[Testing the activity of anti-foot-and-mouth disease vaccine in cattle: quantitative methods of antigenic extinction]. 1976

J Terré, and C Stellmann, and A Brun, and H Favre, and J Fontaine

Two methods of evaluating the activity of the foot-and-mouth disease vaccine are compared, leading to the evaluation of the number of protective doses 50% or potency. These methods differ in sensitivity, precision and equivalence potency-percentage of protection. For the same vaccine the value of the PD50 is always larger than that of Pb. We chose the Pb method using a diluent containing no adjuvant. Standards based on the evaluation of average potency have not been taken into consideration; only those standards based on the evaluation of minimum potency ensure respect of OIE's recommendation. This recommendation: 70% minimum potency with 0.95 probability is not an easier alternative, since the average protection observed corresponds in fact to at least 90% taking into account the biological variability of bovines.

UI MeSH Term Description Entries
D008722 Methods A series of steps taken in order to conduct research. Techniques,Methodological Studies,Methodological Study,Procedures,Studies, Methodological,Study, Methodological,Method,Procedure,Technique
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D002418 Cattle Diseases Diseases of domestic cattle of the genus Bos. It includes diseases of cows, yaks, and zebus. Bovine Diseases,Bovine Disease,Cattle Disease,Disease, Bovine,Disease, Cattle,Diseases, Bovine,Diseases, Cattle
D005536 Foot-and-Mouth Disease A highly infectious disease caused by FOOT AND MOUTH DISEASE VIRUS that affects mammals of the ARTIODACTYLA order (CATTLE; SHEEP; GOATS; and PIGS) and is characterized by high fever followed by the appearance of blisters inside the mouth and on the feet. Foot and Mouth Disease,Disease, Foot-and-Mouth,Diseases, Foot-and-Mouth,Foot-and-Mouth Diseases
D005537 Aphthovirus A genus of the family PICORNAVIRIDAE infecting mainly cloven-hoofed animals. They cause vesicular lesions and upper respiratory tract infections. FOOT AND MOUTH DISEASE VIRUS is the type species. Equine rhinitis A virus,Equine rhinovirus 1,Aphthoviruses
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000956 Antigens, Viral Substances elaborated by viruses that have antigenic activity. Viral Antigen,Viral Antigens,Antigen, Viral
D014765 Viral Vaccines Suspensions of attenuated or killed viruses administered for the prevention or treatment of infectious viral disease. Viral Vaccine,Vaccine, Viral,Vaccines, Viral

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