Posted 10/27/2014 23:58 (#4148198 - in reply to #4145556) Subject: RE: Is it necessary to use different needle
AB.
Use the same needle all the time especially for the same application like treating the same couple calves every other day. I just rinse it out with water so the product doesn't dry in the needle. I know not a good sterile technique, but it seems to have no recourse