simple, fast and complete solutions for mastitis
TRANSCRIPT
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The world leader in serving science
October 20, 2018
Simple, fast and complete solutions for mastitis identificationTo participate in our interactive workshop:• Open a browser on any laptop, tablet or smartphone• Go to www.slido.com• Enter event code: #AAVLD
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To participate in our interactive workshop:• Open a browser on any laptop, tablet or smartphone• Go to www.slido.com• Enter event code: #AAVLD
Simple, fast and complete solutions for mastitis identification
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Introduction panel
• Dr. Christina Boss, Product Manager bovine diagnostics:Challenges of mycoplasma mastitis
• Quoc Hoang - R&D scientist:Fast and convenient nucleic acid extraction from milk samples
• Rohan A. Shah - R&D Field Support Lead:Standardize data analysis with cloud-based VeriVet software
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Does your group / lab test for mastitis?
• Yes• No
Polling question
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Mastitis facts - What do you think this number is?
a) Mastitis is the number one costly disease in cattle
b) Mastitis was the first disease to be discovered in cattle
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Mastitis facts
US$19.7-32 billion
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Mastitis facts - What do you think this number is?
a) Total M. bovis estimated disease cost annually in the U.S.
b) The total annual cost for mastitis in the U.S.
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Mastitis facts – The numbers
US$ 385-770
US$19.7-32 billion
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Bacterial culture
Long time to result –Up to 10 days
No-growth samples –Up to 40 %
No mastitis pathogen identified
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PCR
Results obtained within a day, much shorter than with culture
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Bovine Mastitis – Pathogen identification
• MagMAX CORE Nucleic Acid Purification Kit and Mastitis & Panbacteria Modulefor fast and convenient nucleic acid extraction from milk samples, yielding high-quality nucleic acids
Major Mycoplasma species infecting cattle
Major contagious mastitis-causing pathogens
• Major mastitis-causing pathogens
Mycoplasma spp.Mycoplasma alkalescensMycoplasma bovisMycoplasma bovigenitaliumMycoplasma canadenseMycoplasma californicumStaphylococcus aureusStreptococcus agalactiae
Mycoplasma bovisStaphylococcus aureusStreptococcus agalactiaeStreptococcus uberis
• Staphylococcus aureus• Staphylococcus spp. (including all
major coagulase-negative staphylococci)
• Streptococcus agalactiae• Streptococcus dysgalactiae• Streptococcus uberis• Escherichia coli• Enterococcus spp. (including E.
faecalis and E. faecium)
• Klebsiella oxytoca (and/or K. pneumoniae)
• Serratia marcescens• Corynebacterium bovis• Trueperella pyogenes and/or
Peptoniphilus indolicus• Staphylococcal β-lactamase gene• Mycoplasma bovis• Mycoplasma spp.• Yeast• Prototheca spp.
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Which test do you use to test for mastitis?
a)Bacterial cultureb)PCRc)Both PCR and bacterial cultured)None of these
Polling question
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The last sample extraction method you may ever need
• Flexible solution designed to meet lab’s current and future testing needs
• For widest range of animal health sample matrices
• Helps make labs more efficient
• Magnetic bead-based sample extraction
• Automatable on KingFisher magnetic particle processors
• CORE chemistry + Modules
Sample Extraction pitch - MagMAX CORE sample extraction
For Laboratory use including veterinary and environmental uses.
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Together with the Mastitis & Panbacteria Modulefor milk samples the MagMAX CORE workflow works with: Bulk milk
Preserved milk* (e.g., with bronopol)
Frozen milk
Mastitic milk
Milk with high SCC
*Use of preserved milk samples eliminates the need for cooled transport of samples
See Poster # 36 for detailed data (copies of the poster are available)
Milk samples
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Fast and convenient nucleic extraction
• Fast: 96 samples in 1 hr
• Minimal hands-on time
• No aspiration
• No centrifugation
• 96 samples in >2 hrs
• Many hands-on steps
• 2x supernatant
aspiration steps
• 3x centrifugation steps
MagMAX CORE Mastitis & Panbacteria Module
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Polling question
What is the benefit of a specialized nucleic acid extraction for mastitis samples?
a) No benefit
b) It works with thick/cluttered milk
c) Multiplexing PCR reactions require high quality nucleic acid
d) I don’t knowwww.slido.com
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Convenient VeriVet result interpretation software
Applied Biosystems VeriVet SoftwareSimplify, accelerate, and standardize data analysis.
• Ease of use Innovative cloud-based data analysis and storage
• Easy read-out of positive and negative results
• Quality control: Inhibited samples identified
For research use only. Not for use in diagnostic procedures.
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VeriVet result interpretation software
Color results depending on call status
At least 1 target gives a positive result (below cut off)
Target for pathogens tested are negative
At least 1 target give a negative call but there is a Ct above cut off
Result not valid, needs retesting
Each dot corresponds to one well
See Poster # 31 for detailed data (copies of the poster are available)
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VeriVet result table
PCR
PCR
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Can the interpretation software give multiple positive calls in one sample?
a) Yes
b) No
Polling question
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Which of the following answers apply to mastitis?
a)All types of mastitis are the same
b)Some mastitis pathogens are more difficult to identify than others
c)All pathogens require the same action from the veterinarian
d)Mycoplasma does not require specific culture media
Polling question
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Which parts of the workflow are needed for identification of mastitis pathogens?
a)Sample extraction
b)DNA amplification
c)Result interpretation
d)All of the above
Polling question
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What type of samples can be tested with PCR to identify mastitis pathogens?
a)Only fresh milk samples
b)Frozen, preserved and fresh milk samples
c)Preserved milk samples
d)Preserved and fresh milk samples
Polling question
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Mastitis PCR
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Q&A© 2018 For Veterinary Use Only. Thermo Fisher Scientific Inc. All rights reserved.
All trademarks are the property of Thermo Fisher Scientific and its subsidiaries unless otherwise specified.