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heat-treatment

Heat-Treated (in single aliquot or batch) colostrum outperforms non-heat-treated colostrum in terms of quality and transfer of immunoglobulin G in neonatal Jersey calves

Extract: 

Heat-treating colostrum at 60°C for 60 min, using either the Perfect Udder bag or batch pasteurizer system, resulted in a significant reduction of colostrum bacterial counts while maintaining colostrum IgG concentrations compared with fresh frozen or fresh refrigerated colostrum. Calves fed heat-treated colostrum (PU or DTB) experienced significantly improved AEA and higher final serum IgG and STP measures at 24 h of age compared with calves fed fresh (FF or FR) colostrum.

Source: 

A.A. Kryzer,*1 S.M. Godden,* and R. Schell†

*Department of Veterinary Population Medicine, University of MInnesota, St. Paul 55108

†CalfStart, LLC, Altura, MN 55910

J. Dairy Sci. 98:1870-1877

http://dx.dor.org/10.3168/jds.2014-8387

 ©American Dairy Science Association®, 2015.