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 (PSA) is a protein produced in small quantities by the cells of a healthy prostate gland but is often elevated in the presence of prostate enlargement, prostatitis, or prostate cancer. PSA test involves drawing blood and then sent to a laboratory. The result is due in few days.