Marcos Veiga dos Santos is a veterinarian graduated at FMVZ-USP, and completed his Ph.D. in Food Science at the University of São Paulo in 2001. In 2006, he was awarded the title of Associated Professor of FMVZ-USP. He is currently Full Professor of the Department of Animal Nutrition and Production (VNP) of FMVZ-USP. He has published 140 papers in scientific periodicals and 3 books. He supervised 31 master's dissertations, 7 doctoral orientations, and supervised 4 postdoctoral projects in the area of Dairy Production. He coordinated 22 research projects, and he was awarded a Research Productivity Fellowship CNPq Modality 1-D. He coordinates QUALILEITE-FMVZ-USP, Laboratory of Research on Milk Quality and is a member of the Editorial Committee of the Brazilian Journal of Veterinary Research and Animal Science, as Editor of the Area of Nutrition and Animal Production. He is a contributor of Milkpoint (www.milkpoint.com.br). (Source: Lattes Curriculum)
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Mastitis control presents significant challenges, but the nature of the disease also offers opportunities for intervention. The challenges associated with antimicrobial resistance, biofilm formation and invasive strains inspired us to test the potential use of an organic polymer to kill antimicrobial resistant and intracellular pathogens. PHMB offers a compelling opportunity in the Mastit…
The general objectives of this proposal are to evaluate: a) etiologic profile and antimicrobial susceptibility of pathogens causing clinical mastitis and to describe the qualitative and quantitative aspects relating to the use of antimicrobials; b) efficiency of on farm culture program, specially on the use of antimicrobials and economic aspects related to expenses incurred for clinical m…
The aim of this study was to evaluate the effect of subclinical intramammary infection (IMI) caused by coagulase-negative staphylococci (CNS) as a group and by specific CNS species on milk yield and composition and somatic cell count (SCC) of dairy cows. Selection of cows with IMI caused by CNS was performed by microbiological cultures of composite samples collected from 1,242 dairy cows …
(Only some records are available in English at this moment)
Mastitis is an inflammation of the mammary gland, mostly caused by bacteria, and it has two major forms: clinical and subclinical. The monitoring of the severity of clinical cases, which are classified as mild, moderate, or severe, is essential for the control of the disease. S. aureus remains one of the main pathogens causing mastitis and its numerous virulence factors are critical facto…
Bovine mastitis is an inflammation of the mammary glands, which could be caused by multiple etiologies and has difficult control. Mastitis causing pathogens may be of contagious or environmental origin, and the inflammation may manifestates with different degrees of severity, according to the type of the causing pathogen. It's a disease that causes great economic losses in the dairy indu…
The increase in antimicrobial resistance (AR) is a worldwide concern, which has been partially associated with the overuse of antimicrobials in animal production. In dairy cattle, clinical mastitis (CM) treatment and dry-cow-therapy (DCT) are the main causes of antimicrobial use and, for this reason, the responsible antimicrobial use for these purposes can impact public health. In this se…
Post-milking teat disinfection is a common practice to prevent contagious Mastitis pathogens as Staphylococcus aureus in dairy herds. Previous studies reported the in vitro antimicrobial activity of the polyhexamethylene biguanide (PHMB) polymer against Staphylococcus aureus isolated from Bovine Mastitis cases. The hypothesis of the present study is that Mastitis-causing Staph. aureus pro…
The aim of this study will be to evaluate the association between antimicrobial use (UAM) and resistance of Streptococcus uberis causing clinical mastitis (CM) in Brazilian herds. The specific objectives will be: (a) determine the distribution of the bacterial species previously identified as Strep. uberis by conventional phenotypic identification and Matrix Associated Laser Desorption-Io…
Bovine mastitis is one of diseases that most affects dairy herds and has a great impact on the economy of the activity, as it affects the milk production and quality of dairy products. The majority of mastitis cases has bacterial origin and its resolution depends on some factors, such as a bacterial strain involved in the infection, the period of infection, and the susceptibility of the h…
(Only some records are available in English at this moment)
The increase in antimicrobial resistance (AMR) is a concern worldwide, and has been associated with the overuse of antimicrobials in animal production. In dairy cattle, clinical mastitis (CM) is the main reason for antimicrobial use. Thus, antimicrobial stewardship practices in dairy cattle production will necessarily consider therapy of CM. The ability to predict the risk of clinical and…
The goal of present study is to establish histidine (His) requirements for lactating Holstein dairy cows. To fulfill the objectives of this proposal we shall conduct experiments in order to establish His requirements in lactating dairy cows fed metabolizable protein (MP)-deficient diets or diets supplying MP at or above NRC (2001). These experiments will be Latin square design with 28-d p…
The epidemiology and etiology of mastitis-causing environmental streptococci, especially "other streptococci" and streptococci-like bacteria is not well known. The objectives of this research project will be: (a) to determine at species level the frequency of mastitis-causing pathogens identified phenotypically as "other Streptococcal species" using the technique of matrix-assisted laser …
The hypothesis of this study is that the methodology of complete and individual milking per mammary quarter allows estimating production losses caused by intramammary infections caused by primary pathogens. The project will be developed by conduction of three experiments, which general objectives will be: 1) to evaluate the effects of subclinical intramammary infections caused by primary …
| 32 / 16 | Completed research grants |
| 3 / 3 | Ongoing scholarships in Brazil |
| 33 / 24 | Completed scholarships in Brazil |
| 1 / 1 | Ongoing scholarships abroad |
| 3 / 3 | Completed scholarships abroad |
| 72 / 47 | All research grants and scholarships |
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