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D. Hallford · SciRah

Researcher profile · Semantic Scholar

D. Hallford

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D. Hallford — researcher profile on SciRah

h-index: 34
Works: 192
Citations: 3,473

Most-cited papers

Calf removal improves conception rates to the Ovsynch and CO-Synch protocols.
T. W. Geary, J. Whittier, D. Hallford, M. Macneil
2001Journal of Animal Science152 citations
Semantic Scholar
Effects of feed restriction on reproductive and metabolic hormones in ewes.
Z. Kıyma, B. Alexander, E. V. van Kirk, W. Murdoch +2 more
2004Journal of Animal Science99 citations
Semantic Scholar
Effects of dietary protein and bacterial lipopolysaccharide infusion on nitrogen metabolism and hormonal responses of growing beef steers.
J. Waggoner, C. Löest, J. L. Turner, C. Mathis +1 more
2009Journal of Animal Science83 citations
Semantic Scholar
Effects of supplementation with high linoleic or oleic cracked safflower seeds on postpartum reproduction and calf performance of primiparous beef heifers.
J. Bottger, B. Hess, B. Alexander, D. Hixon +4 more
2002Journal of Animal Science75 citations
Semantic Scholar
Body condition and protein supplementation positively affect periovulatory ovarian activity by non LH-mediated pathways in goats.
C. Meza-Herrera, D. Hallford, J. Ortiz, R. Cuevas +4 more
2008Animal Reproduction Science73 citations Open access
Semantic Scholar
Follicle-stimulating hormone regulation of estradiol production: possible involvement of WNT2 and β-catenin in bovine granulosa cells.
B. I. Castañon, A. Stapp, C. A. Gifford, L. Spicer +2 more
2012Journal of Animal Science63 citations
Semantic Scholar
Performance by spring and fall-calving cows grazing with full, limited, or no access to toxic Neotyphodium coenophialum-infected tall fescue.
J. Caldwell, K. Coffey, J. Jennings, D. Philipp +11 more
2013Journal of Animal Science54 citations
Semantic Scholar
Relationships of metabolic hormones and serum glucose to growth and reproductive development in performance-tested Angus, Brangus, and Brahman bulls.
M. Thomas, R. M. Enns, D. Hallford, D. Keisler +7 more
2002Journal of Animal Science49 citations
Semantic Scholar
Effects of bacterial lipopolysaccharide injection on white blood cell counts, hematological parameters, and serum glucose, insulin, and cortisol concentrations in ewes fed low- or high-protein diets
D. T. Yates, C. Löest, T. Ross, D. Hallford +2 more
2011Journal of Animal Science46 citations Open access
Semantic Scholar
Effects of body condition and protein supplementation on LH secretion and luteal function in sheep.
C. Meza-Herrera, T. Ross, D. Hallford, D. Hawkins +1 more
2007Reproduction in domestic animals = Zuchthygiene46 citations Open access
Semantic Scholar
Canonical WNT Signaling Inhibits Follicle Stimulating Hormone Mediated Steroidogenesis in Primary Cultures of Rat Granulosa Cells
A. Stapp, B. Gómez, C. A. Gifford, D. Hallford +1 more
2014PLoS ONE44 citations Open access
Semantic Scholar
Effects of body condition on measures of intramuscular and rump fat, endocrine factors, and calving rate of beef cows grazing common bermudagrass or endophyte-infected tall fescue.
M. Looper, S. Reiter, B. Williamson, M. Sales +2 more
2010Journal of Animal Science44 citations
Semantic Scholar
Influence of toxic endophyte-infected fescue on sperm characteristics and endocrine factors of yearling Brahman-influenced bulls.
M. Looper, R. Rorie, C. Person, T. Lester +5 more
2009Journal of Animal Science43 citations
Semantic Scholar
Effect of increasing levels of undegradable intake protein on metabolic and endocrine factors in estrous cycling beef heifers.
K. K. Kane, D. Hawkins, G. Pulsipher, D. Denniston +7 more
2004Journal of Animal Science43 citations
Semantic Scholar
Effects of body condition score at parturition and postpartum supplemental fat on metabolite and hormone concentrations of beef cows and their suckling calves.
S. Lake, E. Scholljegerdes, D. Hallford, G. E. Moss +2 more
2006Journal of Animal Science42 citations
Semantic Scholar
Effects of rumen-protected methionine supplementation and bacterial lipopolysaccharide infusion on nitrogen metabolism and hormonal responses of growing beef steers.
J. Waggoner, C. Löest, C. Mathis, D. Hallford +1 more
2009Journal of Animal Science40 citations
Semantic Scholar
Metabolic characteristics of multiparous Angus and Brahman cows grazing in the Chihuahuan Desert.
B. Obeidat, M. Thomas, D. Hallford, D. Keisler +5 more
2002Journal of Animal Science38 citations
Semantic Scholar
Serum thyroid hormones and reproductive characteristics of Rambouillet ewe lambs treated with propylthiouracil before puberty.
N. H. Wells, D. Hallford, J. A. Hernandez
2003Theriogenology36 citations
Semantic Scholar
Effects of Supplementary Selenium Source on the Blood Parameters in Beef Cows and Their Nursing Calves
S. Gunter, P. Beck, D. Hallford
2013Biological Trace Element Research34 citations
Semantic Scholar
Short-term intake of beta-carotene-supplemented diets enhances ovarian function and progesterone synthesis in goats.
G. Arellano-Rodríguez, C. Meza-Herrera, R. Rodríguez-Martínez, R. Dionisio-Tapia +3 more
2009Journal of animal physiology and animal nutrition34 citations
Semantic Scholar
Effects of selenium supply and dietary restriction on maternal and fetal metabolic hormones in pregnant ewe lambs.
M. Ward, T. Neville, J. Reed, J. Taylor +6 more
2008Journal of Animal Science34 citations
Semantic Scholar
Dietary selenium and nutritional plane alter specific aspects of maternal endocrine status during pregnancy and lactation.
C. Lemley, A. M. Meyer, T. Neville, D. Hallford +9 more
2014Domestic Animal Endocrinology33 citations
Semantic Scholar
Technical note: comparison of salivary and serum cortisol concentrations after adrenocorticotropic hormone challenge in ewes.
D. T. Yates, T. Ross, D. Hallford, L. J. Yates +1 more
2010Journal of Animal Science33 citations
Semantic Scholar
Endocrine factors and ovarian follicles are influenced by body condition and somatotropin in postpartum beef cows.
R. Flores, M. Looper, R. Rorie, D. Hallford +1 more
2008Journal of Animal Science32 citations
Semantic Scholar
Effect of Ractopamine HCl Supplementation on Fecal Shedding of Escherichia coli O157:H7 and Salmonella in Feedlot Cattle
T. Edrington, T. Callaway, S. Ives, M. Engler +5 more
2006Current Microbiology29 citations
Semantic Scholar
High periconceptional protein intake modifies uterine and embryonic relationships increasing early pregnancy losses and embryo growth retardation in sheep.
C. Meza-Herrera, T. Ross, D. Hallford, D. Hawkins +1 more
2009Reproduction in domestic animals = Zuchthygiene26 citations Open access
Semantic Scholar
Influence of body condition and bovine somatotropin on estrous behavior, reproductive performance, and concentrations of serum somatotropin and plasma fatty acids in postpartum Brahman-influenced cows.
R. Flores, M. Looper, R. Rorie, M. A. Lamb +4 more
2007Journal of Animal Science25 citations
Semantic Scholar
Metabolic Hormone Profiles and Evaluation of Associations of Metabolic Hormones with Body Fat and Reproductive Characteristics of Angus, Brangus, and Brahman Heifers1
R. López, M. Thomas, D. Hallford, D. Keisler +4 more
200623 citations Open access
Semantic Scholar
Influence of short-term fasting during the luteal phase of the estrous cycle on ovarian follicular development during the ensuing proestrus of ewes.
B. Alexander, Z. Kıyma, M. McFarland, E. V. van Kirk +4 more
2007Animal Reproduction Science22 citations
Semantic Scholar
Ovarian cyclicity in thyroid-suppressed ewes treated with propylthiouracil immediately before onset of seasonal anestrus.
J. A. Hernandez, D. Hallford, N. H. Wells
2003Journal of Animal Science22 citations
Semantic Scholar
Effects of a dietary sweetener on growth performance and health of stressed beef calves and on diet digestibility and plasma and urinary metabolite concentrations of healthy calves.
Christian H. Ponce, M. Brown, J. S. Silva, P. Schlegel +2 more
2014Journal of Animal Science21 citations
Semantic Scholar
Effects of adding protein, condensed tannins, and polyethylene glycol to diets of sheep and goats fed one-seed juniper and low quality roughage
S. Utsumi, A. Cibils, Rick E. Estell, S. Soto-Navarro +2 more
201321 citations
Semantic Scholar
Effects of Exogenous Melatonin and Tryptophan on Fecal Shedding of E. Coli O157:H7 in Cattle
T. Edrington, T. Callaway, D. Hallford, Liang Chen +2 more
2008Microbial Ecology21 citations
Semantic Scholar
Validation of a fecal glucocorticoid metabolite assay to assess stress in the budgerigar (Melopsittacus undulatus)
Anna M. Young, D. Hallford
2012Zoo Biology20 citations Open access
Semantic Scholar
Serum luteinizing hormone, growth hormone and insulin-like growth factor-I after releasing hormone challenge in prepubertal ewe lambs selected for twinning.
K. L. Shirley, J. A. Hernandez, D. Hallford, M. Thomas
2001Theriogenology20 citations
Semantic Scholar
Evaluation of estrous synchronization protocols on ewe reproductive efficiency and profitability.
S. Rosasco, Joslyn K. Beard, D. Hallford, A. Summers
2019Animal Reproduction Science18 citations
Semantic Scholar
Effects of varying levels of undegradable intake protein on endocrine and metabolic function of young post-partum beef cows.
K. K. Kane, K. Creighton, M. Petersen, D. Hallford +2 more
2002Theriogenology18 citations
Semantic Scholar
Effects of locoweed on serum swainsonine and selected serum constituents in sheep during acute and subacute oral/intraruminal exposure.
B. Obeidat, J. Strickland, M. L. Vogt, J. Taylor +6 more
2005Journal of Animal Science17 citations
Semantic Scholar
Serum hormone profiles, pregnancy rates, and offspring performance of Rambouillet ewes treated with recombinant bovine somatotropin before breeding.
L. Camacho, J. Benavidez, D. Hallford
2012Journal of Animal Science16 citations
Semantic Scholar
Influence of Exogenous Triiodothyronine (T3) on Fecal Shedding of Escherichia coli O157 in Cattle
T. Edrington, T. Callaway, D. Hallford, R. Anderson +1 more
2007Microbial Ecology16 citations
Semantic Scholar
Effects of diet for early-weaned crossbred beef steers on metabolic profiles and febrile response to an infectious bovine herpesvirus-1 challenge
T. Whitney, G. Duff, J. Collins, D. Schafer +1 more
200615 citations
Semantic Scholar
A Chihuahuan Desert Brangus Breeding Program: Feed Efficiency, Metabolic Hormones, and Puberty in Heifers Sired by Bulls with Differing Expected Progeny Differences for Growth and Scrotal Circumference12
K. L. Shirley, M. Thomas, D. Keisler, D. Hallford +3 more
200614 citations Open access
Semantic Scholar
The influence of melatonin on growth of E. coli O157:H7 in pure culture and exogenous melatonin on faecal shedding of E. coli O157:H7 in experimentally infected wethers *
C. Schultz, T. Edrington, T. Callaway, S. B. Schroeder +4 more
2006Letters in Applied Microbiology14 citations Open access
Semantic Scholar
Arginine supplementation between 41 and 146 days of pregnancy reduces uterine blood flow in dairy heifers.
C. Yun-ta, K. Vonnahme, B. R. Mordhost, D. Hallford +3 more
2015Theriogenology13 citations
Semantic Scholar
Interactions between metabolic status, pre-breeding protein supplementation, uterine pH, and embrionic mortality in ewes: Preliminary observations
C. Meza-Herrera, T. Ross, D. Hawkins, D. Hallford
2006Tropical Animal Health and Production12 citations
Semantic Scholar
Effect of the thyroid on faecal shedding of E. coli O157:H7 and Escherichia coli in naturally infected yearling beef cattle *
C. Schultz, T. Edrington, S. B. Schroeder, D. Hallford +4 more
2005Journal of Applied Microbiology11 citations Open access
Semantic Scholar
Effect of neuropeptide Y on GnRH-induced LH release from bovine anterior pituitary cell cultures derived from heifers in a follicular, luteal or ovariectomized state.
D. Denniston, M. Thomas, K. K. Kane, C. N. Roybal +4 more
2003Animal Reproduction Science10 citations
Semantic Scholar
Targeted Grazing of White Locoweed: Short-Term Effects of Herbivory Regime on Vegetation and Sheep
L. Goodman, A. Cibils, Stephanie C. Lopez, R. Steiner +5 more
20149 citations
Semantic Scholar
Dynamics of GHRH in third-ventricle cerebrospinal fluid of cattle: relationship with serum concentrations of GH and responses to appetite-regulating peptides
M. Thomas, M. Amstalden, D. Hallford, G. Silver +3 more
2009Domestic Animal Endocrinology9 citations Open access
Semantic Scholar
Serum thyroid hormones and performance of offspring in ewes receiving propylthiouracil with or without melatonin.
C. A. Gifford, J. Duffey, R. Knight, D. Hallford
2007Animal Reproduction Science9 citations
Semantic Scholar

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