Süt Akademisi

Milking

Milking

A hormone called oxytocin must be released into the cow’s bloodstream in order to start the emptying of the udder. This hormone is secreted and stored in the pituitary gland. When the cow is prepared for milking by the correct stimuli, a signal is sent to the gland, which then releases its store of oxytocin into the bloodstream.

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Secretion of milk

Secretion of milk

Milk is secreted in the cow’s udder – a hemispherical organ divided into right and left halves by a crease. Each half is divided into quarters by a shallower transverse crease. Each quarter has one teat with its own separate mammary gland, which makes it theoretically possible to get four different qualities from the same cow. A sectional view of the udder is shown in Figure 1.1.

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Cow milk

Cow milk

Milk is the only food of the young mammal during the first period of its life. The substances in milk provide both energy and the building materials necessary for growth. Milk also contains antibodies which protect the young mammal against infection. A calf needs about 1000 litres of milk for growth, and that is the quantity which the primitive cow produces for each calf.

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Primary production of milk

Primary production of milk

Milk production began 6000 years ago or even earlier. The dairy animals of today have been developed from untamed animals which, through thousands of years, lived at different altitudes and latitudes exposed to natural and, many times, severe and extreme conditions. Practically everywhere on earth man started domesticating animals.

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