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Northern Valley Dairy Production Medicine Center
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900 N. Wabasha, Plainview, Minnesota 55964 (507) 534-4356
Office Hours:
Monday-Friday
7:30 AM-5:00 PM
Saturday
8:00 AM-12:00 PM
Sunday-Closed
24-hour Emergency Service
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Laboratory
Dr. Joanna Gardner is in charge of our laboratory. We utilize procedures standardized by the University of Minnesota and the National Mastitis Council. Quarterly, we participate in Cornell University’s laboratory proficiency test to ensure that we are up-to-date and accurate. The charts below contain more information on the in-house services that we provide.
Before submitting samples for the first time, please call our office and ask to speak to Dr. Gardner for detailed instructions on sample collection, labeling, and handling. Results can be reported to you by your preference of a variety of options: phone, email, fax, or Google Drive (formerly Google Docs). At this time we do not culture for Mycoplasma in our laboratory; if requested we forward samples to the University of Minnesota Udder Health Laboratory for mycoplasma culturing.
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Clinical mastitis:
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Our goal for individual cultures of quarters with grade I and II clinical mastitis (the cow is not systemically ill) is to provide rapid results for use in culture-based treatment. That means waiting to treat the cow until we report to you which organism is causing the infection. This allows for selection of an appropriate intramammary antibiotic, frequency of administration, and duration of therapy aimed to cure an infection with that particular organism. For more information on culture-based treatment, please see our Milk Quality page and our Archive of Milk Quality Columns.
Preliminary results can be reported to you at approximately 24 hours after samples are plated, if desired. Final results will be reported at approximately 48 hours after plating.
Individual cow milk samples that cannot be delivered to our office within 12 hours of collection should be frozen. For samples arriving within 12 hours, only refrigeration is necessary.
In order for samples to be plated on the same day they are submitted to our office, frozen samples should arrive by 2:00pm and refrigerated samples by 3:00pm. Samples received later are usually not plated until the following morning.
Milk Cultures:
Miscellaneous Other Tests:
Other Cultures:
Sample
Results
Test
Approximate Timeframe
Fee*
Individual Cow,
Full Culture
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(single quarter or composite sample)
5cc of milk, collected aseptically into a sterile, flip-top, plastic tube
(frozen or refrigerated)
Preliminary results
in 24 hours, final results in 48 hours
$16.00 for one sample; $8.00 for each additional sample submitted at
the same time
Staph aureus
Culture Only
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(single quarter or composite sample)
5cc of milk, collected aseptically into a sterile, flip-top, plastic tube (frozen or refrigerated)
48-72 hours
$12.00 for one sample; $4.00 for each additional sample submitted at
the same time
Positive or negative for Staph aureus
Bulk Tank Culture
Bulk tank milk samples from 3 consecutive pick-ups of milk (frozen immediately)
Counts of each organism present
48-72 hours
$24.00
Bulk Tank Culture with Prototheca Isolation Medium**
Bulk tank milk samples from 3 consecutive pick-ups of milk (frozen immediately)
Counts of each organism present
48-72 hours
$31.50
Colostrum Culture
See our Youngstock page;
call for full details
Counts of each organism present and total bacteria count
48 hours
$24.00
$24.00
48 hours
Counts of each organism present and total bacteria count
See our Youngstock page;
call for full details
Calf Milk
Culture
Bedding Culture
* additional charges may apply if further tests are required for organism identification
** special medium which allows for accurate identification/quantification of Prototheca
Test
Sample
Results
Approximate Timeframe
Fee*
2 cups of bedding (sand, sawdust, etc.) in a clean, sealed bag (refrigerated)
24 hours
Counts of each organism present
$29.50
Towel Culture
Clean towel in a clean, sealed bag (refrigerated)
Counts of each organism present
24 hours
$19.50
Water Culture
At least 100cc of water, collected aseptically into a sterile container (refrigerated)
Counts of each organism present
24 hours
$35.00
* additional charges may apply if further tests are required for organism identification
Test
Sample
Results
Approximate Timeframe
Fee
Fecal Parasite Exam
20cc of fresh manure (refrigerated)
Positive or negative for
worm eggs or coccidia
A few hours
$19.50
IDEXX SNAP BVD test
1cm ear notch (refrigerated)
Positive or negative for
BVD persistent infection
A few hours
$10.00
Meatsafe β-Lactam Drug Residue Test
20cc of urine (refrigerated)
Positive or negative for
the presence of β-Lactams
(penicillin G, ampicillin, amoxicillin, cloxacillin, hetacillin)
A few hours
$10.00
Serum Total Protein Analysis
Blood in a red-top or tiger-top (serum separator) tube (refrigerated)
Serum total protein
(see our Youngstock page for more information)
A few hours
$4.00
Large Animal Profile*
Blood in a red-top or tiger-top (serum separator) tube (refrigerated)
Calcium, Phosphorus, Magnesium, Albumin, Globulin, TP,
ALP, GGT, AST,
Creatine Kinase, BUN
Several hours
$47.85
Complete
Blood Count
Blood in a purple-top
tube (refrigerated)
Counts of White Blood Cells,
Red Blood Cells, and Platelets
Several hours
$27.60
PREMI Test
20cc of urine (refrigerated)
Positive or negative for
the presence of certain drugs (amoxicillin, ampicillin, ceftiofur, cephapirin, chlortetracycline, erythromycin, florfenicol, oxytetracycline, penicillin G, sulfachloropyridazine, sulfadimethoxine, sulfamethazine, tilmicosin, tylosin)
Several hours
$10.00
Kidney Profile*
Blood in a red-top or tiger-top (serum separator) tube (refrigerated)
Potassium, Chloride, Sodium, TCO2, Creatinine, Glucose, Calcium, Phosphorous, BUN,
Albumin
Several hours
$37.50
* the total charge for a Large Animal Profile & Kidney Profile ran on the same sample is $72.00