Infected Animals Lost 150 Pounds Each Md. Scientists Discover Two University of Maryland veterinary science researchers have added another vuus to the list of 17 already known to pro duce respiratory infection in cattle The new virus, of the herpes group, has not yet been named But it has been given an interim designation of DN-599 Dr Sashi B Mohanty, associate pro fessor of Veterinary Science at College Park, isolated the new vuus from samples gathered by Dr Robert C. Hammond, Ex ten si o n veterinarian The samples were collected in a herd of 100 steers last winter in a Fiederick County, Maiyland, feedlot The chain of circumstances /e you thought of the extra bonus you get :h a Case backhoe or loader’ Right in your a, there are plenty of people who need ling or excavating work done The pay is xcellent Some farmers are making moie money on the side than with their farming operations The New CKs are so easy to operate Anyone can become a proficient opera tor. Get a heavy-duty farm loader plus a profitable “part time” iob, all in one machine We have the most liberal financing opportunities available right now. A. L HERR & BRO. o-JES&f - leading to discovery of the new virus began when 60 of the steeis became noticeably ill about 10 days after they were pui chased at auction and taken to the farm. Dr James McClel lan, the local veterinarian, pro scribed and administered an an tibiotic treatment to curb se,. ondary infection Then he call ed on University of Maryland veterinary scientists foi help in pinpointing the causative a >ent Since respiratory diseases h /e been a problem - in the sl-te. Dr Hammond took nasal swabs fiom some of the steers, many of which were running tempera tures of 106 ° F , had running noses and coughs and exhibited signs of pneumonia. He im FARMERS- Earn extra money with a Case mediately froze the samples in diy ice and lushed them to the University’s animal health lab -01 atones Dr Mohanty injected the iv v swabs into primary bovine cv oiyonic kidney cell cultures ll isolated the virus after nine fuys of incubation. He then inoculated two healthy calves with the isolate In five days, the calves began to show typical respiratory disease symp toms They had tempeiatmes of '7l Turkey Crop Should Be Cut 5%, USDA Soys The USDA, prodded by the National Turkey Federation, has released its 1971 Turkey Marketing Guide about two months ahead of schedule The Guide recommends a 1971 crop of not ovei 109 mil lion turkeys, down five per cent from 1970 Also breeder hens held for 1971 hatching egg production should be reduced nine per cent from year earlier levels Production and marketing costs may increase IVz cents per pound, the Guide repoitp. In addition, demand may be weak during the first six months of 1971 at the same time that competition from pork and other meats will be exceptional ly stiong The National Turkey Federa tion has warned its members that “the mdustiy is headed for extreme financial difficulty next year unless meaningful ad justments are made and,made right now 1 ” If piesent plans persist, says NTF president, Lloyd Peterson, the “wnng-out” yeais of 1961 and 1967 will appear as a Sun day School picnic by compari son. Meanwhile, however, NEPP CO lepoited its infounation shows pei sons who raise, dress and sell their own bads are having another good year in the face of strong demand. But NEPPCO also reported rising costs and labor problems will result in overall lower pro fits. BACKHOE LOADER Lancaster Farming, Saturday, December 12,197(P- New Steer Vims 106°F, coughs, lunmng noses and pneumonia After 10 days, the virus was again isolated from tissues of the infected calves A control calf, isolated in an adjoining room, remained healthy dunng the experiment, and laboratory technicians weie never able to isolate the virus from him Aftei testing foi all known bovine vnuses and examining the isolate with an electron micioseope, Dr Mohanty con cluded there was a good proba bility that this was a new vnus Fuither, he could not find an tibodies to the virus in serum from 84 other Maryland cattle Dr Hammond lepoiled that all 60 of the infected steei s in the Frederick County herd re covered, but they lost an esti- mated 150 pounds of body weight pei steei “We will certainly be on guard this winter,” the Extension veter inanan said in a recent inter view, “because we know so little about the new virus “Respnatoiy virus disease continues to be a problem in Maryland cattle, and we will continue a progiam of taking nasal swabs and serum samples for diagnostic purposes,” he added Dr Hammond and Dr Mohan ty were recently informed that their findings concerning the new virus have been accepted foi publication in Archives Ges Virus Foischung (Archives for Virus Research), a highly reputed vnology journal pub lished simultaneously in Weir, Noiway, and New York, NY. 27
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