Quality of raw milk from a farm with automatic milking system in the Czech Republic
2011
Janstova, B.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Hygieny a Technologie Mleka | Drackova, M.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Hygieny a Technologie Mleka | Dleskova, K.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Hygieny a Technologie Mleka | Cupakova, S.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Hygieny a Technologie Mleka | Necidova, L.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Hygieny a Technologie Mleka | Navratilova, P.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Hygieny a Technologie Mleka | Vorlova, L.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Hygieny a Technologie Mleka
The aim of this study was to assess the quality of raw cow's milk from an automatic milking system. Samples of milk (n=48) were analyzed chemically and microbiologically and the somatic cell count, freezing point and inhibitor residues were determined. For comparison purposes, milk analysis data from two farms using conventional machine milking and 2008 milk analysis report data for the Czech Republic were used. All physical and chemical characteristics of the study samples were within the established limits. The average content (%) of chemical indicators was as follows: fat 3.79+/-0.18, protein 3.46+/-0.06, casein 2.67+/-0.09, lactose 4.82+/-0.04 and NFS 8.96+/-0.11. The values of freezing point and somatic cells count were 221+/-46 x 10**3/mL and -0.521+/-0.003 deg C, respectively. No inhibitor residues were detected in any of the samples. Microbiological values were lower than the limits. They were as follows: total microbial count: 2.3 x 10**4 CFU/mL, psychrotrophic count: 6.3 x 10**3 CFU/mL, coliform count: 24 CFU/mL, Escherichia coli count: 32 CFU/mL, enterococci count: 85 CFU/mL and Staphylococcus aureus count: 11 CFU/mL. The study provides a comprehensive view on the quality of milk produced by robotic milking. The automatic milking system seems to be excellent in terms of milking and milk hygiene.
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