A vaccination is a treatment which makes the body stronger against a particular infection. The body fights infections using the immune system, which is made up of millions upon millions of cells including T cells and B cells.
Pink eye in cattle, medically known as infectious bovine keratoconjunctivitis, is a contagious bacterial infection of the eye. Cattle pink eye is different from human pink eye, which, although usually infectious, is not highly contagious. Pink eye in cattle also looks clinically different and is usually much more severe than the disease in humans. Pink eye in cattle is most commonly caused by a bacterium called Moraxella bovis. This crafty microbe uses tiny hair like structures called pili to attach to the white part, or the conjunctiva, of the eye and cause damage.
Bulls EyeÂ® Shellac is an alcohol-based solution of pure lac, a natural resin secreted by tiny insects on certain trees, mainly in India. After it is harvested the dark, reddish-brown resin is crushed into granules, rinsed to remove the natural dye and then dried.