1. opacification-the process of becoming cloudy or opaque. natural action, natural process, action, activity-a process existing in or produced by nature (rather than by the intent of human beings); the action of natural forces; volcanic activity.Translations.. opacification-the process of becoming cloudy or opaque. natural action, natural process, action, activity-a process existing in or produced by nature (rather than by the intent of human beings); the action of natural forces; volcanic activity. Translations.
A booster is a repeat of a previous vaccine that the dog has already received. The goal of the booster is to boost the dogs immunity up to an effective level. Older dogs need boosters every 1-3 years because otherwise their immunity would start to drop.
At least 3 doses, between 6 and 16 weeks of age. 2 doses, 3-4 weeks apart. Puppies need a booster 1 year after completing the initial series, then all dogs need a booster every 3 years or more often. Core dog vaccine.t least 3 doses, between 6 and 16 weeks of age. 2 doses, 3-4 weeks apart. Puppies need a booster 1 year after completing the initial series, then all dogs need a booster every 3 years or more often. Core dog vaccine.