Chinese bilogists are using herbs to help milk cows cope with heat (and increase their milk production):
“hinese biologists have used herbs to help dozens of milk cows in Shanghai to weather a summer heat wave and boost their milk production by 20 percent.
Aromatic herbs were added to the regular feed of 60 Holsteins at a Shanghai-based farm. “The special recipe, which included herbs such as mint, ageratum and fragrant thoroughwort, has proved effective and free from adverse side effects,” said Hua Xiuguo, vice dean of agricultural and biological school of the Shanghai Jiaotong University who led the experiment.
The herbs boost the appetite and immunity to heat-related ailments of the cows, which previously suffered heatstroke and showed symptoms of anemia, high blood pressure and depression in scorching weather, according to Hua. “
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