Show VACCINATE YOUNG STOCK TO PREVENT BLACKLEG this la in tho the time of the year when stockman should voc cinato all their young cattle to protect them against blackleg a deadly disenso that Is common in most parts or this state this disease affects young cattle especially those between the ages ot of six and eight eighteen eon months however in some infected districts it had been reported that calves frequently begin to ito die at the ago age of tour four or five months in rare cases cattle have contracted it after two years old tho the general symptoms 0 of blackleg are acm alpi fever loss of appetite suspension of rumi rumination cho chewing whig the cud and groat groa t depression breathing becomes rapid and animal moves with difficulty and often lies down tumors or swei swellings lings develop under the tha skin on any part ot of the an asal I 1 I 1 the tall and below tho the 3 and hooks it if the thigh or shoulder Is swollen swollen tho the animal becomes lame and does not care to tf if the swellings aro are put cut into a frothy dark rod red fluid Is discharged sometimes tho the swellings aro are not noticeable e I 1 tho the disease usually terminates fatally death generally occurring in from twelve to ahli thirty ty six she hours after S the appearance of 0 first symptoms blackleg carcasses soon boon become very much dis distended tented by gas this la Is especially pronounced in tho the region ot of the swellings or tumors the hide crackles it rubbed T there b ere Is no medicinal treatment for blackleg the only reliable and effective means known lor fir protecting animals animal against blackleg is vaccination cli ci with blach blackleg leg vaccine immunity conferred by vaccination nation varies according to tho the test teat they axe are 1 aceres aln prep prepared tred from the juices derived from bl blackleg lesion and mado made sterile by filtering through Dorc porcelain olafa 2 filtrate i prepared by growing blac blackleg klem organisms in A special medium until the fluid becomes with their products after which it la Is passed through a porcelain eUln filter both agg reasin and fil nitrate possess highly satisfactory doing being ga eftim rm free there la Is no danger of 0 producing tho the la in the treated animal they confer immunity which eighteen months or longer the germ gem tha taca produces this disease will live in tho the ground indefinitely ini tely toly therefore animals that do on pasture or in feed lots should be properly dispo disposed zed ot of by burning or by burying at least elx all toot deep lime lima should be mixed with the dirt with which the hole la Is filled IL ila J F frederick reder fek veterinarian utah agricultural experiment station |