This World Plant Milk Day, A Reminder Of Why The Future Must Be Dairy-Free

Dairy is an unsustainable industry that contributes to the climate crisis and causes untold misery


(updated )

8 Minutes Read

A calf with a tagged ear on a dairy farm, being held in a small crate Dairy is a cruel and unsustainable industry - Media Credit: Adobe Stock

Today (Tuesday, August 22) is World Plant Milk Day, an international day created by Robbie Lockie in 2017 that celebrates the many vegan alternatives to dairy milk. 

A decade ago, you’d have probably struggled to find soy milk in the supermarket, but there has been a staggering boom in easily accessible alternatives in recent years.

This can largely be attributed to the rise in veganism. Around 700,000 people signed up for Veganuary this year, up from 623,000 in 2022. As each day passes, more and more people are waking up to the ethical and environmental costs of the food they’d never previously given a second thought to.

For many vegans, there will be one particular moment that comes to mind regarding the catalyst that made them make the transition. It may have been a photo, social media post, film, or conversation. It will have likely caused huge upset and uprooted everything they thought they knew about their food. 

This moment will probably have been about dairy. 

Glorifying dairy

Dairy is arguably one of the most abhorrent industries in which animals are used for food. It is also perhaps the most misunderstood. 

While everyone’s aware that meat comes from dead animals (and even the most carnivorous among us would have a hard time making the moral case for factory farms and slaughterhouses), society tends to see dairy farms through rose-tinted glasses. 

Growing up, many of us read wholesome stories about caring farmers lovingly milking their animals. After all, milk comes from cows naturally, doesn’t it? And aren’t we doing them a favor by relieving them of it?

What we’re told about dairy is a lie. It’s true that cows need to be milked, but only because of what we do to them. Milk, after all, only comes from mothers.

Cruelty in the dairy industry

A young calf drinking milk replacer at a dairy farm
Adobe Stock Mother cows are removed from their newborn calves just days or hours after birth

In the UK, dairy cows are forcibly impregnated via artificial insemination from the age of around 15 months, and their pregnancies last nine months. This means they’ll usually give birth for the first time at the age of two. After their first baby, cows are impregnated again within a matter of weeks. Dairy cows will generally give birth once a year.

A cow’s calf is generally taken from her hours after birth. But mother cows form powerful attachments to their babies, just like humans do. Being separated from their young is hugely traumatic, and they will often cry out and bellow for them for days after they’re gone.

The calves are often kept in small, barren crates on their own for around two months and fed a milk replacer. The female calves will then eventually suffer the same fate as their mothers, while males will either enter the veal market (which is small in the UK) or the beef industry.

Intensive farming

Cows used in the dairy industry have been selectively bred to produce around 4.5 times more milk than they naturally would. This means they often suffer from mastitis, a painful udder inflammation. 

For many people, dairy farming brings up picturesque views of cows in fields. It’s true that UK dairy cows are generally allowed to graze on pasture in spring and summer, but they are stuck indoors for the other six months of the year. When inside, they are often kept in concrete cubicles separated by metal bars. The housing will often be cramped and barren, offering them no chance at all to engage in natural behaviors. 

More intensive styles of dairy farming are also becoming more prevalent in the UK. Around 20 percent of dairy cows are now being housed in “zero-grazing” units, in which they’re kept permanently indoors. These factory farms can house thousands of animals at a time, who will often spend their entire lives in cramped, dark, and filthy conditions. 

Due to the environment in which they’re kept, and the fact they’re forced to stand on hard floors for long periods, cows will often become lame. Lameness also arises because of malnourishment, improper trimming of their hooves, infections, and poor quality of facilities. 

Allegations of abuse

A dairy cow in a field
Adobe Stock A wealth of investigations have uncovered animal abuse on various major farms

Abuse on dairy farms is also rife and well-documented. 

A 2022 Animal Equality investigation into Madox Farm in South Wales, for example, found that workers were kicking and punching cows in the face and stomach and hitting them with metal shovels. Milk from this farm was supplied to Freshways, and distributed to businesses like Costa Coffee, British Airways, Londis, and Budgens. 

In 2018, the same organization filmed baby calves being thrown, slapped, and force-fed at an organic farm in Somerset. Other calves were denied access to water for up to 29 hours on some of the hottest days of the year. This farm was RSPCA Assured and supplied to Waitrose. 

After their bodies tire, dairy cows are considered spent by the industry. Cows can naturally live for around 25 years but they will generally be slaughtered at the age of six in the dairy industry. 

When they arrive at the slaughterhouse, cows are (in theory) rendered unconscious by being stunned with a captive bolt pistol. But this is often done improperly. 

The animals are forced into the stun box, but they often exhibit signs of terror by flailing around and trying to escape. This means it can be difficult for workers to apply the bolt in the right place. Because of this, cows are often alive when they’re strung up and killed by a cut to the throat. 

The environmental cost of dairy milk

Dairy is terrible for the environment, faring worse than plant-based milks in every respect. 

In terms of land use, fresh water use, and greenhouse gas emissions, dairy is by far the most impactful milk on the market. (Even worse than almond milk, which often gets bad press for its water usage.)

Per liter of milk, dairy uses 8.95m2 of land (the second highest, oat milk, uses 0.76m2). A liter of dairy also requires 628.2 liters of freshwater (the second highest, almond milk, requires 371.46 liters). That same liter of dairy also emits 3.15kg of greenhouse gasses (the second highest, rice milk, emits 1.18kg). 

The 13 largest dairy companies emit as many greenhouse gasses as the whole of the UK. Farmed cows are responsible for around a third of human-produced methane emissions, which they emit through their belches. 

Methane is a harmful greenhouse gas. In fact, experts predict it is around 80 times more potent than carbon when released into the atmosphere. It does, however, have a much shorter half-life, persisting for around a decade before degrading into CO2. This means that reducing methane could buy us more time to tackle carbon emissions. 

As Inger Anderson, executive director of the United Nations Environmental Programme (UNEP), said: “Cutting methane is the strongest lever we have to slow climate change over the next 25 years and complements necessary efforts to reduce carbon dioxide.”

A 2021 UN report stated that countries need to make “strong, rapid, and sustained reductions” in methane and that “cutting methane is the single biggest and fastest strategy for slowing down global warming.”

A row of plant-based milk cartons on a supermarket shelf
Adobe Stock Plant-based milks have seen a staggering rise in popularity in recent years

Is dairy consumption rising or declining?

Despite the huge ethical and environmental costs of dairy production, consumption is on the rise. There are 270 million dairy cows in the world, and global demand is growing. 

In 2015, 497 million metric tons of cow’s milk was produced worldwide. That figure rose to 544 million metric tons in 2021

The dairy market was valued at 827.4 billion U.S. dollars in 2020, and has been projected to grow to about 1128 billion U.S. dollars by 2026.

But it’s not all bad news. One study from May of this year found that nearly half of Generation Z feel shame around ordering dairy products, and it was reported in 2021 that one in three Brits drink plant-based milk

Lucy Hopkins-Parkinson, a spokesperson for plant-based milk brand Oatly, told Plant Based News: “The world has been dominated by dairy for centuries, but we’re now waking up to the fact that needs to change. Together with governments, farmers, the food industry and the entire supply chain, we need to work together to support the shift to a more efficient food system that works for us and for our planet.”

The future of dairy

Dairy is a hugely unsustainable industry that subjects millions of animals to a lifetime of misery. But it doesn’t have to be this way. There are now countless plant-based alternatives available, which are becoming just as accessible as dairy. 

Plant-based milk generated global retail value sales of amongst $18 billion dollars in 2021, and the market is predicted to be valued at $42.86 billion by 2029. In addition, a growing number of start-up food tech companies are working on lab grown dairy, which researchers have dubbed the “future of milk.”

Find out how you can sign up to do the seven-day dairy-free challenge on the World Plant Milk Day website.

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