Reports

Composition of the Milk from Zalophus californianus, the California Sea Lion

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Science  12 Jan 1962:
Vol. 135, Issue 3498, pp. 104-105
DOI: 10.1126/science.135.3498.104

Abstract

The milk of Zalophus californianus is similar to that of other marine mammals. The chief protein of the milk is casein, which has a lower phosphorus content than bovine casein. There appears to be a complete absence of lactose, and it is believed that this is the first unequivocal demonstration of the absence of lactose from the milk of any mammal.

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