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Dry card samples for PCR testing

Easily send DRY diagnostic samples across borders

International shipping of equine blood and other fluid samples for diagnostic testing used to be difficult and costly. But now Zoologix offers dry card PCR testing for our international clients. Blood or other fluids are simply spotted onto the card's surface according to the instructions on the back of the card and allowed to dry. Each dried card is then sealed inside its plastic pouch and mailed to Zoologix.

Dry cards work well for international handling of diagnostic specimens because...

  • Liquid samples are perishable, but dry card samples remain stable for weeks at room temperature.
  • Liquid sample tubes are delicate, but dry card samples are unbreakable.
  • Liquid samples are bulky and heavy, but dry card samples are flat and light.
  • Liquid samples need costly packing and special handling, but dry card samples ship in an envelope.
  • Liquid samples can be infectious, but dry cards render most pathogens non-infectious for greater safety in transit.
  • PCR tests from liquid samples are highly sensitive, specific and fast. PCR tests from dry cards are, too!

PCR from dry card samples is a rapid, specific and sensitive technique for screening most infectious diseases of horses. Zoologix performs tests for >40 different equine infectious diseases from dry cards with a turnaround time of two business days following arrival of samples at our lab.

Dry card sample collection instructions:
1. Never touch inside of card or inside of flap.
2. Lift flap only when sample is ready to apply.
3. Spot sample inside circle. For blood or other liquid samples, apply sample until circle is full, but do not apply more sample than the paper can absorb. For swab samples, collect with a dry, sterile swab, then immediately rub swab firmly inside circle to transfer as much material as possible to paper. Do not re-use the swab after it touches the card. Use multiple swabs if necessary to obtain adequate volume of sample to fill circle.
4. Allow paper to dry completely, >1 hour, depending on humidity. Do not use heat to dry. Keep contaminants away.
5. When dry, close flap. Write sample information in space provided. Send to Zoologix.

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