Samonella control at swine farms

Dear Hector et al,

Very interesting and well presented study! I think this is a worthwhile study that in addition to investigation of the cleaning effectiveness against Salmonella, its data can be used to study the transmission of Salmonella from farm to abattoir. To address the later, it would be very useful for the readers to know whether the pigs from studied farms were transported by the studied trucks to the studied abattoirs? Also if the serotyping results can be contrasted among isolates recovered from farms, trucks and lairage.

Vahab Farzan
Department of Population Medicine
University of Guelph
Guelph ON N1G 2W1
Canada

Dear Farzan,

Thanks for your opinion. Regarding the question and suggestions that you posted I have to say that each study was carried out separatelly, that is to say, there were no link among the three studies so isolates from farms, trucks and lairage, so the association among these three points of the production system cannot be matched, in any case thanks fo your idea :-).
The objetive of the study was enhance the value of good cleaning procedures to remove Salmonella from the environment.

If you are interested in monitoring trials from farm to abattoir level I could recommend you some including one of mine (Prevalence and serovars of Salmonella enterica on pig carcasses, slaughtered pigs and the environment of four Spanish slaughterhouses; Arguello et al., 2011)

Best regards

Hector Arguello

Thanks for very useful dates! Its show of the weak side of desinfection procedures, which are based on chemical development of living environment. I think that chemical disinfectants destroy the living systems while its need in melioration by natural resident microflora - at least after "chemizatiion" of environment.
BUZUN Andriy
Research lab for Swine Disease
NatSciC "Institute for Experimental & Clinical Vet Medicine"
Kharkiv, Ukraine