows.

E. J. Turman, R. Wettemann, K. Lusby, 1980 .

Effect of body condition score at calving and postpartum nutrition on performance of two-year-old heifers.

D. Bell, R. Wettemann, K. Lusby, 1990 .

Incidence of puberty in beef heifers fed high- or low-starch diets for different periods before breeding.

G. Horn, D. Lalman, H. T. Purvis, 2005, Journal of animal science.

Pulsatile infusion of gonadotropin-releasing hormone initiates luteal activity in nutritionally anestrous beef cows.

R. Wettemann, D. K. Bishop, 1993, Journal of animal science.

EFFECTS OF EARLY-WEANING AND BODY CONDITION

H. T. Purvis, R. Wettemann, K. Lusby, 1995 .

Whole soybean supplementation and cow age class: effects on intake, digestion, performance, and reproduction of beef cows.

C. Krehbiel, D. Lalman, R. Wettemann, 2008, Journal of animal science.

Effects of postweaning diet on age and weight at puberty and mild production of heifers.

R. Wettemann, T. Marston, K. Lusby, 1995, Journal of animal science.

Relationship of ruminal temperature with parturition and estrus of beef cows.

E. Wright, N. Long, R. Wettemann, 2011, Journal of animal science.

Effect of growing beef replacement heifers on wheat pasture before and during breeding on reproductive performance

G. Horn, D. Lalman, R. Wettemann, 2011 .

The value of wheat middlings as a supplement for wintering spring calving cows grazing native range.

R. Wettemann, K. Lusby, K. Ovenell, 1990 .

Clenbuterol (planipart™) for the postponement of parturition in cattle

R. Wettemann, K. Lusby, B. Pratt, 1985 .

Occurrence of the Gulf Coast Tick (Acari: Ixodidae) on Wild and Domestic Mammals in North-Central Oklahoma

S. A. Ewing, M. Payton, R. Barker, 2004, Journal of medical entomology.

Estrus and Luteal Activity of Postpartum Beef Cows After Treatment with Estradiol

N. Long, R. Wettemann, I. Rubio, 2009 .

Luteinizing hormone, prolactin, and interval to ovulation after melengestrol acetate in cattle.

R. Wettemann, H. Hafs, D. Morrow, 1973, Journal of dairy science.

C ASE STUDY: Ruminal temperature as a measure of body temperature of beef cows and relationship with ambient

R. Wettemann, B. Boehmer, T. A. Pye, 2015 .

Effect of plasma from cyclic versus nutritionally induced anovulatory beef heifers on proliferation of granulosa cells in vitro.

I. Bossis, R. Wettemann, L. Spicer, 2008, Domestic animal endocrinology.

Ovarian function in nutritionally induced anoestrous cows: effect of exogenous gonadotrophin-releasing hormone in vivo and effect of insulin and insulin-like growth factor I in vitro.

R. Wettemann, L. Spicer, J. Vizcarra, 1999, Journal of reproduction and fertility.