In several studies, however,it has been demonstrated that phenotypic methods
are insufficient for identification of CNS isolates from the bovine (Bes et al., 2000; Capurro et al., 2009; Sampimon et al., 2009). Currently, genotyping is the preferred
method to gain accurate information on CNS at the species level (Zadoks and Watts, 2009). In the past,CNS from cows’ environment have only been studied by
using phenotypic methods (Matos et al., 1991) and as far as we know, their genotypes have never been compared with those of CNS causing IMI. Amplified fragment length polymorphism genotyping enables not only species identification, but also genotypic comparison of CNS isolates and tracking of the spread of specific CNS genotypes, which provides valuable information on epidemiology
of these udder pathogens. Because different control practices are needed when either contagious or environmental pathogens cause a significant proportion
of all IMI in a herd, determining the epidemiology of individual CNS species is useful for the dairy industry to prevent infections with particular more pathogenic
CNS species.
In several studies, however,it has been demonstrated that phenotypic methods
are insufficient for identification of CNS isolates from the bovine (Bes et al., 2000; Capurro et al., 2009; Sampimon et al., 2009). Currently, genotyping is the preferred
method to gain accurate information on CNS at the species level (Zadoks and Watts, 2009). In the past,CNS from cows’ environment have only been studied by
using phenotypic methods (Matos et al., 1991) and as far as we know, their genotypes have never been compared with those of CNS causing IMI. Amplified fragment length polymorphism genotyping enables not only species identification, but also genotypic comparison of CNS isolates and tracking of the spread of specific CNS genotypes, which provides valuable information on epidemiology
of these udder pathogens. Because different control practices are needed when either contagious or environmental pathogens cause a significant proportion
of all IMI in a herd, determining the epidemiology of individual CNS species is useful for the dairy industry to prevent infections with particular more pathogenic
CNS species.
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