Milk of cow

differences with respect to maternal milk

Calcium, phosphorus and salts.

The cow milk has a much more high content in salts and minerals that the human one.
Thus for example, the calcium content and phosphorus of the cow milk very are elevated, but in the relation calcium-phosphorus the metabolism of calcium is at a disadvantage.
Because of it, the administration in the first days of milk of modified cow cannot cause one hypocalcaemia and, with it, many disadvantages.
The cow milk has a high content in sodium and proteins. Because of it, the bred boy with artificial milk must eliminate through kidney an amount of water greater than the one than he eliminates the bred boy the chest (the water transports sodium and the nitrogen derived from proteins).

Iron.

During long time one thought that both types of milk, human and the vaccine, provided a little iron contribution in the first months of life
Recently has demonstrated that the iron of human milk is absorbed in a percentage that approaches 50%.
Being therefore the things, it is that human milk contributes iron much more of which was believed before.

Vitamins.

Maternal milk and the milk of cow have a similar vitamin content A; the vitamin and is present in greater amount in the maternal milk that in the one of cow, whereas the opposite happens to vitamin K.
The vitamin content C of human milk is sufficient for the organism, whereas it cannot be said the same in relation to the cow milk (that, in addition, loses part of its vitamin C by action of the processes of conservation and sterilization).
During long time one thought that human milk was poor in vitamin D, that is the antirachitic vitamin par excellence, reason why was not explanation to the fact that the rickets was rare between the bred children to the chest and frequents artificially between the fed ones.
Recently one has demonstrated that the amount of present vitamins in human milk is sufficient for the exigencies of the boy.
The reason by that before all the opposite was believed is that vitamin D is present in maternal milk in a form different from which looked for

Antiinfectious factors.

Already it has been widely demonstrated that human milk has important antiinfectious properties.
Maternal milk contains, in effect, certain antibodies.
These antibodies (more abundant in the maternal milk of the first days after the childbirth, that is to say, in the colostrum) cannot be absorbed by the intestinal mucosa and, therefore, they possibly exert its protective activity in tract gastrointestinal and in the respiratory routes, where they could arrive with some milk bubble.
Many of these present antibodies in human milk have an action specifies against numerous pathogenic germs, protecting to the organism in front of the infections.

Human milk influences in the composition of the intestinal bacterial flora and lees.
The lees of a bred boy to the chest are acid, yellow and with an sharp scent, whereas those of a boy fed with cow milk they are alkaline, white and of fetid scent. Such differences are accompanied by presence of different microorganisms in both cases.
This greater protection as opposed to the serious diseases in comparison with the slight ones is more evident in the first months of life and is proportional to the duration of the lactation to the chest.

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