流行 发表于 2025-3-28 17:20:08
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http://reply.papertrans.cn/23/2272/227133/227133_42.pngtransient-pain 发表于 2025-3-29 01:15:30
Characteristics of the Virus,trated through ‘finest porcelain filters’, thus indicating that the causative agent of hog cholera was a filtrable substance rather than the ‘hog cholera bacillus’. These first attempts to characterize hog cholera virus (HCV) particles were followed by experiments using more advanced filtration techFRAUD 发表于 2025-3-29 03:35:59
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http://reply.papertrans.cn/23/2272/227133/227133_45.pngPessary 发表于 2025-3-29 14:12:31
http://reply.papertrans.cn/23/2272/227133/227133_46.pngabject 发表于 2025-3-29 17:59:32
Vaccines,. The production methods as well as the properties and quality of these vaccines vary considerably. Some vaccines have become very useful instruments for fighting CSF. Other vaccines have been taken out of production for various reasons: pathogenic character of the virus strain, ineffectiveness, exc裂隙 发表于 2025-3-29 21:40:06
Control of Classical Swine Fever,t was not identified it is most likely that CSF virus was present among pigs in Europe and North America, where the production of pig meat increased during this period. It is interesting that control measures were already introduced a long time before the etiology and epidemiology was fully recognizLANCE 发表于 2025-3-30 03:00:28
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