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Removal of dairy cows would have minimal effect on ’emissions’, say researchers

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Climate obsessives will have to find something else to try and bother the long-suffering public with.
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The dairy industry in the United States is massive, says AgriMarketing .

It supplies dietary requirements to the vast majority of the population.

This same industry also contributes approximately 1.58 percent of the country’s total greenhouse gas emissions.

A commonly suggested solution to reduce greenhouse gas output has been to reduce or eliminate this industry in favor of plant production.

A team of Virginia Tech researchers wanted to uncover the actual impact that these cows have on the environment.

The researchers found that the removal of dairy cows from the United States agricultural industry would only reduce greenhouse emissions by about 0.7 percent while significantly lowering the available supply of essential nutrients for humans.

“There are environmental impacts associated with the production of food, period. The dairy industry does have an environmental impact, but if you look at it in the context of the entire U.S. enterprise, it’s fairly minimal,” said Robin White, an associate professor in the Department of Animal and Poultry Sciences and a member of the research team.

“Associated with that minimal impact is a very substantial provision of high quality, digestible, and well-balanced nutrients for human consumption.”

White was part of a team that included scientists from the U.S. Dairy Forage Research Center, part of the U.S. Department of Agriculture, and supported Dairy Management Inc. that examined a few different scenarios for dairy cattle in the United States that factored in current management practices, retirement, and depopulation from the United States agricultural industry.

White’s team looked at both the environmental and nutritional impact of three different scenarios.

Greenhouse gas emissions were unchanged in the herd management scenario, in which cattle become an export-only industry and the supply of available nutrients decrease.

In this economically realistic scenario, the industry stays similar to how it is now, but the United States no longer benefits from the human consumable nutrients that dairy cows provide.

The scenario where cows were retired – where cows lived out the remainder of their lives in pastures or free-range – resulted in a 12 percent reduction in agricultural emissions and all 39 nutrients considered declined.

The depopulation scenario – where cows are killed off – resulted in a 7 percent reduction in agricultural emissions. Thirty of 39 nutrients increased for the depopulation scenario, though several essential nutrients declined.

A major factor in all of the scenarios is the use of the land that has to be managed after the removal of the cows.

Full article here.

Source: Virginia Tech news release



Source: https://tallbloke.wordpress.com/2021/01/11/removal-of-dairy-cows-would-have-minimal-effect-on-emissions-say-researchers/


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