Frequently Asked Questions


We have developed a technology to oxidize the methane present in cattle exhalations, as up to 95% of methane emissions come from the mouth and nostrils of the animal. Zelp technology measures, captures and oxidizes methane in real-time, with the capacity to target vast quantities of methane.

The cattle wearable attaches to regular halters in a non-intrusive way and, as well as converting methane, it has the added capacity to improve animal welfare by capturing, analyzing and processing large amounts of data on each animal.

The novel aspect of this technology lies in the process we have developed for oxidizing the highly diluted methane exhaled by cattle. This process incorporates novel catalytic technology that has been successfully tested in laboratories with proven catalytic efficiency under conditions that replicate those on the cow. This technology has also been tested through numerous behavioural trials which evaluate the impact of the wearable on animal behavior as well as production yields, rumination, rest and activity periods and feed intake.

We are currently trialing our beta product with live animals in order to improve the technology further and gather key data to help the planet and improve animal welfare on farm.

No. You will be enjoying the same beef and dairy products, but with a greatly reduced impact on our planet.

You will not need special assistance to install the wearable. All you need to do is fit the halter on the animal in the same way that you would do with a normal halter or collar. The installation takes seconds and the animals adapt within 5 minutes.

We recommend to use it on cattle from 6-8 months onwards, or following weaning, from which time the animal is going to be able to reap the highest benefits of the device. It is adjustable and can fit onto different head sizes in order to make every animal comfortable. Installing and adjusting the halter is as easy as using a zip-tie.

It is designed to work uninterruptedly for around five years, without needing to be charged. The wearable is packed with a solar cell and a thermo-electric generator to allow the wearable to re-charge automatically.

At Zelp we are aiming to recycle the majority of components and parts in each device. The collection of used wearables is a task that will be managed by the company. This is to ensure the correct processes are in place for responsible management of any of the materials which cannot be re-used.


Zelp’s vision is of a world where livestock is no longer a significant contributor to global warming.

Most worldwide experts believe that global warming represents the largest threat facing humanity. Evidence suggests that the agricultural sector is responsible for 22% of total global emissions. Methane gas exhaled by 1.6 billion cattle is the most significant source of greenhouse gases within the sector, amounting to almost 10% of total anthropogenic emissions. The large amounts of methane gas originate from the bovine digestive system which due to methane’s capacity to retain heat in the atmosphere is significantly more damaging to our environment than carbon dioxide emissions.

Livestock methane emissions contribute more to global warming than all of the cars in the world combined and, according to the UN, the consumption of beef and dairy products is set to almost double by 2050.

At Zelp, we believe global warming above two degrees Celsius is inevitable if these emissions are not dealt with. The widespread adoption of this technology can have a dramatic and immediate positive impact on the climate crisis.

We aim to be the leader in methane mitigation technology and are putting every effort into becoming instrumental in the fight against global warming. We aim to enable consumers to choose reduced emission livestock products, heightening awareness of the problem and greatly reducing the impact of livestock farming on our planet.

About 95% of the methane is expelled through the mouth and nostrils of cattle, via exhalations and belching. Remember – it’s not the farts, it’s the burps!

No, methane is 85 times worse. Although carbon dioxide is the most famous greenhouse gas, methane traps a lot more heat in our atmosphere, warming our planet significantly more than carbon dioxide.

Scientists and governments have repeatedly called for consumers to cut back on red meat consumption for environmental reasons. This is certainly a very impactful solution. Realistically, however, beef and dairy consumption is expected to rise by 70% in the next 30 years (Food and Agriculture Organization, UN), as some societies access animal protein for the first time, solutions at a worldwide scale need to be deployed as quickly as possible.

For alternative proteins, such as plant-based or cultured, a massive change in consumer behaviour is needed, and barriers of adoption remain high. We understand that global warming above two degrees Celsius can occur before these alternatives become widely adopted and replace animal protein in scale and reach.

We see Zelp as a strong complement to the development of alternative proteins. Ensuring Climate Action is implemented in time, to meet humanity’s climate change goals, is a priority that requires multiple collaborative efforts. With the sharp rise in demand for beef and dairy predicted by the UN we believe a scenario where traditional livestock products and alternative proteins can co-exist for decades is highly predictable. We are doing our part to ensure greenhouse gas emission targets are met within the industry until regulatory, cultural and market dynamics dictate the future of protein consumption.

While some solutions in this field come from feed additives, they chemically inhibit methane production in the stomach of the animal and alter its digestive process. Zelp technology targets methane once it has been exhaled which allows the animal to digest normally as it does not interfere with the micro-biology in the animals’ stomach. Also the ZELP wearable has a higher methane reduction potential and it can be implemented in grazing cattle (not possible to manage feed on freegrazing animals).


As well as caring about the environment, animal welfare is at the heart of Zelp. Our two founders come from a legacy of Argentinian cattle breeders and they grew up on the family farm in the province of Buenos Aires.

The Zelp technology has been developed with animal welfare in mind and is designed to go above and beyond the five freedoms of animal welfare. Our smart wearable targets methane once it has been exhaled by cattle, which allows the animal to digest normally without interfering with the microbiology in its stomach. From a data perspective, our breath and methane sensing capabilities make us unique. Through this monitoring, we can minimize the spread and onset of disease, and tap into a brand new layer of analyses in the fields of digestion, feed optimization, and disease management.

Behavioural trials conducted with leading academic institutions in the UK and Argentina have demonstrated no change in animal behaviour, no impact on animal feeding, yields or rumination patterns – one of the most sensitive indicators of stress by the animal.

Zelp experts are currently working to replicate the trials across breeds and geographies and continue to develop their real-time exhalation monitoring to signal oestrus, disease, and heat-stress. On top of reducing operational costs for farmers, these features prompt the early treatment of these events – resulting in an improvement of animal welfare. The ability of Zelp to monitor animals for health in addition to methane conversion places farmers and their animals at the forefront of the technology.

Our device is fine-tuned into the needs of every individual animal, ensuring through 24/7 monitoring they are maintained at the best of welfare standards. The device monitors subtle behavioural changes ensuring disease can be identified and prevented early. We know exactly how the animals are feeling through the data we collect allowing us to act quickly if anything changes.

Zelp offers several benefits for farmers including increased margins through the sale of certified reduced emissions livestock products at a premium price, reduced costs through improved feed management and increased conversion efficiencies, as well as increased welfare through health data tracking.


Initially we will be launching the Zelp platform in the United States and Europe. Keep up to date with timings on its official launch by subscribing to our newsletter.

Zelp will be operating a subscription-based model to allow producers to gain access to our technology and certification platform. The sale of certified low-emissions produce at a premium will allow producers to recover the cost and generate increased margins in both beef & dairy operations.

There is a global demand for climate-smart beef and dairy products. As soon as the Zelp technology is adopted by farmers in the United States and Europe, processors, food companies and retailers will be able to offer climate-smart beef and dairy products.