The ASPCA also specifies âspecies suitable to be companion animals include dogs, cats, horses, rabbits, ferrets, birds, guinea pigs and select other small mammals, small reptiles and fish. However, many other governmental agencies, associations and interest groups insist that horses are livestock.
What Is Zinc PCA. Zinc PCA is also a trace element where the PCA stands for Pyrrolidone carboxylic acid. It has similar functions in general so in some cases it can be used in situations where Zinc cannot because of the different structure.
Prostate specific antigen, or PSA is a protein produced by the prostate that is found in semen. Measuring PSA levels is an important component to detecting possible signs of prostate cancer. High PSA levels in your blood could be a warning sign of an issue with your prostate.