The Evalution of the Hygienic Quality of Raw Milk Destined for Processing in a Dairy Plant from Transilvania

摘要

The research material was represented by 924 raw milk samples collected during January December 2008 from three dairy farms (A, B, C). After processing the obtained results a difference in the total plate count parameter (TPC), was found between the three farms, as following: in farm A the total plate count presented values ranging between 4.320.11 and 4.560.04 log cfu/ml, all the samples were according with EU standards (max. 100.000 cfu/ml, respectively 5.0 log. cfu/ml); in farm B the total plate count presented values included between 4.55 0.11 and 5.990.11 log cfu/ml, no samples were according to EU standards; in farm C the total plate count presented similar values with those presented in farm B, included between 5.930.11 and 6.030.29log cfu/ml, no samples were according with EU standards. The number of the somatic cells (SCC) in farm A was included between 118.000 103.944 cells/ml and 380.50012.020 cells/ml, all the samples were according with EU standards (max. 4000000 cells/ml). In farm B SCC ranged between 249.00063.639 cells/ml and 682.0002.838 cells/ml, 25% from the analysed samples represented unacceptable milk, and in farm C it was included between 269.0009129 cells/ml and 6810001.214 cells/ml, 37.5% from the analysed samples represented unacceptable milk. Based on statistical analysis of the results, significance differences regarding SCC between A and C farm (p=0.045) was established. Inhibitory substances were not identified in all the analysed milk samples.