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Concentrations of Ganglioside Type M1 and Immunoglobulin G in Colostrum Are Inversely Related to Bacterial Infection at Early Lactation in Cows

G. Leitner^*,1, O. Krifucks^*, S. Jacoby, Y. Lavi and N. Silanikove

^* National Mastitis Reference Center, Kimron Veterinary Institute, Ministry of Agriculture and Rural Development, PO Box 12, Bet Dagan 50250, Israel
Institute of Animal Science, The Volcani Center, PO Box 6, Bet Dagan 50250, Israel
PO Box 322, Sha’ar Efraim 42835, Israel
Biology of Lactation Laboratory, A.R.O., The Volcani Center, PO Box 6, Bet Dagan 50250, Israel

¹ Corresponding author: leitnerg{at}moag.gov.il

The levels of IgG and ganglioside type M1 in the colostrum of cows and heifers were analyzed to examine their utility in predicting acquisition of intramammary infection (IMI) during the first weeks postpartum. In general, high levels of IgG and ganglioside type M1 in cows were associated with lower new incidence of IMI, and linear discriminate analysis based on these 2 variables yielded 69.4% successful classification into cows that did or did not acquire new IMI. This analysis was less successful in heifers because a high proportion of them joined the herd when already infected with bacteria in their udders. It is suggested that application of a wider range of measures that reflect the immune status would enable the identification of most cows prone to new IMI.

Key Words: immunoglobulin • ganglioside • mastitis • dairy cow

This article has been cited by other articles:

				K. Stelwagen, E. Carpenter, B. Haigh, A. Hodgkinson, and T. T. Wheeler Immune components of bovine colostrum and milk J Anim Sci, April 1, 2009; 87(13_suppl): 3 - 9. [Abstract] [Full Text] [PDF]