For the treatment of Vitamin B12 deficiency in lambs, calves, sheep and cattle
In the past, doctors relied on their own knowledge of bones, joints and tendons to direct the needle
Recommended Aseptic Practices Single-use needles : Never reuse needlesrepeated punctures damage rubber stoppers, allowing microbial ingress and losing vacuum seal Alcohol swabbing : Swab stopper before each puncture and allow alcohol to fully evaporate (30 seconds) before inserting needle Syringe selection : Use luer-lock syringes rather than slip-tip to prevent accidental needle detachment during withdrawal Withdrawal technique : Insert needle at a slight angle to minimize coring of rubber stopper particles into solution Air displacement : Inject an equal volume of air into the vial before withdrawing liquid to maintain neutral pressurethis prevents stopper collapse in multi-dose vials Signs of Microbial Contamination Even with bacteriostatic water, gross contamination can occur with poor technique: Cloudiness that develops over 24-48 hours (peptide precipitation is immediate
Moving too slowly leaves efficacy on the table
Start with very low doses testing tolerability before advancing to therapeutic doses
Only one peptide, emideltide, was rejected by the committee