Joao Bittar

Joao Bittar, DVM, MSc., PhD.

Assistant Professor Of Beef Cattle Extension

Department: Large Animal Clinical Sciences
Business Phone: (352) 294-4349
Business Email: jbittar@ufl.edu

Accomplishments

Excellent Graduate Student Recruitment receipt
2014 · College of Veterinary Medicine, University of Georgia
Outstanding Service Resident Award in Food Animal Reproduction and Medicine Service receipt
2014 · College of Veterinary Medicine, University of Florida
Resident Research Award Competition receipt
2012 · College of Veterinary Medicine, University of Florida
Resident Research Award Competition receipt
2011 · College of Veterinary Medicine, University of Florida

Teaching Profile

Courses Taught
2011-2014,2020-2021
VEM5735 Food Anml/Repro Med
2014,2020-2021
VEM5835 Food Animal Repro Med
2020-2022
VEM5277 Adv Bovine Reproduct
2020,2022
VEM5530 Adv Beef Practice
2012
VEM5836 Adv Clk Rural Anim Md
2021
VME4103 Livestock Health/Disease Prevention
2022-2023
VME6905 Problems in Veterinary Medical Sciences
2022-2023
VEM5278L Theriogenology

Research Profile

– Bovine Respiratory Disease Complex – Trace Minerals – Infectious diseases of beef cattle – Reproduction

Open Researcher and Contributor ID (ORCID)

0000-0002-6440-6785

Publications

2022
Analysis of the USDA’s 2017 Cow-Calf Management Practices Results: Part 3—Natural Service and Bull Management
EDIS. 2022(4) [DOI] 10.32473/edis-an386-2022.
2022
Changes in serum testosterone and anti-Müllerian hormone concentration in bulls undergoing scrotal insulation
Domestic Animal Endocrinology. 78 [DOI] 10.1016/j.domaniend.2021.106685.
2021
A Research-Based Summary on Trace Minerals for Cattle
EDIS. 2021(6) [DOI] 10.32473/edis-vm245-2021.
2021
Analysis of the USDA’s 2017 Cow-Calf Management Practices Results: Part 1—Calf Crop and Calving Distribution
EDIS. 2021(6) [DOI] 10.32473/edis-an375-2021.
2021
Analysis of the USDA’s 2017 Cow-Calf Management Practices Results: Part 2—Breeding Practices/Reproductive Technologies
EDIS. 2021(6) [DOI] 10.32473/edis-an379-2021.
2021
Reproductive Tract Score: A Tool for Evaluating Beef Heifer Reproductive Potential
EDIS. 2021(6) [DOI] 10.32473/edis-an370-2021.
2020
Immune response and onset of protection from Bovine viral diarrhea virus 2 infection induced by modified-live virus vaccination concurrent with injectable trace minerals administration in newly received beef calves
Veterinary Immunology and Immunopathology.
2020
Utilization of exogenous enzymes in beef cattle creep feeds
Journal of Applied Animal Research. 48(1):70-77 [DOI] 10.1080/09712119.2020.1732985.
2019
Comparison of follicular development, timing of ovulation and serum progesterone, estradiol and luteinizing hormone concentrations in dairy heifers treated with 4- or 5-day CoSynch + CIDR protocols
Veterinary medicine and science.. 5(3):379-389 [DOI] 10.1002/vms3.171. [PMID] 31006992.
2018
Effect of injectable trace minerals administered concurrently with a modified live virus vaccine on long-term protection against bovine viral diarrhea virus acute infection in dairy calves
Research in veterinary science (Online). 119:250-258 [DOI] 10.1016/j.rvsc.2018.07.003. [PMID] 30036856.
2018
Effect of liposome-containing diluent and centrifugation on motion parameters and membrane integrity of electroejaculated cooled bovine spermatozoa
Clinical Theriogenology. 10(1):25-31
2018
Effects of injectable trace minerals on the immune response to Mannheimia haemolytica and Pasteurella multocida following vaccination of dairy calves with a commercial attenuated-live bacterin vaccine
The Professional Animal Scientist. 34(1):59-66 [DOI] 10.15232/pas.2017-01695.
2017
Optimization of a protocol for cryopreservation of electroejaculated beef bull semen under ambulatory conditions
Clinical Theriogenology. 9(4):563-572
2016
Clinical response after chitosan microparticle administration and preliminary assessment of efficacy in preventing metritis in lactating dairy cows.
Journal of dairy science. 99(11):8946-8955 [DOI] 10.3168/jds.2016-11400. [PMID] 27592442.
2016
Combined use of progesterone inserts, ultrasongraphy, and GnRH to identify and resynchronize nonpregnant cows and heifers 21 days after timed artificial insemination.
Theriogenology. 85(2):230-7 [DOI] 10.1016/j.theriogenology.2015.09.052. [PMID] 26522703.
2016
Effects of injectable trace minerals on humoral and cell-mediated immune responses to Bovine viral diarrhea virus, Bovine herpesvirus 1 and Bovine respiratory syncytial virus following administration of a modified-live virus vaccine in dairy calves
Veterinary Immunology and Immunopathology. 178:88-98 [DOI] 10.1016/j.vetimm.2016.07.003. [PMID] 27496747.
2015
Factors associated with early cyclicity in postpartum dairy cows.
Journal of dairy science. 98(1):229-39 [DOI] 10.3168/jds.2014-8460. [PMID] 25465552.
2014
Individual and combined effects of anovulation and cytological endometritis on the reproductive performance of dairy cows.
Journal of dairy science. 97(9):5415-25 [DOI] 10.3168/jds.2013-7725. [PMID] 24996269.
2014
Inducing ovulation early postpartum influences uterine health and fertility in dairy cows.
Journal of dairy science. 97(6):3558-69 [DOI] 10.3168/jds.2013-7533. [PMID] 24704233.
2013
Effect of feeding maternal colostrum or plasma-derived or colostrum-derived colostrum replacer on passive transfer of immunity, health, and performance of preweaning heifer calves.
Journal of dairy science. 96(5):3247-56 [DOI] 10.3168/jds.2012-6339. [PMID] 23497992.
2012
The effect of intrauterine administration of mannose or bacteriophage on uterine health and fertility of dairy cows with special focus on Escherichia coli and Arcanobacterium pyogenes.
Journal of dairy science. 95(6):3100-9 [DOI] 10.3168/jds.2011-5063. [PMID] 22612946.

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
Jun 2022 ACTIVE
NIFA AG2PI Collaborative: Seeding the Future of Agricultural Genome to Phenome Research for Crops and Livestock
Role: Co-Project Director/Principal Investigator
Funding: IOWA STATE UNIV via US DEPT OF AG NATL INST OF FOOD AND AG

Education

Doctor of Philosophy (PhD) in Comparative Biomedical Science
2019 · College of Veterinary Medicine, University of Georgia (UGA)
Residency in Food Animal Reproduction and Medicine
2014 · College of Veterinary Medicine, University of Florida
Master of Science (MSc.) in Veterinary Medical Sciences
2013 · College of Veterinary Medicine, University of Florida
Specialization training in Beef Cattle Farm Management
2005 · REHAGRO (Brazil)
Doctor of Veterinary Medicine (DVM equivalent)
2003 · School of Veterinary Medicine, Federal University of Goiás (UFG-Brazil)

Contact Details

Phones:
Business:
(352) 294-4349
Emails:
Business:
jbittar@ufl.edu
Addresses:
Business Mailing:
PO Box 100136
GAINESVILLE FL 32610
Business Street:
2015 SW 16TH AVE OFC 114
PO Box 100136
DERISO HALL BLDG
GAINESVILLE FL 32610