[[File:Milk Bottle.jpg|thumb|250px|A Dairy Crest Semi-Skimmed Milk Bottle]]
La '''Milkleche''' is a white secreted fluid containing nutrients produced by the mammary glands of female es un líquido secretado blanco que contiene nutrientes producidos por las glándulas mamarias de hembras de los [[mammalsmamíferos]]. It contains nearly all the nutrients necessary to sustain [[life]].<ref name=Belitz>{{cite book|author=Belitz, H. D; Grosch, W,; Schieberle, P John M|title=Food Chemistry|year=2009|location=Berlin Heidelberg|edition=4th|publisher=Springer|page=498|isbn=978-3-540-69933-0}}</ref> It is the main source of nutrition for mammals from the early days of their life until they are able to digest other types of [[food]]. One of the most important ingredients in milk is [[calcium]], responsible for the growth of strong [[bones]] and [[teeth]].
<ref>{{cite book|author=Newton, David E|title=Food Chemistry|publisher=Facts On File, Inc., Infobase Publishing|year=2007|page=57|location=New York|isbn=978-0-8160-5277-6}}</ref>