They learn first hand about the health and nutrition of dairy cattle, as well as the science of making butter, cheese, and other dairy products.

他们亲自了解有关奶牛的健康和营养知识，以及制作黄油，奶酪和其他乳制品的技术。

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A new report has claimed that campaigns such as meat Free Monday are based on flawed science, and that reducing consumption of meat and dairy will not have a major impact on combating global warming.

一份新报告声称诸如“周一不吃肉”等活动是基于错误的科学事实，减少肉类和乳制品消费对抗击全球变暖并没有重大影响。

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Bob James, a professor in the dairy science department at Virginia Tech and Heldreth's former teacher, said such births are unusual. "in."

弗吉尼亚州技术学校奶牛科学部的教授詹姆斯表示，这样的“双面”牛很罕见。

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