Veterinary preparations for companion animals in the treatment of weight loss, obesity, urine spraying, chronic pain, gastrointestinal disorders, neurodegenerative disorders, parasitic infestations, neurological disorders, anxiety, hypertension, dermatitis, cancer, anemia associated with chronic renal failure, fleas, pain associated with orthopedic and soft tissue surgery, chronic kidney disease, and emesis; preparations for destroying vermin, namely, insecticides for use with livestock and livestock premises; veterinary preparations for the treatment, control and symptomatic relief of infectious and metabolic diseases of livestock; dietary food supplements for animals; antibacterial; production enhancement for livestock; medicated feed additives and medicated water additives for animals; diagnostic agents and devices to identify pathogens or residues of biological interest for veterinary use