Show shipping fever of cattle Is prevented protective agent quite efficacious against disease prepared by the united states department ot of agriculture hemorrhagic aggress ln Js a recently discovered protective agent against the alie dimase dl di oease vase known as hemorrhagic septicemia which Is so highly infectious among farm ant finals particularly cattle and sheep the bureau of animal industry of t the ie united states department of agriculture developed this inn in a revised edition of farmers bulletin 1018 10 hemorrhagic septicemia shipping fever of cattle just published J washburn says numerous experimental animals were vaccinated vaccina ted with this material and subsequently were given a severe artificial exposure together pr some unvaccinated vaccina ted control animals in these experiments all the vaccinated vaccina ted animals remained healthy while the unvaccinated vaccina ted ones developed fatal hemor infections this Is a germfree germ free sterile pr product od it Is now manufactured under commercial conditions and Is proving to he be quite as in practice as it hns proved experimentally the disease Is known popularly as aa shipping fever of cattle the but bul letin letan deK describes rIbes the bacterium causing the he disease tho the symptoms and anatomical changes produced and gives suggestions for diagnosis an for distinguishing the disease fro broil ni other malignant maladies it also gives directions for prevention ani and for the he care of animals and premises during and after outbreaks of the disease no effective medicinal treatment for infected animals Is known if the presence of the disease la Is suspected the owner should call a competent veterinarian who will ad adelsa vise as to protective measures and preventive treatment the revised edition of farmers S bulletin 1019 F way may be obtained free frea on application to the united states department of agriculture washington D C |