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.
PSA (prostate-specific. antigen) is a protein produced by the cells in your prostate. gland. According to experts, the PSA test (where levels of. PSA in the blood are measured) helps detect prostate. cancer in men above the age of 50. The higher your PSA levels, the higher your chance of. getting prostate cancer.