@article{MAKHILLJAVA20076121651,
    title = {Characterisation of <I>Mannheimia </I>Sp<I>.</I> and <I>P. multocida </I>Strains Isolated from Bovine Pneumonic Lungs in Two Slaughterhouses in Mexico},
    journal = {Journal of Animal and Veterinary Advances},
    volume = {6},
    number = {12},
    pages = {1398-1404},
    year = {2007},
    issn = {1680-5593},
    doi = {javaa.2007.1398.1404},
    url = {https://makhillpublications.co/view-article.php?issn=1680-5593&doi=javaa.2007.1398.1404},
    author = {C.J. Jaramillo-Arango,R. Hernandez-Castro,V.Campuzano-Ocampo,F. Suarez-Guemes,R. Delgado-Gonzalez and},
    keywords = {Mannheimia serotypes,P. multocida biotypes,pneumonic lung,cattle},
    abstract = {<I>Mannheimia</I> sp. and <I>P. multocida </I>(Pm) strains were isolated from pneumonic lungs (n = 475) which were  obtained  in  two  slaughterhouses in Mexico. Isolation and phenotyping were carried out by means of <I>in vitro</I> culture, as well as biochemical and immunological tests. Of the 131 isolates 60.3% was Pm and 39.7% was <I>Mannheimia</I> sp. The isolating rate in lungs was 16.6%  for  Pm,  10.7% <I> M. haemolytica</I>  (Mh) and  0.2% <I>M. glucosida</I> (Mg) in both slaughterhouses. These differences were significant (p 0.05). Out of 52 <I>Mannheimia </I>sp<I>. </I>isolations, 98% was Mh and 1.9% Mg. Out of 51 Mh isolates 33% was of Serotype 1(S1), 17.6% S6 and 49% Non-Typable (NT). These differences were significant (p 0.05). Out of 79 Pm isolations, 98.7% was biotype A and 1.2% biotype D. These differences were significant (p 0.05). Pm got the highest rate of isolations in lungs which differs from data of previous results where Mh is considered as the most pathogenic bacteria and the most commonly associated to bovine pasteurelosis pneumonic. The highest frequency of Mh S1 and Pm biotype A confirms that these two bacteria are the most commonly found in pneumonic lungs in Mexico.}
    }