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Updated: Jan 28, 2026

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Milk Collection in the Rat Using Capillary Tubes and Estimation of Milk Fat Content by Creamatocrit
Published on: December 16, 2015
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A Multitest System for Detection of Antibiotics in Milk
1Research and Development, Gist-Brocades N.V., P.O.B. 1, 2600 MA Delft, The Netherlands.
Journal of Food Protection
|March 3, 2019
Summary
The Delvotest® P multi system efficiently detects antibiotics in milk, processing 400 samples hourly. Its sensitivity is comparable to the ampoule test, with adjustable detection limits.
Area of Science:
- Veterinary diagnostics
- Food safety testing
- Microbiology
Background:
- Antibiotic residues in milk pose a significant food safety concern.
- Accurate and efficient detection methods are crucial for milk quality control.
- The Delvotest® P multi is designed for high-throughput antibiotic screening.
Purpose of the Study:
- To describe the Delvotest® P multi, a new test system for antibiotic detection in milk.
- To evaluate its efficiency and sensitivity for large-scale sample analysis.
Main Methods:
- Utilized a specialized delivery pipet for rapid sample handling.
- Compared the performance of Delvotest® P multi with the established Delvotest® ampoule test.
- Investigated the effect of sample volume on test sensitivity.
Main Results:
- The Delvotest® P multi allows for high-throughput analysis, with one person handling 400 samples per hour.
- Test sensitivity and duration are comparable to the Delvotest® ampoule test.
- Sensitivity can be adjusted by altering sample volume, e.g., reducing sample size decreases penicillin detection sensitivity.
Conclusions:
- Delvotest® P multi offers an efficient solution for detecting antibiotics in large volumes of milk samples.
- The system maintains high sensitivity while enabling rapid analysis.
- Adjustable sensitivity provides flexibility for different screening requirements.
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