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Comp Biochem Physiol B. 1991;99(3):663-5.

Milk composition in an American marsupial (Monodelphis domestica).

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  • 1Division of Wildlife and Ecology, CSIRO, Lyneham, A.C.T., Australia.


1. Twenty one sequential milk samples from an American marsupial (Monodelphis domestica) were analyzed. 2. The solids fraction was relatively low initially (10% w/w) and then increased to about 30% at mid-lactation where it remained until lactation ceased. 3. During the first 50 days of lactation the relative proportions of protein, fat and carbohydrate were 36, 28 and 34%, respectively, of the solids fraction. 4. Sodium and magnesium concentrations were constant; however levels of potassium and magnesium varied substantially. 5. The milk of M. domestica exhibits a similar pattern of quantitative and qualitative changes to that seen in Australian marsupials.

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