Delv0test®8P-NT NEW Operating Instructions
Contents
1. Delvotest SP NT NEW Operating Instructions fa for testing with the Delvotest new individual ampoules and pipettes jem Preparation Always take a representative sample of cow s milk from a dump bucket bottom of the jar or a well agitated bulk tank If however your parlour is direct to line and you need to sample straight from the cow strip fore milk from all quarters before taking representative sample from all quarters Ensure each sample is clearly identified Plug in incubator amp switch on the ampoule can be prepared during the warm up time 1 Remove the required number of ampoules from the frame _ Be careful not to damage the foil of the remaining ampoules 2 Open ampoules by punching a small hole in the foil using the pointed corner of the green ampoule frame Mark each ampoule for identification 3 Take a fresh disposable pipette for each milk sample Do not touch the stem of the pipette Draw milk into the pipette stem by E al squeezing the top bulb once and dipping the tip into a well mixed milk sample Release the pressure on the bulb and the pipette stem will fill with 0 1ml milk A little surplus milk should collect in the reservoir Millwood Products Main Farmhouse Priston Mill Bath BA SEQ 01225 460234 423894 info millwoodproducts co uk FAIL 4 Push pipette stem through the hole in the ampoule foil Release the milk in the st2. em onto the agar by gently squeezing the top bulb again Discard pipette surplus milk in the reservoir bulb is not used 5 INCUBATE FOR 3 HOURS Place ampoule s in the incubator pre heated to 64 c 0 5 c Press Start key When incubation is complete incubator g will switch off and the alarm will sound Read results within 6 hours or the colours may fade if using an incubator without an automatic switch off read results immediately 6 COLOUR INTERPRETATION A complete or partial YELLOW colour in the lower two thirds of the agar indicates a PASS A complete PURPLE colour indicates a FAIL See examples below PASS milk fit for consignment
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