NAST Aerobic AST Kit Troubleshooting & FAQs
What are the product specifications and features?
The NAST system offers an all-in-one solution for antibiotic susceptibility testing (AST) by integrating microfluidic technology with an automated detection instrument and specialized reagents. It generates reports to guide antibiotic therapy and reduce resistance risks. It provides automated AST for animal samples. It evaluates the Minimum Inhibitory Concentration (MIC) and reports the antimicrobial susceptibility categories as fast as 6-32 hours (average: 16.5 hours). It uses microfluidic technology for fast and accurate susceptibility assessment.
What are the applications and use cases of this instrument?
The NAST system is suitable for use in general veterinary clinics and animal diagnostic laboratories. It provides rapid guidance for selecting appropriate clinical treatments. It is not intended for diagnosing infections caused by anaerobic bacteria, fungi, or viruses.
What are the advantages of this instrument compared to competitors?
The NAST system provides a faster and more convenient alternative to traditional AST methods, such as disk diffusion and broth microdilution assays. Key features, including rapid analysis and user-friendly operation, significantly enhance efficiency and usability.
Are there any demo or trial options available?
For a detailed demonstration, please visit the product information page.
What is the duration of the test?
It totally spans 6 to 32 hours, with an average of 16.5 hours. (Pre-culture: Approximately 2-16 hours; AST test: 4–16 hours)
What qualifications or preparations are required for operators?
Before operation, refer to the demonstration videos or quick start guides provided by the company. The procedure should be carried out by a veterinary assistant or veterinarian who has attended the on-site demonstration and reviewed the provided operation guide.
What kind of training and support is provided?
At the time of delivery, MedFluid will provide on-site demonstration training and supply a quick operation guide along with a product manual for hospital staff reference. For any additional questions during subsequent use, please contact your local distributor or MedFluid directly. You can contact MedFluid Co., Ltd. via email at info@medfluid.com.tw or by phone at +886-3-658-7974. Service hours are Monday-Friday, 9:00 AM – 6:00 PM.
What are the consumables required for operation?
The system utilizes the NAST Culture Media Aerobic AST Kit, which includes culture medium, cartridges, and reagents. Two antibiotic combination panels, MB04 and MB07, are available for selection.
What items, comsumables or equipment are required for the test?
- Provided by the company:
- NAST Instrumentation, including the instrument, rack and a computer pre-installed with the software.
- NAST Culture Media Aerobe AST kits, including culture medium, cartridges, and reagents.
- To be prepared by the clinic:
- Sampling swabs or needles and consumables (required)
- Centrifuge tubes or Eppendorf (optional)
- Centrifuge (optional)
- Pipettes (optional)”
What are the cost of NAST Instrumentation and NAST Culture Media Aerobe AST kit?
To obtain a quotation or inquire further, please contact your local distributor/ MedFluid.
Can I purchase additional reagents or consumables individually, rather than as a complete AST kit?
To obtain a quotation or inquire further, please contact your local distributor/ MedFluid.
How do I perform data analysis and interpretation?
The test results provided by this product are for veterinary reference only. Specific treatments and procedures should be determined and performed by a licensed veterinarian.
What are the NAST Instrumentation specifications?
The product specifications are:
- Heating temperature: 30-37°C ± 1°C indoors
- Display: Windows-based user interface
- Interface: Wi-Fi, USB
- Output options: e-PDF files
- Operating temperature: Room temperature (15-25°C)
- Power supply: AC 110-240 V, 50/60 Hz
- Dimensions: 75 mm[H] x 140 mm[L] x 200 mm[W]
- Weight: Approx. 1.5 kg
- Storage and shipping conditions: Room temperature (15-25°C), Humidity (5-95%, non-condensing)
Is the software compatible with different operating systems?
The instrument operates on a Windows-based user interface. Please ensure the software is run exclusively on the computer included with the NAST instrument.
What is the warranty information for this product?
The NAST Instrumentation comes with a 12-month warranty from the date of purchase, covering defects in materials or workmanship.
How can I dispose of consumables and waste properly?
Please ensure the disposal of medical waste complies with all applicable local laws and regulatory requirements.


Which hospitals offer NAST for bacterial antibiotic sensitivity test in Taiwan?
Taiwan’s Cities and Counties
Taipei 臺北
- Formosa Vet Center (全民動物醫院-總院):No. 249, Minsheng W Rd, Datong District, Taipei City, 103
- A New Animal Hospital (阿牛犬貓動物醫院):No. 238, Jihe Road, Shilin District, Taipei City, 111
New Taipei 新北
- Sincerity Animal Hospital (橙芯動物醫院):No. 100, Guixing Rd, Banqiao District, New Taipei City, 220056
Taoyuan 桃園
- Chen’s Veterinary Hospital (陳獸醫院):No. 228, Fuxing Rd, Taoyuan District, Taoyuan City, 330
- Elite Animal Hospital (品湛動物醫院):No. 495-9, Minsheng Rd, Taoyuan District, Taoyuan City, 330
- Ho-Yuan Animal Hospital (禾原動物醫院):No. 159, Dayou Rd, Taoyuan District, Taoyuan City, 330
Yilan 宜蘭
- Valence Animal Hospital (維倫斯動物醫院):No. 157, Section 3, Zhongshan Rd, Yilan City, Yilan County, 260
- Davis Animal Hospital (戴維斯動物醫院):No. 100, Section 2, Yixing Rd, Yilan City, Yilan County, 260
Taichung 臺中
- Denny Pet Medical Center (小丹尼寵物醫療中心):No. 217, Section 4, Wenxin Rd, Beitun District, Taichung City, 40667
- Darwin Animal Hospital (達爾文動物醫院):No. 157, Boguan Rd, West District, Taichung City, 403
Tainan 臺南
- LiCheng Animal Hospital (力晨動物醫院):No. 27, Yuzhong Rd, East District, Tainan City, 701
Kaohsiung 高雄
- Jong-Shing Animal Hospital (中興梅西動物醫院):No. 498, Wenfu Rd, Zuoying District, Kaohsiung City, 813
- Alliance Veterinary Hospital (聯盟動物醫院-仁武總院):No. 231, Fengren Rd, Renwu District, Kaohsiung City, 814