... from what has been said , we think it is clear that the enactment of the provisions of the statute under consideration was required by `` the interests of the public generally , as distinguished from those of a particular class '' and that the prohibition of the slaughter of carabaos for human consumption , so long as these animals are fit for agricultural work or draft purposes was a `` reasonably necessary '' limitation on private ownership , to protect the community from the loss of the services of such animals by their slaughter by improvident owners , tempted either by greed of momentary gain , or by a desire to enjoy the luxury of animal food , even when by so doing the productive power of the community may be measurably and dangerously affected .