This kit contains:
50 - Red Top Blood Collection Tubes
50 - 3cc Syringes w/ 20g x 1" Needles
1 - Informational Packet
This is everything you need to collect blood from 50 animals.
The video below shows how to tail bleed cattle with the "Double Ended Bleeding Needles (Vacutainer)", the same method can be used with a syringe and needle.