Show delay in immunizing hogs may be costly it should be done shortly after weaning pigs irre pared by the united states department of 0 service the objection of many farmers to haying having their swine hernia berls immunized against hog cholera on oil account or of cost comes principally from those who wait until tile hogs bogs are full grown before using tho the treatment says sais dr T 11 white of tho division of hog cholera control bureau of animal industry united states department of agriculture in sections where ito hog cholera cholera Is s more or loss less prevalent year after year doctor whito white adds tile geruin treatment la Is tho the only safe method of protection in ili those localities tile the till im mun izing of the lierd herd should be it regular practice just its s ca docking aig horning deti de orning and other com common nion livoi alve s tock operations As in tile case of those that are practiced early in the life of tile the anlin animal til it la Is preferable to immunize early in experimental tests and under certain field conditions pigs a few days daya old have been immunized against log 1109 cho cholera lern in general practice however opinion seems begins to favor faor im immunization not long before or soon after weaning even at that period when the alga may weigh front from 30 to 10 40 pounds tile the amounts of serum anil and virus necessary to confer immunity are aie much less tit than all tor for grown hogs the cost Is corr correspondingly 0 spon lower a pig of that age q airing ing in some cases only a third of the expense necessary to treat a full grown hog also the veterinarian finds it easier to li handle tindle young pig if a young pig dies tile loss losi Is compared with that of a larger ito hog |