> I am a hospital based LC working in all areas, PP, newborn, NICU  and
> whatever breast feeding issues arise. A NICU RD has asked this question
> and
> I dont know the exact process she is asking for. Can anyone explain how
> the
> dairy products (cow milk protiens) are transferred into breastmilk? Does
> any one know the process? How it breaks down in the gut and what it breaks
> down to?
> Thanks Betty McDaniel RN, IBCLC
>

LLLI's Breastfeeding Answer Book gives these references, which may offer
insights.

Clyne, P. and Kulczycki, A.  Human breast milk contains bovine IgG:
relationship to infant colic?  Pediatrics 1991;87(4):439-44.

Sorva, R. et al.  Beta-lactoglobulin secretion in human milk varies widely
after cow's milk ingestion in mothers of infants with cow's milk allergy.
J Allergy Clin Immunol 1994;93:787-92.

Warmly,
Margaret
Longmont, CO

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