species: cows

Milk Fat: Seven Mammals, Over 400 Lipid Classes

Milk Fat: Seven Mammals, Over 400 Lipid Classes

Low-fat, reduced-fat, whole-fat—we talk about milk fat as if it were a singular ingredient, when milk fat is actually made up of several thousand different fats. Mammalian milk fat is, in fact, the most complex lipid in nature. A new research field, called lipidomics, allows researchers to quantify this complexity, by identifying and measuring all the thousands of fats at once. Read More...

The Environmental and Nutritional Impact of Removing Dairy Cattle

The Environmental and Nutritional Impact of Removing Dairy Cattle

The United States dairy industry is a major contributor to the US food and nutrient supply. Dairy products are a major source of protein, calcium, and many essential vitamins not just in the US but all over the world. The US dairy industry also accounts for 16 percent of the greenhouse gas emissions from all of US agriculture, and contributes roughly 1.58 percent of the total US greenhouse gas emissions. Read More...

How to Breed Climate-Friendly Dairy Herds

How to Breed Climate-Friendly Dairy Herds

When methane emissions that contribute to global warming are blamed on cows, they should, more precisely, be blamed on the microorganisms that live inside them. It stands to reason, therefore, that in seeking ways to reduce methane emissions from the dairy and beef industries, researchers’ primary target should be cows’ microbiomes. In line with this perspective, a group of researchers with teams in four countries recently carried out a detailed analysis of the microorganisms living in the rumens of different herds and breeds of cattle. These researchers have identified a population of bacteria, protozoa, anaerobic fungi and archaea that consistently form the core population of the rumen microbiome. By linking microbiome components to phenotypes such as methane emissions, they propose the establishment of microbiome-led breeding programs as a means to make livestock farming more climate-friendly. Read More...

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