Ricardo C Chebel

Ricardo C Chebel, DVM, MPVM, PhD

Weeks' Endowed Professor Of Cattle Health And Welfare

Department: Large Animal Clinical Sciences
Business Phone: (352) 294-4303
Business Email: rcchebel@ufl.edu

Teaching Profile

Courses Taught
2017-2021
VME6905 Problems in Veterinary Medical Sciences
2015,2019-2022
VME4103 Livestock Health/Disease Prevention
2019-2020
VEM5836 Adv Clk Rural Anim Md
2017-2024
VEM5277 Adv Bovine Reproduct
2018-2024
VEM5352 Dairy Production Med
2017-2024
VEM5041 Animal Welfare/Ethics
2018
VME7979 Advanced Research
2017
VEM5735 Food Anml/Repro Med
2017
VEM5835 Food Animal Repro Med
2017
VEM5278L Theriogenology

Research Profile

Dairy cattle health, management, and welfare. Emphasis on: periparturient cow health and behavior, automated devices for monitoring periparturient cows and pre-weaned calves, reproductive physiology and management, automated devices for estrous detection and improvement of fertility.

Open Researcher and Contributor ID (ORCID)

0000-0002-9700-8089

Publications

2024
A randomized trial on the effects of heat abatement during the pre-weaning phase on growth and reproductive performance of heifers and health, reproductive and productive performances of cows.
Preventive veterinary medicine. 230 [DOI] 10.1016/j.prevetmed.2024.106259. [PMID] 38964209.
2024
Application of behavior data to predictive exploratory models of metritis self-cure and treatment failure in dairy cows
Journal of Dairy Science. 107(7):4881-4894 [DOI] 10.3168/jds.2023-23611.
2024
Association between prepartum body condition score and prepartum and postpartum dry matter intake and energy balance in multiparous Holstein cows.
Journal of dairy science. 107(7):4381-4393 [DOI] 10.3168/jds.2023-24047. [PMID] 38278298.
2024
Effect of transgenerational environmental condition on genetics parameters of Italian Brown Swiss
Journal of Dairy Science. 107(3):1549-1560 [DOI] 10.3168/jds.2023-23741.
2024
Effects of supplementation of grazing Nellore cows with β-carotene and vitamins A + D3 + E + biotin on follicle diameter, oestrus, establishment of pregnancy, and foetal morphometry.
Reproduction in domestic animals = Zuchthygiene. 59(7) [DOI] 10.1111/rda.14660. [PMID] 38962998.
2024
Evaluating differences in milk production, reproductive performance, and survival associated with vaginal discharge characteristics and fever in postpartum dairy cows.
Journal of dairy science. 107(8):6079-6089 [DOI] 10.3168/jds.2023-23905. [PMID] 38580147.
2024
Integrating uterine microbiome and metabolome to advance the understanding of the uterine environment in dairy cows with metritis.
Animal microbiome. 6(1) [DOI] 10.1186/s42523-024-00314-7. [PMID] 38802977.
2023
A randomized trial on the effects of heat stress abatement on environmental conditions and growth, feed efficiency, and concentration of metabolites of pre-weaned female Holstein calves.
Preventive veterinary medicine. 213 [DOI] 10.1016/j.prevetmed.2023.105863. [PMID] 36764217.
2023
Blood metabolomics and impacted cellular mechanisms during transition into lactation in dairy cows that develop metritis
Journal of Dairy Science. 106(11):8098-8109 [DOI] 10.3168/jds.2023-23433.
2023
Combined effect of purulent vaginal discharge and anovulation on pregnancy status in a large multi-state population of Holstein cows
JDS Communications. 4(2):106-110 [DOI] 10.3168/jdsc.2022-0271. [PMID] 36974209.
2023
Evaluation of carinata meal or cottonseed meal as protein sources in silage-based diets on behavior, nutrient digestibility, and performance in backgrounding beef heifers.
Journal of animal science. 101 [DOI] 10.1093/jas/skac402. [PMID] 36805233.
2023
Genome-wide association and genomic prediction for a reproductive index summarizing fertility outcomes in U.S. Holsteins.
G3 (Bethesda, Md.). 13(9) [DOI] 10.1093/g3journal/jkad043. [PMID] 36848195.
2023
Individual animal variability in rumination, activity, and lying behavior during the periparturient period of dairy cattle
JDS Communications. 4(3):205-209 [DOI] 10.3168/jdsc.2022-0300. [PMID] 37360120.
2023
Induced endometrial inflammation compromises conceptus development in dairy cattle†.
Biology of reproduction. 109(4):415-431 [DOI] 10.1093/biolre/ioad088. [PMID] 37540198.
2023
Reproduction in the era of genomics and automation
Reproduction, Fertility and Development. 36(2):51-65 [DOI] 10.1071/rd23173.
2023
Targeted reproductive management for lactating Holstein cows: Reducing the reliance on exogenous reproductive hormones.
Journal of dairy science. 106(8):5788-5804 [DOI] 10.3168/jds.2022-22666. [PMID] 37349211.
2023
Unraveling the immune and metabolic changes associated with metritis in dairy cows
Journal of Dairy Science. 106(12):9244-9259 [DOI] 10.3168/jds.2023-23289.
2022
Behavioral changes of metritic primiparous cows treated with chitosan microparticles or ceftiofur
JDS Communications. 3(4):265-269 [DOI] 10.3168/jdsc.2022-0221. [PMID] 36338013.
2022
Evaluation of luteolysis, follicle size, and time to ovulation in Holstein heifers treated with two different analogs and doses of prostaglandin-F2α.
Journal of dairy science. 105(6):5506-5518 [DOI] 10.3168/jds.2021-21487. [PMID] 35465991.
2022
Heat abatement during the pre-weaning period: effects on growth, feed efficiency, metabolites, and insulin of male Holstein calves
International Journal of Biometeorology. 66(11):2169-2181 [DOI] 10.1007/s00484-022-02358-3.
2022
Heat abatement during the pre-weaning period: effects on lying behavior and disbudding-related responses of male Holstein calves
International Journal of Biometeorology. 66(11):2159-2168 [DOI] 10.1007/s00484-022-02319-w.
2022
Validation of a fully automated chemiluminescent immunoassay for cattle serum and plasma progesterone measurement.
Frontiers in veterinary science. 9 [DOI] 10.3389/fvets.2022.1064201. [PMID] 36699340.
2021
Associations between days on close-up diets and immune responses prepartum, metabolites peripartum, and risk of postpartum diseases in Jersey cows
Journal of Dairy Science. 104(6):7135-7153 [DOI] 10.3168/jds.2020-19700.
2021
Economic comparison between ceftiofur-treated and nontreated dairy cows with metritis.
Journal of dairy science. 104(8):8918-8930 [DOI] 10.3168/jds.2020-19430. [PMID] 33934874.
2021
Effect of body condition change and health status during early lactation on performance and survival of Holstein cows
Journal of Dairy Science. 104(12):12785-12799 [DOI] 10.3168/jds.2020-20091.
2021
Effect of Gammulin supplementation during the first 24 d of life on health, growth, and first-lactation performance of Holstein cows.
Journal of dairy science. 104(12):12567-12579 [DOI] 10.3168/jds.2020-19937. [PMID] 34531050.
2021
Effects of 2 intramammary antimicrobial formulations on control of mastitis during the dry-period and performance of dairy cows
Applied Animal Science. 37(5):635-640 [DOI] 10.15232/aas.2021-02141.
2021
Effects of adding an automated monitoring device to the health screening of postpartum Holstein cows on survival and productive and reproductive performances
Journal of Dairy Science. 104(3):3439-3457 [DOI] 10.3168/jds.2020-18562.
2021
Effects of metritis treatment strategies on health, behavior, reproductive, and productive responses of Holstein cows
Journal of Dairy Science. 104(2):2056-2073 [DOI] 10.3168/jds.2020-19076.
2021
Effects of providing artificial shade to pregnant grazing beef heifers on vaginal temperature, growth, activity, and behavior.
Translational animal science. 5(2) [DOI] 10.1093/tas/txab053. [PMID] 34386711.
2021
Failure of clinical cure in dairy cows treated for metritis is associated with reduced productive and reproductive performance
Journal of Dairy Science. 104(6):7056-7070 [DOI] 10.3168/jds.2020-19661.
2021
Investigating the Use of Dry Matter Intake and Energy Balance Prepartum as Predictors of Digestive Disorders Postpartum.
Frontiers in veterinary science. 8 [DOI] 10.3389/fvets.2021.645252. [PMID] 34604365.
2021
Predicting the risk of retained fetal membranes and metritis in dairy cows according to prepartum hemogram and immune and metabolic status.
Preventive veterinary medicine. 187 [DOI] 10.1016/j.prevetmed.2020.105204. [PMID] 33257005.
2021
Predictive models to identify Holstein cows at risk of metritis and clinical cure and reproductive/productive failure following antimicrobial treatment
Preventive Veterinary Medicine. 194 [DOI] 10.1016/j.prevetmed.2021.105431.
2021
Risk factors for purulent vaginal discharge and its association with reproductive performance of lactating Jersey cows.
Journal of dairy science. 104(12):12816-12829 [DOI] 10.3168/jds.2021-20502. [PMID] 34482979.
2021
The economic cost of metritis in dairy herds.
Journal of dairy science. 104(3):3158-3168 [DOI] 10.3168/jds.2020-19125. [PMID] 33455790.
2020
Associations between genomic merit for daughter pregnancy rate of Holstein cows and metabolites postpartum and estrus characteristics
Journal of Dairy Science. 103(11):10754-10768 [DOI] 10.3168/jds.2020-18207.
2020
Associations of reproductive indices with fertility outcomes, milk yield, and survival in Holstein cows
Journal of Dairy Science. 103(7):6647-6660 [DOI] 10.3168/jds.2019-17867.
2020
Development and Implementation of a National Center of Excellence in Dairy Production Medicine Education for Veterinary Students: Description of the Effort and Lessons Learned.
Journal of veterinary medical education. 47(3):250-262 [DOI] 10.3138/jvme.1117-161r. [PMID] 32486946.
2020
Early-lactation diseases and fertility in 2 seasons of calving across US dairy herds
Journal of Dairy Science. 103(11):10560-10576 [DOI] 10.3168/jds.2019-17951.
2020
Effect of estrous detection strategy on pregnancy outcomes of lactating Holstein cows receiving artificial insemination and embryo transfer
Journal of Dairy Science. 103(7):6635-6646 [DOI] 10.3168/jds.2019-17892.
2020
Effects of timing of artificial insemination and treatment of semen with a Slo3 potassium channel blocker on fertility of dairy heifers subjected to the 5-day CIDR-Synch protocol
Journal of Dairy Science. 103(8):7462-7471 [DOI] 10.3168/jds.2019-18103.
2020
Genome-enable prediction for health traits using high-density SNP panel in US Holstein cattle.
Animal genetics. 51(2):192-199 [DOI] 10.1111/age.12892. [PMID] 31909828.
2020
Optimization of timing of insemination of dairy heifers inseminated with sex-sorted semen
Journal of Dairy Science. 103(6):5591-5603 [DOI] 10.3168/jds.2019-17870.
2020
Technical note: Validation of a system for monitoring individual behavior of Holstein cows
Journal of Dairy Science. 103(8):7425-7430 [DOI] 10.3168/jds.2019-17922.
2020
Using chitosan microparticles to treat metritis in lactating dairy cows
Journal of Dairy Science. 103(8):7377-7391 [DOI] 10.3168/jds.2019-18028.
2019
Association of dry matter intake and energy balance prepartum and postpartum with health disorders postpartum: Part I. Calving disorders and metritis.
Journal of dairy science. 102(10):9138-9150 [DOI] 10.3168/jds.2018-15878. [PMID] 31326177.
2019
Association of dry matter intake and energy balance prepartum and postpartum with health disorders postpartum: Part II. Ketosis and clinical mastitis.
Journal of dairy science. 102(10):9151-9164 [DOI] 10.3168/jds.2018-15879. [PMID] 31326169.
2019
Embryo and cow factors affecting pregnancy per embryo transfer for multiple-service, lactating Holstein recipients.
Translational animal science. 3(1):60-65 [DOI] 10.1093/tas/txz009. [PMID] 32704778.
2019
Estrous characteristics and reproductive outcomes of Holstein heifers treated with 2 prostaglandin formulations and detected in estrus by an automated estrous detection or mounting device.
Journal of dairy science. 102(7):6649-6659 [DOI] 10.3168/jds.2018-15957. [PMID] 31030926.
2019
Genomic merit for reproductive traits. I: Estrous characteristics and fertility in Holstein heifers.
Journal of dairy science. 102(7):6624-6638 [DOI] 10.3168/jds.2018-15205. [PMID] 31030916.
2019
Genomic merit for reproductive traits. II: Physiological responses of Holstein heifers.
Journal of dairy science. 102(7):6639-6648 [DOI] 10.3168/jds.2018-15245. [PMID] 31030930.
2019
Technical note: validation of a system for monitoring individual behavior in beef heifers.
Journal of animal science. 97(12):4732-4736 [DOI] 10.1093/jas/skz326. [PMID] 31616938.
2018
Association between body condition score change during the dry period and postpartum health and performance.
Journal of dairy science. 101(5):4595-4614 [DOI] 10.3168/jds.2017-13732. [PMID] 29550131.
2018
Effects of treatment of preweaning dairy calves with recombinant bovine somatotropin on immune responses and somatotropic axis.
Journal of dairy science. 101(7):6602-6615 [DOI] 10.3168/jds.2017-13917. [PMID] 29655555.
2017
Associations between activity of arginase or matrix metalloproteinase-8 (MMP-8) and metritis in periparturient dairy cattle.
Theriogenology. 97:83-88 [DOI] 10.1016/j.theriogenology.2017.04.025. [PMID] 28583613.
2017
Effect of recombinant bovine somatotropin on leukocyte mRNA expression for genes related to cell energy metabolism, cytokine production, phagocytosis, oxidative burst, and adaptive immunity.
Journal of dairy science. 100(10):8471-8483 [DOI] 10.3168/jds.2016-12106. [PMID] 28780099.
2017
Effects of intrauterine infusion of Escherichia coli lipopolysaccharide on uterine health, resolution of purulent vaginal discharge, and reproductive performance of lactating dairy cows.
Journal of dairy science. 100(6):4772-4783 [DOI] 10.3168/jds.2016-11630. [PMID] 28434752.
2017
Effects of intrauterine infusion of Escherichia coli lipopolysaccharide on uterine mRNA gene expression and peripheral polymorphonuclear leukocytes in Jersey cows diagnosed with purulent vaginal discharge.
Journal of dairy science. 100(6):4784-4796 [DOI] 10.3168/jds.2016-11643. [PMID] 28434729.
2017
Effects of treatment of periparturient dairy cows with recombinant bovine somatotropin on health and productive and reproductive parameters.
Journal of dairy science. 100(4):3126-3142 [DOI] 10.3168/jds.2016-11737. [PMID] 28215881.
2017
Hepatic mRNA expression for genes related to somatotropic axis, glucose and lipid metabolisms, and inflammatory response of periparturient dairy cows treated with recombinant bovine somatotropin.
Journal of dairy science. 100(5):3983-3999 [DOI] 10.3168/jds.2016-12135. [PMID] 28237587.
2016
Association between Prepartum Feeding Behavior and Periparturient Health Disorders in Dairy Cows.
Frontiers in veterinary science. 3 [DOI] 10.3389/fvets.2016.00065. [PMID] 27597948.
2016
Effects of prepartum stocking density on innate and adaptive leukocyte responses and serum and hair cortisol concentrations.
Veterinary immunology and immunopathology. 169:39-46 [DOI] 10.1016/j.vetimm.2015.11.007. [PMID] 26827837.
2016
Factors affecting the success of a large embryo transfer program in Holstein cattle in a commercial herd in the southeast region of the United States.
Theriogenology. 86(7):1834-41 [DOI] 10.1016/j.theriogenology.2016.05.032. [PMID] 27364084.
2016
Reproductive Systems for North American Dairy Cattle Herds.
The Veterinary clinics of North America. Food animal practice. 32(2):267-84 [DOI] 10.1016/j.cvfa.2016.01.002. [PMID] 27324450.
2016
Short communication: Plasma progesterone concentration and ovarian dynamics of lactating Jersey cows treated with 1 or 2 intravaginal progesterone inserts.
Journal of dairy science. 99(3):2353-2357 [DOI] 10.3168/jds.2015-10159. [PMID] 26805992.
2016
Social stressors and their effects on immunity and health of periparturient dairy cows.
Journal of dairy science. 99(4):3217-3228 [DOI] 10.3168/jds.2015-10369. [PMID] 26898274.
2016
Time of insemination relative to reaching activity threshold is associated with pregnancy risk when using sex-sorted semen for lactating Jersey cows
Theriogenology. 85(3):533-539 [DOI] 10.1016/j.theriogenology.2015.09.042.
2015
Characterization of peripartum rumination and activity of cows diagnosed with metabolic and uterine diseases.
Journal of dairy science. 98(10):6812-27 [DOI] 10.3168/jds.2014-8947. [PMID] 26233440.
2015
Cow- and herd-level risk factors for on-farm mortality in Midwest US dairy herds.
Journal of dairy science. 98(7):4401-13 [DOI] 10.3168/jds.2014-8513. [PMID] 25981068.
2015
Effect of stocking density on social, feeding, and lying behavior of prepartum dairy animals.
Journal of dairy science. 98(1):240-9 [DOI] 10.3168/jds.2014-8492. [PMID] 25465554.
2015
Effects of recombinant bovine somatotropin during the periparturient period on innate and adaptive immune responses, systemic inflammation, and metabolism of dairy cows.
Journal of dairy science. 98(7):4449-64 [DOI] 10.3168/jds.2014-8959. [PMID] 25912866.
2015
Short communication: Insertion of an intravaginal progesterone device at the time of gonadotropin-releasing hormone (GnRH) injection affects neither GnRH-induced release of luteinizing hormone nor development of dominant follicle in early diestrus of lactating dairy cows.
Journal of dairy science. 98(6):3918-25 [DOI] 10.3168/jds.2014-9151. [PMID] 25892694.
2014
Comparison of peripartum metabolic status and postpartum health of Holstein and Montbéliarde-sired crossbred dairy cows.
Journal of dairy science. 97(2):805-18 [DOI] 10.3168/jds.2013-7159. [PMID] 24290816.
2014
Effect of an Ovsynch56 protocol initiated at different intervals after insemination with or without a presynchronizing injection of gonadotropin-releasing hormone on fertility in lactating dairy cows.
Journal of dairy science. 97(1):185-94 [DOI] 10.3168/jds.2013-6827. [PMID] 24183690.
2014
Effect of prepartum grouping strategy on displacements from the feed bunk and feeding behavior of dairy cows.
Journal of dairy science. 97(5):2800-7 [DOI] 10.3168/jds.2013-7401. [PMID] 24630666.
2014
Prepartum stocking density: effects on metabolic, health, reproductive, and productive responses.
Journal of dairy science. 97(9):5521-32 [DOI] 10.3168/jds.2014-8093. [PMID] 24952785.
2013
Comparison of innate immune responses and somatotropic axis components of Holstein and Montbéliarde-sired crossbred dairy cows during the transition period.
Journal of dairy science. 96(6):3588-98 [DOI] 10.3168/jds.2012-5804. [PMID] 23548296.
2013
Effects of weekly regrouping of prepartum dairy cows on innate immune response and antibody concentration.
Journal of dairy science. 96(12):7649-57 [DOI] 10.3168/jds.2013-6752. [PMID] 24140318.
2013
Effects of weekly regrouping of prepartum dairy cows on metabolic, health, reproductive, and productive parameters.
Journal of dairy science. 96(7):4436-46 [DOI] 10.3168/jds.2012-6464. [PMID] 23660147.
2013
Evaluation of ceftiofur crystalline free acid sterile suspension for control of metritis in high-risk lactating dairy cows.
Theriogenology. 79(4):725-34 [DOI] 10.1016/j.theriogenology.2012.11.029. [PMID] 23290752.
2013
Evaluation of presynchronized resynchronization protocols for lactating dairy cows.
Journal of dairy science. 96(2):1009-20 [DOI] 10.3168/jds.2012-5892. [PMID] 23219121.
2013
Evaluation of reproductive and economic outcomes of dairy heifers inseminated at induced estrus or at fixed time after a 5-day or 7-day progesterone insert-based ovulation synchronization protocol.
Journal of dairy science. 96(3):1612-22 [DOI] 10.3168/jds.2012-5971. [PMID] 23357022.
2013
Minimal progesterone concentration required for embryo survival after embryo transfer in lactating Holstein cows.
Animal reproduction science. 136(4):223-30 [DOI] 10.1016/j.anireprosci.2012.10.014. [PMID] 23199583.
2013
Supplemental progesterone and timing of resynchronization on pregnancy outcomes in lactating dairy cows.
Journal of dairy science. 96(11):7032-7042 [DOI] 10.3168/jds.2013-6960. [PMID] 24011951.
2012
Effects of resynchronization strategies for lactating Holstein cows on pattern of reinsemination, fertility, and economic outcome.
Theriogenology. 77(6):1151-8 [DOI] 10.1016/j.theriogenology.2011.10.021. [PMID] 22284222.
2012
Low progesterone concentration during the development of the first follicular wave reduces pregnancy per insemination of lactating dairy cows.
Journal of dairy science. 95(4):1794-806 [DOI] 10.3168/jds.2011-4650. [PMID] 22459828.
2012
Ovarian responses and embryo survival in recipient lactating Holstein cows treated with equine chorionic gonadotropin.
Theriogenology. 77(2):400-11 [DOI] 10.1016/j.theriogenology.2011.08.014. [PMID] 21958626.
2012
Short communication: characterization of early postpartum estrous behavior and ovulation in lactating dairy cows using radiotelemetry.
Journal of dairy science. 95(9):5085-5088 [DOI] 10.3168/jds.2011-5076. [PMID] 22916912.
2011
Association between leptin single nucleotide polymorphism and reproductive performance of lactating Holstein cows.
Animal reproduction science. 127(3-4):126-34 [DOI] 10.1016/j.anireprosci.2011.06.011. [PMID] 21917388.
2011
Concentration of progesterone during the development of the ovulatory follicle: I. Ovarian and embryonic responses.
Journal of dairy science. 94(7):3342-51 [DOI] 10.3168/jds.2010-3734. [PMID] 21700020.
2011
Concentration of progesterone during the development of the ovulatory follicle: II. Ovarian and uterine responses.
Journal of dairy science. 94(7):3352-65 [DOI] 10.3168/jds.2010-3735. [PMID] 21700021.
2011
Reduced progesterone concentration during growth of the first follicular wave affects embryo quality but has no effect on embryo survival post transfer in lactating dairy cows.
Reproduction (Cambridge, England). 141(3):333-42 [DOI] 10.1530/REP-10-0375. [PMID] 21177956.
2010
Effect of bovine somatotropin (500 mg) administered at ten-day intervals on ovulatory responses, expression of estrus, and fertility in dairy cows.
Journal of dairy science. 93(4):1500-10 [DOI] 10.3168/jds.2009-2489. [PMID] 20338427.
2010
Effect of inseminating cows in estrus following a presynchronization protocol on reproductive and lactation performances.
Journal of dairy science. 93(10):4632-43 [DOI] 10.3168/jds.2010-3179. [PMID] 20854997.
2010
Effect of reducing the period of follicle dominance in a timed artificial insemination protocol on reproduction of dairy cows.
Journal of dairy science. 93(7):2976-88 [DOI] 10.3168/jds.2009-2870. [PMID] 20630214.
2010
Follicular wave of the ovulatory follicle and not cyclic status influences fertility of dairy cows.
Journal of dairy science. 93(8):3578-87 [DOI] 10.3168/jds.2010-3047. [PMID] 20655426.
2010
Progesterone Concentration Required for Establishment of Pregnancy Following Embryo Transfer in Lactating Holstein Cows
Journal of Dairy Science. 93
2010
Resynchronization strategies to improve fertility in lactating dairy cows utilizing a presynchronization injection of GnRH or supplemental progesterone: I. Pregnancy rates and ovarian responses.
Journal of dairy science. 93(9):4086-95 [DOI] 10.3168/jds.2010-3233. [PMID] 20723683.
2010
Sex-sorted semen for dairy heifers: effects on reproductive and lactational performances.
Journal of dairy science. 93(6):2496-507 [DOI] 10.3168/jds.2009-2858. [PMID] 20494157.
2010
Supplementation of progesterone via controlled internal drug release inserts during ovulation synchronization protocols in lactating dairy cows.
Journal of dairy science. 93(3):922-31 [DOI] 10.3168/jds.2009-2301. [PMID] 20172212.
2009
Effect of fat source differing in fatty acid profile on metabolic parameters, fertilization, and embryo quality in high-producing dairy cows.
Journal of dairy science. 92(4):1520-31 [DOI] 10.3168/jds.2008-1614. [PMID] 19307633.
2009
Effect of increasing amounts of supplemental progesterone in a timed artificial insemination protocol on fertility of lactating dairy cows.
Journal of dairy science. 92(11):5436-46 [DOI] 10.3168/jds.2009-2134. [PMID] 19841206.
2009
Period of dominance of the ovulatory follicle influences embryo quality in lactating dairy cows.
Reproduction (Cambridge, England). 137(5):813-23 [DOI] 10.1530/REP-08-0242. [PMID] 19204087.
2008
Effect of breeding protocols and reproductive tract score on reproductive performance of dairy heifers and economic outcome of breeding programs.
Journal of dairy science. 91(9):3424-38 [DOI] 10.3168/jds.2007-0804. [PMID] 18765601.
2008
Effect of Calcium Salts of Fish and Palm Oils On Lactational Performance of Holstein Cows
Animal Feed Science and Technology. 140(1-2):18-38 [DOI] 10.1016/j.anifeedsci.2007.01.018.
2008
Effect of synchronization protocols on follicular development and estradiol and progesterone concentrations of dairy heifers.
Journal of dairy science. 91(8):3045-56 [DOI] 10.3168/jds.2007-0625. [PMID] 18650281.
2008
Factors affecting success of embryo collection and transfer in large dairy herds.
Theriogenology. 69(1):98-106 [PMID] 18023856.
2008
Gossypol disrupts embryo development in heifers.
Journal of dairy science. 91(8):3015-24 [DOI] 10.3168/jds.2007-0939. [PMID] 18650278.
2008
Leptin genotype is associated with lactation performance and health of Holstein cows.
Journal of dairy science. 91(7):2893-900 [DOI] 10.3168/jds.2007-0891. [PMID] 18565947.
2007
Correlation between reproductive status and steady-state messenger ribonucleic acid levels of the Myxovirus resistance gene, MX2, in peripheral blood leukocytes of dairy heifers.
Journal of animal science. 85(9):2163-72 [PMID] 17431047.
2007
Efficacy of an injection of dinoprost tromethamine when given subcutaneously on luteal regression in lactating Holstein cows.
Theriogenology. 67(3):590-7 [PMID] 17126390.
2007
Evaluation of methods of resynchronization for insemination in cows of unknown pregnancy status.
Journal of dairy science. 90(9):4240-52 [PMID] 17699043.
2007
Factors affecting reproductive performance of Holstein heifers.
Animal reproduction science. 101(3-4):208-24 [PMID] 17045427.
2006
Embryo survival from gossypol-fed heifers after transfer to lactating cows treated with human chorionic gonadotropin.
Journal of dairy science. 89(6):2056-64 [PMID] 16702269.
2006
Reproduction in dairy cows following progesterone insert presynchronization and resynchronization protocols.
Journal of dairy science. 89(11):4205-19 [PMID] 17033007.
2005
Evaluation of factors that affect embryonic loss in dairy cattle.
Journal of the American Veterinary Medical Association. 226(7):1112-8 [PMID] 15825738.
2004
Effect of bST and reproductive management on reproductive performance of Holstein dairy cows.
Journal of dairy science. 87(4):868-81 [PMID] 15259221.
2004
Factors affecting conception rate after artificial insemination and pregnancy loss in lactating dairy cows.
Animal reproduction science. 84(3-4):239-55 [PMID] 15302368.
2004
The effect of embryonic death rates in cattle on the efficacy of estrus synchronization programs.
Animal reproduction science. 82-83:513-35 [PMID] 15271477.
2004
Timed artificial insemination with estradiol cypionate or insemination at estrus in high-producing dairy cows.
Journal of dairy science. 87(11):3704-15 [PMID] 15483154.
2003
Effect of resynchronization with GnRH on day 21 after artificial insemination on pregnancy rate and pregnancy loss in lactating dairy cows.
Theriogenology. 60(8):1389-99 [PMID] 14519461.

Grants

Jun 2022 ACTIVE
Mitigating Heat Stress in grazing Bos Indicus-Influenced Beef Cattle in Tropical/Subtropical Environments
Role: Co-Project Director/Principal Investigator
Funding: US DEPT OF AG NATL INST OF FOOD AND AG
Sep 2021 – Aug 2022
Genomics to phenomics integration to predict feed efficiency in beef cattle
Role: Co-Project Director/Principal Investigator
Funding: FL CATTLE ENHANCEMENT BOARD via FL DEPT OF AG AND CONSUMER SER
Sep 2021 ACTIVE
Effect of non-steroidal anti-inflammatory on behavioral and inflammatory responses of Holstein cows challenged with E. coli
Role: Principal Investigator
Funding: MERCK ANIMAL HEALTH
Jan 2021 ACTIVE
Reproductive Biotechnology Concentration at University of Florida
Role: Faculty
Funding: US DEPT OF AG NATL INST OF FOOD AND AG
Jun 2020 ACTIVE
Impact of fertility-based selection on key physiological pathways that control reproduction in dairy cattle
Role: Co-Investigator
Funding: US DEPT OF AG NATL INST OF FOOD AND AG
Jun 2019 – Jun 2019
Dairy Production and Management Certificate Program (DPMCP) for Avenida Doutor Chucri Zaidan
Role: Principal Investigator
Funding: MERCK SHARP & DOHME
Nov 2018 – Jun 2022
Test of a new superovulatory drug (compound X by Merck Animal Health) for cattle
Role: Principal Investigator
Funding: MERCK ANIMAL HEALTH
Jun 2018 – Jun 2021
Evaluation of proestrus characteristics, hormonal profile, and interval to ovulation in Holstein heifers treated with different formulations of prostaglandin F2a
Role: Co-Investigator
Funding: MERCK ANIMAL HEALTH
May 2018 – May 2018
Dairy Production and Management Certificate Program (DPMCP) for Avenida Doutor Chucri Zaidan
Role: Principal Investigator
Funding: MERCK SHARP & DOHME
Dec 2017 – Nov 2021
Effects of dietary 25-hydroxyvitamin D3 on development of dairy heifers
Role: Co-Investigator
Funding: DSM NUTRITIONAL PRODUCTS AG
Oct 2017 – Jul 2020
Effects of Metritis Treatment Strategies on Health, Production, and Reproductive Performance, and Indicators of Welfare
Role: Principal Investigator
Funding: ZOETIS
Jun 2017 – Jun 2017
Dairy Production and Management Certificate Program (DPMCP) for Avenida Doutor Chucri Zaidan
Role: Principal Investigator
Funding: MERCK SHARP & DOHME
Feb 2016 – Jul 2019
Genomic Selection for Improved Fertility of Dairy Cows with Emphases on Cyclicity and Pregnancy
Role: Co-Investigator
Funding: COLORADO STATE UNIV via US DEPT OF AG NATL INST OF FOOD AND AG

Education

Dairy Production Medicine Residency
2004 · University of California Davis
Master of Preventive Veterinary Medicine
2004 · University of California Davis
Post-graduate researcher
2001 · Veterinary Medicine Teaching and Research Center, University of California Davis
Intern
2000 · RuAnn and Maddox Dairies, Riverside, California
Doctor of Veterinary Medicine
1999 · Universidade Paulista, São Paulo, Brazil

Contact Details

Phones:
Business:
(352) 294-4303
Emails:
Business:
rcchebel@ufl.edu
Addresses:
Business Mailing:
PO Box 100136
GAINESVILLE FL 32610