Monitoring of pasteurization systems

Pasteurize waste cows milk and colostrum
CalfStart understands the value of your
replacements and strives to assist you
optimizing their productivity through
monitoring, education and consultation in
the management of newborn calf nutrition
using whole pasteurized milk and colostrum systems.


Batches (30-L) of first-milking bovine colostrum, inoculated with Mycoplasma bovis (108 cfu/mL), Listeria monocytogenes (106 cfu/mL), Escherichia coli O157:H7 (106 cfu/mL), Salmonella enteritidis (106 cfu/mL), and Mycobacterium avium subsp. paratuberculosis (Map; 103 cfu/mL), were heat-treated at 60°C for 120 min in a commercial on-farm batch pasteurizer system. Duplicate 50-mL subsamples of colostrum were collected at 15-min intervals throughout the heat-treatment process for the purpose of bacterial culture and for measurement of IgG concentration (mg/mL) and antibody activity.

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