Improving farm management by modeling the contamination of farm tank milk with butyric acid bacteria

Journal of Dairy Science
M M M VissersJ M G Lankveld

Abstract

Control of contamination of farm tank milk (FTM) with the spore-forming butyric acid bacteria (BAB) is important to prevent the late-blowing defect in semi-hard cheeses. The risk of late blowing can be decreased via control of the contamination level of FTM with BAB. A modeling approach was applied to identify an effective control strategy at the farm level. The simulation model developed was based on a translation of the contamination pathway into a chain of unit operations. Using various simulations, the effects of factors related to feed quality, feed management, cattlehouse hygiene, and milking practices on the contamination level of FTM were evaluated. Contamination level of silage was found to be the most important factor. When silage contains on average less than 3 log10 BAB/g, a basic pretreatment of udder teats before milking (approximately 75% removal of attached spores) is sufficient to assure an FTM contamination level below 1 BAB/mL. When silage contains more than 5 log10 BAB/g, it should not be fed, because it then becomes almost impossible to assure an FTM contamination level below 1 BAB/mL. Measures aimed at improving cattlehouse hygiene, the contamination via soil, and the contamination level of other feeds con...Continue Reading

References

Mar 1, 1970·The Journal of Applied Bacteriology·J L Bergère, J Hermier
Nov 1, 1994·International Journal of Food Microbiology·J Baranyi, T A Roberts
Jun 19, 1998·International Journal of Food Microbiology·M H CassinR S McColl

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Citations

Sep 2, 2008·Applied and Environmental Microbiology·Marie-Claude JulienPascal Drouin
Jun 16, 2015·Journal of Dairy Science·C CosentinoP Freschi
Oct 12, 2015·Journal of Dairy Science·V Manimanna SankarlalS Clark
Dec 25, 2010·Journal of Dairy Science·A G J Velthuis, M A P M van Asseldonk
Jun 22, 2007·Journal of Dairy Science·M M M VissersJ M G Lankveld
Nov 21, 2007·Journal of Dairy Science·G BorreaniE Tabacco
Dec 22, 2006·Journal of Dairy Science·M M M VissersJ M G Lankveld
Sep 27, 2015·Veterinary Research·Gaël BeaunéePauline Ezanno
Aug 27, 2019·Journal of Dairy Science·Nicole H MartinMartin Wiedmann
Apr 5, 2020·Animals : an Open Access Journal From MDPI·Álvaro Rafael QuintanaRamón Arias
Dec 15, 2020·Journal of Dairy Science·N H MartinM Wiedmann
Feb 24, 2009·International Journal of Food Microbiology·Helen E CloughNigel P French

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