of drug (e.g. a barbiturate) is insignificant after rendering. Carcasses of horses treated with some drugs are considered edible in some jurisdictions. For example, according to Canadian regulation, hyaluron, used in treatment of particular disorders in horses, in HY-50 preparation, should not be administered to animals to be slaughtered for horse meat. In Europe, however, the same preparation is not considered to have any such effect, and edibility of the horse meat is not affected. Attitudes towards horse meat Horse meat is commonly eaten in many countries in Europe and Asia. It is not a generally available food in some English-speaking countries such as the United Kingdom, South Africa, Australia, Ireland, the United States, and English Canada. It is also taboo in Brazil, Poland, Israel, and among the Romani and Jews over the world. Horse meat is not generally eaten in Spain, except in the north, but the country exports horses both as live animals and as slaughtered meat for the French and Italian markets. Horse meat is consumed in some North American and Latin American countries, but is illegal in some others. The Food Standards Code of Australia and New Zealand definition of 'meat' does not include horse. In Tonga, horse meat is eaten nationally, and Tongan emigrants living in the United States, New Zealand, and Australia have retained a taste for it, claiming Christian missionaries originally introduced it to them. Earlier in Islam consuming horse meat is not haram, but makruh, which means it should be avoided, but eating it is not a sin like the eating of pork, due to its other important usage. The consumption of horse meat has been common in Central Asian societies, past or present, due to the abundance of steppes suitable for raising horses. In North Africa, horse meat has been occasionally consumed, but almost exclusively by the Hanafi Sunnis; it has never been eaten in the Maghreb. Horse meat is forbidden by Jewish dietary laws because horses are not ruminants and do not have cloven hooves and are therefore not kosher. In the eighth century, Popes Gregory III and Zachary instructed Saint Boniface, missionary to the Germans, to forbid the eating of horse meat to those he converted, due to its association with Germanic pagan ceremonies. The people of Iceland allegedly expressed reluctance to embrace Christianity for some time, largely over the issue of giving up horse meat. Horse meat is