This reaction is partly caused by the release of histamine from certain cells in the body. Xyzal is an antihistamine, which means it blocks histamine from binding to histamine receptors and causing allergy symptoms. Because histamine is responsible for many of the symptoms of allergies, blocking it can be helpful.
The Chianina is both the tallest and the heaviest breed of cattle. Mature bulls stand up to 1.8 m (5 ft 11 in), and castrated oxen may reach 2 m (6 ft 7 in). It is not unusual for bulls to exceed 1,600 kg (3,500 lb) in weight. Males standing over 1.51 m (4 ft 11 in) at 12 months are considered top-grade.
The Great Dane is one of the most elegant and distinguished of the giant breeds. The European boar was a savage, swift, powerful and well-armed foe, requiring a superdog to hunt it. It is believed that the breed's origins can be traced to Irish Wolfhound with mixture of old English Mastiff.