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.
A prostate-specific antigen (PSA) test is a common screening tool for prostate cancer. This is a blood test that measures levels of PSA in your bloodstream. A prostate-specific antigen (PSA) test is a common screening tool for prostate cancer.