The cows kept in the current era are always under great pressure to meet human milk.
One of the main reasons why we drink milk is because calcium - this element will help your bones and teeth become strong, healthy muscles (including the heart muscle) and stimulate blood flow.
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In a recent study, scientists at the University of Wisconsin-Madison have discovered a method that can increase the concentration of calcium in milk by milking cows regularly injected hormone serotonin. This hormone is said to have the ability to create a sense of happiness.
If you think the life of a cow quite happy and relaxed, just lounging graze under the sky green fresh cool then you must be wrong.
The cows are raised in a natural grazing environment. (Image Source: Reuters).
The increase in the breakneck pace of factory farming, the current milk production is a non-natural. The modern dairy farms cramming hundreds, even thousands of cows. Each child is such that hybridization can generate average milk yield more than 6 to 7 times more than the cows belonging to the last century. The cows were continually making pregnant to produce milk. And after about 3 to 4 years, when their yield is reduced, they will be resold, killed to make hamburgers ..
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The main way of nurturing so made dairy cows suffer from various problems. 5-10% US dairy cows suffered from low calcium levels, or also known as hypocalcaemia. This disease causes digestive problems in cows, reduce the ability to fight disease and fertility. Thereby allowing them produce less milk.
Laura Hernandez, professor of biology research program leader and her team carried out tests on 24 cows and Holstein crosses between breeds Jersey. After treatment with serotonin, the cows began to produce milk with higher calcium levels significantly.
After treatment with serotonin, the cows began to produce milk with higher calcium levels significantly.
At the time before, farmers and scientists have tried using other methods to improve the mood of the cow, including the type of music that they listen to relaxation and even poetry readings. These methods have shown that milk has increased significantly because of reduced stress in cattle. However, the quality of milk has improved little.
Methods used to treat serotonin brings the opposite results. Although it makes the milk is more nutritious than, but not significantly affecting milk yield of cows.
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