2022-2023 Projects

Biosecurity practices in small-scale and backyard farms in developed countries: A scoping review
Alda Pires

Characterizing the effects of GnRH dose and genomic prediction of daughter rate on ovulatory response and pregnancy per AI in dairy heifers
Fabio Lima

Escuela Lechera (Dairy School) - Multi-State Outreach Center for Dairy Workers Training
Noelia Silva Del Rio

Maternal antibody use for early protection against infectious bronchitis virus in chickens
Rodrigo Gallardo

Survey research for factors affecting recruitment and retention of food animal veterinarians in California
Richard Pereira

Biosecurity practices in small-scale and backyard farms in developed countries: A scoping review
Alda Pires

Characterizing the effects of GnRH dose and genomic prediction of daughter rate on ovulatory response and pregnancy per AI in dairy heifers 
Fabio Lima

Antimicrobial Stewardship: Clinical signs and blood health biomarkers as predictors of bacteremia in diarrheic calves
Noelia Silva Del Rio

Assessment of Acipenserid herpesvirus 2 Latency Capability in White Sturgeon (Acipenser transmontanus)
Esteban Soto Martinez

Association of Tachykinin 1 expression and Substance P with the clinical signs, calf behavior and hematological parameters of naturally occurring BRD 
Sharif Aly

Characterizing antimicrobial resistance genes in commensal enteric bacteria in cull dairy cattle 
Xunde Li

Development of novel bacteriocin-based therapy against Pasteurella multocida associated with bovine respiratory disease
Emmanuel Okello

Effect of feeding probiotics in preweaned dairy calves on preventing neonatal diarrhea and the development of intestinal microbiome
Emmanuel Okello

Effects of antimicrobial administration on the efficacy of Epizootic Bovine Abortion (EBA, Foothill Abortion) vaccination
Bret McNabb

Evaluating factors affecting the perception and interest of California veterinary students in a future career in food animal practice
Gabriele Maier

Ewe Mastitis and Lamb Survivability in California Sheep Production Systems - NC214
Roselle Busch

Field trial to evaluate the effect of a Mannheimia hemolytica/Pasteurella multocida vaccine on respiratory disease incidence and growth in lambs
Fauna Smith

Genomic characterization and temporal evaluation of antimicrobial resistance in Enterococcus from retail chicken in California
Xunde Li

Improving feed efficiency predictability in dairy cows through biomarkers derived from ruminal fermentation 
Fabio Lima

Iodine supplementation to prevent infectious bovine keratoconjunctivitis (pinkeye) in beef cattle
Meera Heller

NC2040: Precision feeding of dairy pens by estimating dry matter intake distributions by pen
Heidi Rossow

Prevalence, etiology, and production impacts of clinical and subclinical bacterial and retroviral mastitis in commercial range ewes
Roselle Busch

Randomized controlled field trial to evaluate an experimental intranasal vaccine against bovine pinkeye
John Angelos

Short and long-term effects of early calfhood social grouping experiences on the behavior, health, and production of first-lactation dairy cows
Sharif Aly

The effects of plant-based essential oils on reducing stable fly attack intensity and associated fly avoidance behaviors of dairy cows
Terry Lehenbauer

Tracking transmission of Antimicrobial-Resistant STEC from sheep to soil on  integrated crop-livestock systems using Whole genome sequencing
Alda Pires

Use of bacteriophage to control mastitis linked to Staphylococcus aureus 
Bart Weimer

2021 -2022 Projects

Accurate DNA-based diagnostic tests for ruminant retroviral disease
Brian Murphy

Advancing molecular technology for detection of foodborne pathogens in California aquaculture
Karen Shapiro

Antimicrobial resistance dynamics in preweaned dairy calves under prolonged exposure to neomycin medicated milk replacer
Sharif Aly

Antimicrobial resistance of bacteria isolated from commercial probiotics used in dairy calves
Noelia Silva Del Rio

Assembly-free metagenomic analysis into progressive dampening waves of antimicrobial resistance post antimicrobial drug treatments
Sharif Aly

Caprine Uterine Amyloid Syndrome: Characterization of an emerging cause of abortion in goats
Meera Heller

Cartography as a tool to correlate avian reovirus antigenicity and genomic composition
Rodrigo Gallardo

Characterizing plasma and uterine-vaginal discharge metabolome associated with metritis cure in dairy cows
Fabio Lima

Characterizing the nasopharyngeal microbiome, resistome, and virulome of prewenaed dairy calves for the identification of BRD biomarkers
Richard Van Vleck Pereira

Climatic conditions as a predictor for BRD in pre-weaned dairy calves: a machine learning approach
Sharif Aly

Decision Sciences & Web-Crawling to Understand Backyard Poultry & Gamefowl Owners’ Motivations & Modeling the Resulting Economic & Disease Effects During a vND Outbreak
Maurice Pitesky

Development of a cross-protective live-attenuated vaccine for piscine streptococcosis
Esteban Soto Martinez

Development of the California Livestock Evacuation (CALE) Mobile App for Delivery of Emergency Response Resources for Backyard Livestock and Poultry 
Maurice Pitesky

Diagnostic value of fecal traits to identify diarrheic calves at risk of bacteremia and dehydration
Noelia Silva Del Rio

Disbudding and dehorning practices and pain control in California dairy calves: a survey of dairy producers
Terry Lehenbauer

Economic impact of extreme weather events and natural disasters in the livestock production in California
Beatriz Martinez Lopez

Educational and extension outreach for implementation of antimicrobial stewardship practices in California dairies
Emmanuel Okello

Effects of antimicrobial administration on the efficacy of Epizootic Bovine Abortion (EBA, Foothill Abortion) vaccination
Bret McNabb

Effects of simplified group housing on behavior, performance, and health of organic-raised preweaned dairy calves
Sharif Aly

Efficacy of combination treatment with anthelmintics in California calves
Gabriele Maier

Genomic characterization and temporal evaluation of AMR genes in E. coli and Enterococcus from fecal samples of cull dairy cattle in California
Richard Pereira

Improving colostrum feeding management practices on organic dairies
Munashe Chigerwe

Methods for the genotypic classification of Avibacterium paragallinarum, the causative agent of infectious coryza
Rodrigo Gallardo

NC2040: Monitoring the addition of DCAD mineral to the TMR to prevent milk fever
Heidi Rossow

NC2040: Using mitochondria function to identify calves that will thrive in the dairy herd
Heidi Rossow

Potential of Florfenicol and Erythromycin as Therapeutant for lactococcosis in rainbow trout, Oncorhynchus mykiss<
Esteban Soto Martinez

Recombinant protein-based ELISA for serodiagnosis and surveillance of Epizootic Bovine Abortion (EBA)
Jeffrey Stott

Unifying captive bolt placement in young and adult dairy cattle across devices and based on live animal post-application response at field euthanasia
Sharif Aly

2020 -2021 Projects

Climatic conditions as a predictor for BRD in Pre-weaned dairy calves
Sharif Aly

Comparison of accuracy, feasibility, and cost-effectiveness of color Doppler ultrasonography for early nonpregnancy diagnosis and resynchronization in dairy cows
Fabio Lima

Comprehensive virulence and antimicrobial resistance gene profiling of intrauterine E. coli associated with metritis in dairy cows in California
Richard Pereira

Cryptosporidiosis in adult cattle on California dairies, a farm worker zoonosis
Sharif Aly

Effects of group housing on the phenotype and dynamics of antimicrobial resistance in commensal fecal (Escherichia coli and Enterococcus spp.) populations isolated from California pre-weaned dairy calves
Terry Lehenbauer

Elucidating innate immunity bovine host response during C. parvum infection in intestinal organoid model
Amir Kol

Evaluation of inactive vaccines against Lactococcus garviae infection in rainbow trout Oncorhynchus mykiss
Esteban Soto Martinez

Evaluation of three inactive vaccines against Veronaea botryosa infection in white sturgeon
Esteban Soto Martinez

Feeding Smectite to Preweaned Dairy Calves: Antibiotic Treatments, Morbidity, Mortality, and Growth Performance
Noelia Silva del Rio

IBV vaccine development platform using machine learning and population genomics
Rodrigo Gallardo

Impact of coccidia species and burden on severity of disease in small ruminants
Rosie Busch

In vitro cultivation of Pajaroellobacter abortibovis, the etiologic agent of epizootic bovine abortion
Jeffrey Stott

Infectious bronchitis virus prevalence, characterization and strain identification in California backyard chickens
Asli Mete

Infectious Coryza: bacterial persistence in poultry manure, bedding and water
Rodrigo Gallardo

Investigating the minimum individual cow colostral immunoglobulin G concentration required for pooling to achieve adequate passive immunity in dairy calves
Munashe Chigerwe

Monensin supplementation for increased productivity in stocker cattle on California grazeland - year 2
Gabrielle Maier

NC1027: An lntegrated Approach to Control Bovine Respirotory Diseases
Laurel Gershwin

NC 2040:Comparing cowside tests of SCC to identify cows for selective dry cow treatment
Heidi Rossow

New Approaches to the Holy Grail of Poultry Food Safety: Strain Level Identification and Quantification of Salmonella and Campylobacter in Retail Poultry
Maurice Pitesky

Pain Management for Calf Disbudding: Educational Outreach of a Validated Cornual Nerve Block Technique in Young Dairy Calves
Terry Lehenbauer

Recycled flush and lagoon water as a reservoir for antibiotic residues and resistant bacteria on dairies
Emmanuel Okello

Reducing fecal shedding of E. coli O157:H7 through vaccination in a cow-calf operation
Gabrielle Maier

Role of Acipenserid Herpesvirus 2 during co-infections with Veronaea botryosa and Streptococcus iniae in White sturgeon (Acipenser transmontanum)
Esteban Soto Martinez

Safety and Immunogenicity of Bovine Coronavirus Vaccines in Goats
Meera Heller

Seroprevalence and farm-related risk factors of Toxoplasma gondii infection in California goat herds
Meera Heller

Supplementation of Unrefined NaCl Salts to Preweaned Dairy Calves: Effects on Performance, Health, and serum IgGs and Trace elements
Noelia Silva Del Rio

Training Innate Immunity to Decrease Bovine Respiratory Disease
Laurel Gershwin

Vaccination of cattle in late-term pregnancy for Epizootic Bovine Abortion: Is it safe and will it confer long-term immunity to the resulting offspring?
Jeffrey Stott

Web-scraping of Selected Backyard Poultry Infectious Diseases: A Retrospective Analysis to Understand the Relationship between Social Media and Disease Outbreaks
Maurice Pitesky

Whole genome sequencing of STEC isolates from sheep fecal samples and 16S rRNA amplicon sequencing of sheep fecal samples to identify microbiome changes and potential food safety risks in grazing sheep
Alda Pires

2019 – 2020 Projects

Advancing Animal Health, Husbandry, and Antimicrobial Use and Stewardship among Youth Livestock and Poultry Owners through e-Learning Opportunities (AHH/AUS)
Martin H. Smith

Big data management for dairy production decision making
Heidi Rossow

Caprine Uterine Amyloid Syndrome: Caruncular amyloid in parturient goats, case follow-up and presence of syndrome in previously-undescribed breeds/production settings
Joan Rowe

Cattle Uterine Microbiota Sequencing: Identifying Biomarkers to Improve Metritis Diagnosis and Prevention
Richard Pereira

Designing an Antimicrobial Stewardship Program for Preweaned Calves. Phase I. Needs Assessment on Diarrheic Calves
Noelia Silva del Rio

Determining Table Egg Withdrawal Periods from Hens Reared in Close Proximity to California Wildfires
Maurice Pitesky

Economic impact of bunching, the aggregating behavior of cattle against Stomoxys calcitrans, on milk production on California dairies
Sharif Aly

Effect of Rangeland Fire on Heavy Metal Concentrations in Edible Tissue of Grazing Lambs
Sarah Depenbrock

Effects of simplified group housing of preweaned dairy calves on behavior, performance and health
Terry Lehenbauer

Evaluation of cow hygiene and cow activity at dry-off as a tool to improve the selection of low SCC cows eligible for Selective Dry Cow Therapy
Fernanda C. Ferreira

Evaluating the food safety impacts and soil health benefits of integrated crop-livestock farms in California
Alda Pires

False layer syndrome (FLS) infectious bronchitis virus (IBV) in hens, pathobiology and long-term effects of control interventions
Rodrigo Gallardo

Feeding Smectite to Preweaned Dairy Calves: Passive Transfer Immunity and Incidence and Severity of Diarrhea
Noelia Silva del Rio

In vitro cultivation of Pajaroellobacter abortibovis, the etiologic agent of epizootic bovine abortion
Jeffrey Stott

Infectious Coryza: Typing and vaccine protection studies
Rodrigo Gallardo

Intranasal Moraxella spp vaccination to prevent naturally-occurring infectious bovine keratoconjunctivitis
John Angelos

Monensin supplementation for increased productivity in stocker cattle on California grazeland
Gabriele Maier

Mucosal and system immunostimulation of B-Glucans against columnaris and streptococcosis in a sturgeon model
Esteban Soto Martinez

NC2040: Effect of antibiotic use at dry off on mitochondrial function
Heidi Rossow

Pathobiology and immunosuppression caused by avian reovirus variants
Rodrigo Gallardo

Prevalence of Antimicrobial Resistance in cow-calf operations on California pasture
Emmanuel Okello

Training Innate Immunity to Decrease Bovine Respiratory Disease
Laurel Gershwin

Understanding the role of declining immunoglobulin G status and vitamin D deficiency on the development of respiratory disease in calves
Munashe Chigerwe

Usage patterns and effectiveness of dewormers in cow-calf operations in California
Gabrielle Maier

Using Social Network Analysis (SNA) to Mitigate the Spread of vND in Southern California  Maurice Pitesky

Vaccination of cattle in late-term pregnancy for Epizootic Bovine Abortion: Is it safe and will it confer long-term immunity to the resulting offspring?
Jeffrey Stott

2018 – 2019 Projects

A survey of claw dimensions of Jersey cows, with recommendations of claw length for optimum sole thickness
Noelia Silva del Rio

Antibiotic resistance: from farm to clinic
Bart Weimer

Antimicrobial resistance in different origins, types, and forms of seafood
Xunde Li

Assessment of probiotics as alternatives to in-feed antibiotics on growth performance and disease resistance
Xunde Li

Backyard egg - Specimen Assessment of Fire Effects (BE-SAFE) Study
Birgit Puschner and Maurice Pitesky

Discovering innate responses to infectious bronchitis virus in tracheal organ cultures of resistant and susceptible chickens
Rodrigo Gallardo

Efficacy of Glucans as immunostimulants to white sturgeon, Acipenser transmontanus
Esteban Soto

Evaluation of the association between milk, meat and feed market prices and the trends, reasons and economic impact of carcass condemnation cases in the California dairy industry
Beatriz Martinez Lopez

Generation of a live-attenuated vaccine to piscine streptococcosis
Esteban Soto

Genetic elements causing antimicrobial resistance in Salmonella isolated from cattle at a veterinary microbiology laboratory in Northern California, 2002-2017: focus on drugs of critical importance to human and veterinary medicine
Richard Pereira

Genomic sequencing of STEC isolates from fecal samples as a biological indicator of contact between feral pigs and outdoor-raised pigs in California
Alda Pires

In vitro cultivation of Pajaroellobacter abortibovis, the etiologic agent of epizootic bovine abortion
Jeffrey L Stott

Integrating the effect of pH and Temperature for eliminating ceftiofur residues in whole milk
Richard V Pereira

Iodine as a preventative strategy for infectious bovine keratoconjunctivitis (pinkeye) in beef cattle
Meera Heller

Mapping the nasopharyngeal microbiome in normal and bovine respiratory disease (BRD) infected calves
Terry Lehenbauer

Modeling the Risk of Disease Transmission Between Commercial Pen-reared Pheasants and Commercial Poultry
Maurice Pitesky

Ozoning poultry litter: ozone dose and time, and desication effects on poultry litter Salmonella
Pramod Pandey

Postpartum calcium dynamics after incomplete milking, once-a-day milking, and no milking vs. twice-a-day milking
Noelia Silva del Rio

Promoting Health and Welfare of Backyard Poultry Flocks through E-Learning
Martin Smith

Vaccination of cattle in late-term pregnancy for Epizootic Bovine Abortion: Is it safe and will it confer long-term immunity to the resulting offspring?
Jeffrey L Stott