Section 20: Wearables - Revision history

Cvangemert: /* ZELP Sense */

2026-03-16T08:44:15Z

ZELP Sense

← Older revision		Revision as of 08:44, 16 March 2026
Line 14:		Line 14:

	== ZELP Sense ==		== ZELP Sense ==
	[https://www.zelp.co/ ZELP] is a company based in the UK, which has developed a wearable device for cows called [https://www.zelp.co/~~measurement~~/ ZELP Sense]. The device continuously measures methane (CH₄) and carbon dioxide (CO₂) emissions from individual cows, in real-world settings, together with estimated dry matter intake (DMI).		[https://www.zelp.co/ ZELP] is a company based in the UK, which has developed a wearable device for cows called [https://www.zelp.co/zelp-sense/ ZELP Sense]. The device continuously measures methane (CH₄) and carbon dioxide (CO₂) emissions from individual cows, in real-world settings, together with estimated dry matter intake (DMI).

	=== System description ===		=== System description ===
Line 21:		Line 21:
	The device samples ambient and eructed air from close to the cow's nostrils through the nosepiece. These samples are processed by the gas sensing unit, which contains sensors to track ventilation rate and measure gas concentrations. Data from the device is offloaded via a WiFi connection and processed by ZELP's Machine Learning models. The device has local data storage allowing it to be used in areas with intermittent connectivity.		The device samples ambient and eructed air from close to the cow's nostrils through the nosepiece. These samples are processed by the gas sensing unit, which contains sensors to track ventilation rate and measure gas concentrations. Data from the device is offloaded via a WiFi connection and processed by ZELP's Machine Learning models. The device has local data storage allowing it to be used in areas with intermittent connectivity.

	Users receive ~~daily CH₄ and CO₂ emission totals (g/day), hourly~~ CH₄ and CO₂ emissions ~~for every hour of~~ data ~~collected (g/hour),~~ and estimated DMI ~~(kg/day),~~ via ZELP's mobile-optimized web-app. The data can be downloaded for further analysis.		Users receive CH₄ and CO₂ emissions data and estimated DMI via ZELP's mobile-optimized web-app, ZELP Insight. Users can choose, for each project, the data package that suits them best - from daily totals to more frequent readings every 6 hours. The data can be downloaded for further analysis.

	==== Internal chamber trial (2024): ====		==== Internal chamber trial (2024): ====
	Three cows, each fitted with a ZELP Sense device, were tested in respiration chambers over a 3-week period, with two 3-day testing sessions, separated by a one-week break. The daily emission totals provided by ZELP Sense showed an average difference of less than 10% versus those provided by respiration chambers.		Three cows, each fitted with a ZELP Sense device, were tested in respiration chambers over a 3-week period, with two 3-day testing sessions, separated by a one-week break. The daily emission totals provided by ZELP Sense showed an average difference of less than 10% versus those provided by respiration chambers.

	For more details, you can download the latest version of ZELP’s White Paper [https://www.zelp.co/~~measurement~~/ here]. These results have been shared at the British Society for Animal Science Conference 2025, EAAP’s AI4AS Conference 2025, and at the ASGGN & ICAR Feed & Gas Workshop held at the 9th International Greenhouse Gas & Animal Agriculture Conference 2025. The poster presentation is available [[:File:ZELP Sense - Chamber Comparison Poster.pdf\|here]].		For more details, you can download the latest version of ZELP’s White Paper [https://www.zelp.co/zelp-sense/ here]. These results have been shared at the British Society for Animal Science Conference 2025, EAAP’s AI4AS Conference 2025, and at the ASGGN & ICAR Feed & Gas Workshop held at the 9th International Greenhouse Gas & Animal Agriculture Conference 2025. The poster presentation is available [[:File:ZELP Sense - Chamber Comparison Poster.pdf\|here]].

	==== External chamber trials (2025): ====		==== External chamber trials (2025): ====

Cvangemert: Cvangemert moved page Wearables to Section 20: Wearables

2026-02-18T07:45:02Z

Cvangemert moved page Wearables to Section 20: Wearables

← Older revision	Revision as of 07:45, 18 February 2026
(No difference)

Cvangemert: /* SF6 */ introduction added GRA info

2026-02-11T13:24:25Z

SF6: introduction added GRA info

← Older revision		Revision as of 13:24, 11 February 2026
Line 10:		Line 10:

	Many research centres have used the SF6 technique with variations in design of sampling and collection equipment, permeation tubes, and gas analysis (Berndt et al., 2014<ref>Berndt, A., Boland, T.M., Deighton, M.H., Gere, J.I., Grainger, C., Hegarty, R.S., Iwaasa, A.D., Koolaard, J.P., Lassey, K.R., Luo D., Martin, R.J., Martin, C., Moate, P.J., Molano, G., Pinares-Patiño, C., Ribaux, B.E., Swainson, N.M., Waghorn, G.C., and Williams, S.R.O. 2014. Guidelines for use of sulphur hexafluoride (SF6) tracer technique to measure enteric methane emissions from ruminants. Pages 166. M. G. Lambert, ed. New Zealand Agricultural Greenhouse Gas Research Centre, New Zealand. </ref>). Reliable results depend on following standard protocols, with greatest variation coming from accuracy of determining SF6 release rate from permeation tubes and control of sampling rate. With capillary tubes, sampling rate decreases as pressure in the canister increases, whereas an orifice plate gives a steadier sampling rate over 24 hours (Deighton et al., 2014<ref>Deighton, M.H., Williams, S.R.O., Hannah, M.C., Eckard, R.J., Boland, T.M., Wales, W.J., and Moate, P.J. 2014. A modified sulphur hexafluoride tracer technique enables accurate determination of enteric methane emissions from ruminants. Anim. Feed Sci. Technol. 197:47-63.</ref>). A source of error that has not been evaluated is that animals might interact and share CH<sub>4</sub> emissions when the sampling tube of one animal is near the head of another animal. There is good agreement between CH<sub>4</sub> emissions measured by the SF6 technique and respiration chambers, although results from the SF6 technique are more variable (Grainger et al., 2007<ref>Grainger, C., Clarke, T., McGinn, S.M., Auldist, M.J., Beauchemin, K.A., Hannah, M.C., Waghorn, G.C., Clark, H., and Eckard, R J. 2007. Methane emissions from dairy cows measured using the sulfur hexafluoride (SF6) tracer and chamber techniques. J. Dairy Sci. 90:2755-2766.</ref>; Muñoz et al., 2012<ref>Muñoz, C., Yan, T., Wills, D.A., Murray, S., and Gordon, A.W. 2012. Comparison of the sulfur hexafluoride tracer and respiration chamber techniques for estimating methane emissions and correction for rectum methane output from dairy cows. J. Dairy Sci. 95:3139-3148.</ref>).		Many research centres have used the SF6 technique with variations in design of sampling and collection equipment, permeation tubes, and gas analysis (Berndt et al., 2014<ref>Berndt, A., Boland, T.M., Deighton, M.H., Gere, J.I., Grainger, C., Hegarty, R.S., Iwaasa, A.D., Koolaard, J.P., Lassey, K.R., Luo D., Martin, R.J., Martin, C., Moate, P.J., Molano, G., Pinares-Patiño, C., Ribaux, B.E., Swainson, N.M., Waghorn, G.C., and Williams, S.R.O. 2014. Guidelines for use of sulphur hexafluoride (SF6) tracer technique to measure enteric methane emissions from ruminants. Pages 166. M. G. Lambert, ed. New Zealand Agricultural Greenhouse Gas Research Centre, New Zealand. </ref>). Reliable results depend on following standard protocols, with greatest variation coming from accuracy of determining SF6 release rate from permeation tubes and control of sampling rate. With capillary tubes, sampling rate decreases as pressure in the canister increases, whereas an orifice plate gives a steadier sampling rate over 24 hours (Deighton et al., 2014<ref>Deighton, M.H., Williams, S.R.O., Hannah, M.C., Eckard, R.J., Boland, T.M., Wales, W.J., and Moate, P.J. 2014. A modified sulphur hexafluoride tracer technique enables accurate determination of enteric methane emissions from ruminants. Anim. Feed Sci. Technol. 197:47-63.</ref>). A source of error that has not been evaluated is that animals might interact and share CH<sub>4</sub> emissions when the sampling tube of one animal is near the head of another animal. There is good agreement between CH<sub>4</sub> emissions measured by the SF6 technique and respiration chambers, although results from the SF6 technique are more variable (Grainger et al., 2007<ref>Grainger, C., Clarke, T., McGinn, S.M., Auldist, M.J., Beauchemin, K.A., Hannah, M.C., Waghorn, G.C., Clark, H., and Eckard, R J. 2007. Methane emissions from dairy cows measured using the sulfur hexafluoride (SF6) tracer and chamber techniques. J. Dairy Sci. 90:2755-2766.</ref>; Muñoz et al., 2012<ref>Muñoz, C., Yan, T., Wills, D.A., Murray, S., and Gordon, A.W. 2012. Comparison of the sulfur hexafluoride tracer and respiration chamber techniques for estimating methane emissions and correction for rectum methane output from dairy cows. J. Dairy Sci. 95:3139-3148.</ref>).

			The Global Research Alliance (GRA) published new materials from the New Zealand Climate Smart Agriculture Initiative (CSA). This includes guidelines for the SF6 gas tracer technique, you can find those [https://globalresearchalliance.org/wp-content/uploads/2018/02/SF6-Tracer-Technique-Guidelines_April-2014.pdf here].

	== ZELP Sense ==		== ZELP Sense ==

Cvangemert: /* System description */ changed link to updated version

2025-12-22T12:26:45Z

System description: changed link to updated version

← Older revision		Revision as of 12:26, 22 December 2025
Line 24:		Line 24:
	Three cows, each fitted with a ZELP Sense device, were tested in respiration chambers over a 3-week period, with two 3-day testing sessions, separated by a one-week break. The daily emission totals provided by ZELP Sense showed an average difference of less than 10% versus those provided by respiration chambers.		Three cows, each fitted with a ZELP Sense device, were tested in respiration chambers over a 3-week period, with two 3-day testing sessions, separated by a one-week break. The daily emission totals provided by ZELP Sense showed an average difference of less than 10% versus those provided by respiration chambers.

	For more details, you can download the latest version of ZELP’s White Paper [[:~~File:Advancing-Livestock-Emissions-Measurement -ZELP-Sense-White-Paper~~.~~pdf\|~~here]]. These results have been shared at the British Society for Animal Science Conference 2025, EAAP’s AI4AS Conference 2025, and at the ASGGN & ICAR Feed & Gas Workshop held at the 9th International Greenhouse Gas & Animal Agriculture Conference 2025. The poster presentation is available [[:File:ZELP Sense - Chamber Comparison Poster.pdf\|here]].		For more details, you can download the latest version of ZELP’s White Paper [https://www.zelp.co/measurement/ here]. These results have been shared at the British Society for Animal Science Conference 2025, EAAP’s AI4AS Conference 2025, and at the ASGGN & ICAR Feed & Gas Workshop held at the 9th International Greenhouse Gas & Animal Agriculture Conference 2025. The poster presentation is available [[:File:ZELP Sense - Chamber Comparison Poster.pdf\|here]].

	==== External chamber trials (2025): ====		==== External chamber trials (2025): ====

Cvangemert: Hyperlinked the email adres

2025-12-19T07:35:15Z

Hyperlinked the email adres

← Older revision		Revision as of 07:35, 19 December 2025
Line 30:		Line 30:

	=== Commercial availability ===		=== Commercial availability ===
	ZELP Sense is available for pre-order now, with ZELP’s team allocating devices from their upcoming commercial production run on a first-come, first-serve basis. Delivery is expected in the second half of 2026. For more information, and to request a quote, please contact: sense@zelp.co.		ZELP Sense is available for pre-order now, with ZELP’s team allocating devices from their upcoming commercial production run on a first-come, first-serve basis. Delivery is expected in the second half of 2026. For more information, and to request a quote, please contact: [Mailto:sense@zelp.co sense@zelp.co].

Cvangemert: /* Internal chamber trial (2024): */ changes header to fit rest of wiki

2025-12-19T07:16:46Z

Internal chamber trial (2024):: changes header to fit rest of wiki

← Older revision		Revision as of 07:16, 19 December 2025
Line 24:		Line 24:
	Three cows, each fitted with a ZELP Sense device, were tested in respiration chambers over a 3-week period, with two 3-day testing sessions, separated by a one-week break. The daily emission totals provided by ZELP Sense showed an average difference of less than 10% versus those provided by respiration chambers.		Three cows, each fitted with a ZELP Sense device, were tested in respiration chambers over a 3-week period, with two 3-day testing sessions, separated by a one-week break. The daily emission totals provided by ZELP Sense showed an average difference of less than 10% versus those provided by respiration chambers.

	For more details, ZELP’s White Paper ~~is available to download~~ [[:File:Advancing-Livestock-Emissions-Measurement -ZELP-Sense-White-Paper.pdf\|here]]. These results have been shared at the British Society for Animal Science Conference 2025, EAAP’s AI4AS Conference 2025, and at the ASGGN & ICAR Feed & Gas Workshop held at the 9th International Greenhouse Gas & Animal Agriculture Conference 2025. The poster presentation is available [[:File:ZELP Sense - Chamber Comparison Poster.pdf\|here]].		For more details, you can download the latest version of ZELP’s White Paper [[:File:Advancing-Livestock-Emissions-Measurement -ZELP-Sense-White-Paper.pdf\|here]]. These results have been shared at the British Society for Animal Science Conference 2025, EAAP’s AI4AS Conference 2025, and at the ASGGN & ICAR Feed & Gas Workshop held at the 9th International Greenhouse Gas & Animal Agriculture Conference 2025. The poster presentation is available [[:File:ZELP Sense - Chamber Comparison Poster.pdf\|here]].

	==== External chamber trials (2025): ====		==== External chamber trials (2025): ====

Cvangemert: ZELP sense small adjustments

2025-12-19T07:07:57Z

ZELP sense small adjustments

← Older revision		Revision as of 07:07, 19 December 2025
Line 21:		Line 21:
	Users receive daily CH₄ and CO₂ emission totals (g/day), hourly CH₄ and CO₂ emissions for every hour of data collected (g/hour), and estimated DMI (kg/day), via ZELP's mobile-optimized web-app. The data can be downloaded for further analysis.		Users receive daily CH₄ and CO₂ emission totals (g/day), hourly CH₄ and CO₂ emissions for every hour of data collected (g/hour), and estimated DMI (kg/day), via ZELP's mobile-optimized web-app. The data can be downloaded for further analysis.

	==== Internal ~~Chamber Trial~~ (2024): ====		==== Internal chamber trial (2024): ====
	Three cows, each fitted with a ZELP Sense device, were tested in respiration chambers over a 3-week period, with two 3-day testing sessions, separated by a one-week break. The daily emission totals provided by ZELP Sense showed an average difference of less than 10% versus those provided by respiration chambers.		Three cows, each fitted with a ZELP Sense device, were tested in respiration chambers over a 3-week period, with two 3-day testing sessions, separated by a one-week break. The daily emission totals provided by ZELP Sense showed an average difference of less than 10% versus those provided by respiration chambers.

	For more details, ZELP’s White Paper is available to download [[:File:Advancing-Livestock-Emissions-Measurement -ZELP-Sense-White-Paper.pdf\|here]]. These results have been shared at the British Society for Animal Science Conference 2025, EAAP’s AI4AS Conference 2025, and at the ASGGN & ICAR Feed & Gas Workshop held at the 9th International Greenhouse Gas & Animal Agriculture Conference 2025. The poster presentation is available [[:File:ZELP Sense - Chamber Comparison Poster.pdf\|here]].		For more details, ZELP’s White Paper is available to download [[:File:Advancing-Livestock-Emissions-Measurement -ZELP-Sense-White-Paper.pdf\|here]]. These results have been shared at the British Society for Animal Science Conference 2025, EAAP’s AI4AS Conference 2025, and at the ASGGN & ICAR Feed & Gas Workshop held at the 9th International Greenhouse Gas & Animal Agriculture Conference 2025. The poster presentation is available [[:File:ZELP Sense - Chamber Comparison Poster.pdf\|here]].

	==== External ~~Chamber Trials~~ (2025): ====		==== External chamber trials (2025): ====
	Multiple third-party trials of ZELP Sense have now been completed at different research institutions and universities. The trials focused on comparing the methane and carbon dioxide measurements provided by ZELP Sense with those from respiration chambers. Analysis is underway and results are expected to be published in early 2026.		Multiple third-party trials of ZELP Sense have now been completed at different research institutions and universities. The trials focused on comparing the methane and carbon dioxide measurements provided by ZELP Sense with those from respiration chambers. Analysis is underway and results are expected to be published in early 2026.

	=== Commercial ~~Availability~~ ===		=== Commercial availability ===
	ZELP Sense is available for pre-order now, with ZELP’s team allocating devices from their upcoming commercial production run on a first-come, first-serve basis. Delivery is expected in the second half of 2026. For more information, and to request a quote, please contact: sense@zelp.co.		ZELP Sense is available for pre-order now, with ZELP’s team allocating devices from their upcoming commercial production run on a first-come, first-serve basis. Delivery is expected in the second half of 2026. For more information, and to request a quote, please contact: sense@zelp.co.

Cvangemert: ZELP sense small adjustments

2025-12-19T07:06:09Z

ZELP sense small adjustments

← Older revision		Revision as of 07:06, 19 December 2025
Line 11:		Line 11:
	Many research centres have used the SF6 technique with variations in design of sampling and collection equipment, permeation tubes, and gas analysis (Berndt et al., 2014<ref>Berndt, A., Boland, T.M., Deighton, M.H., Gere, J.I., Grainger, C., Hegarty, R.S., Iwaasa, A.D., Koolaard, J.P., Lassey, K.R., Luo D., Martin, R.J., Martin, C., Moate, P.J., Molano, G., Pinares-Patiño, C., Ribaux, B.E., Swainson, N.M., Waghorn, G.C., and Williams, S.R.O. 2014. Guidelines for use of sulphur hexafluoride (SF6) tracer technique to measure enteric methane emissions from ruminants. Pages 166. M. G. Lambert, ed. New Zealand Agricultural Greenhouse Gas Research Centre, New Zealand. </ref>). Reliable results depend on following standard protocols, with greatest variation coming from accuracy of determining SF6 release rate from permeation tubes and control of sampling rate. With capillary tubes, sampling rate decreases as pressure in the canister increases, whereas an orifice plate gives a steadier sampling rate over 24 hours (Deighton et al., 2014<ref>Deighton, M.H., Williams, S.R.O., Hannah, M.C., Eckard, R.J., Boland, T.M., Wales, W.J., and Moate, P.J. 2014. A modified sulphur hexafluoride tracer technique enables accurate determination of enteric methane emissions from ruminants. Anim. Feed Sci. Technol. 197:47-63.</ref>). A source of error that has not been evaluated is that animals might interact and share CH<sub>4</sub> emissions when the sampling tube of one animal is near the head of another animal. There is good agreement between CH<sub>4</sub> emissions measured by the SF6 technique and respiration chambers, although results from the SF6 technique are more variable (Grainger et al., 2007<ref>Grainger, C., Clarke, T., McGinn, S.M., Auldist, M.J., Beauchemin, K.A., Hannah, M.C., Waghorn, G.C., Clark, H., and Eckard, R J. 2007. Methane emissions from dairy cows measured using the sulfur hexafluoride (SF6) tracer and chamber techniques. J. Dairy Sci. 90:2755-2766.</ref>; Muñoz et al., 2012<ref>Muñoz, C., Yan, T., Wills, D.A., Murray, S., and Gordon, A.W. 2012. Comparison of the sulfur hexafluoride tracer and respiration chamber techniques for estimating methane emissions and correction for rectum methane output from dairy cows. J. Dairy Sci. 95:3139-3148.</ref>).		Many research centres have used the SF6 technique with variations in design of sampling and collection equipment, permeation tubes, and gas analysis (Berndt et al., 2014<ref>Berndt, A., Boland, T.M., Deighton, M.H., Gere, J.I., Grainger, C., Hegarty, R.S., Iwaasa, A.D., Koolaard, J.P., Lassey, K.R., Luo D., Martin, R.J., Martin, C., Moate, P.J., Molano, G., Pinares-Patiño, C., Ribaux, B.E., Swainson, N.M., Waghorn, G.C., and Williams, S.R.O. 2014. Guidelines for use of sulphur hexafluoride (SF6) tracer technique to measure enteric methane emissions from ruminants. Pages 166. M. G. Lambert, ed. New Zealand Agricultural Greenhouse Gas Research Centre, New Zealand. </ref>). Reliable results depend on following standard protocols, with greatest variation coming from accuracy of determining SF6 release rate from permeation tubes and control of sampling rate. With capillary tubes, sampling rate decreases as pressure in the canister increases, whereas an orifice plate gives a steadier sampling rate over 24 hours (Deighton et al., 2014<ref>Deighton, M.H., Williams, S.R.O., Hannah, M.C., Eckard, R.J., Boland, T.M., Wales, W.J., and Moate, P.J. 2014. A modified sulphur hexafluoride tracer technique enables accurate determination of enteric methane emissions from ruminants. Anim. Feed Sci. Technol. 197:47-63.</ref>). A source of error that has not been evaluated is that animals might interact and share CH<sub>4</sub> emissions when the sampling tube of one animal is near the head of another animal. There is good agreement between CH<sub>4</sub> emissions measured by the SF6 technique and respiration chambers, although results from the SF6 technique are more variable (Grainger et al., 2007<ref>Grainger, C., Clarke, T., McGinn, S.M., Auldist, M.J., Beauchemin, K.A., Hannah, M.C., Waghorn, G.C., Clark, H., and Eckard, R J. 2007. Methane emissions from dairy cows measured using the sulfur hexafluoride (SF6) tracer and chamber techniques. J. Dairy Sci. 90:2755-2766.</ref>; Muñoz et al., 2012<ref>Muñoz, C., Yan, T., Wills, D.A., Murray, S., and Gordon, A.W. 2012. Comparison of the sulfur hexafluoride tracer and respiration chamber techniques for estimating methane emissions and correction for rectum methane output from dairy cows. J. Dairy Sci. 95:3139-3148.</ref>).

	== ZELP ~~sense~~ ==		== ZELP Sense ==
	[https://www.zelp.co/ ZELP] is a company based in the UK, ~~they~~ developed a wearable for cows called [https://www.zelp.co/measurement/ ZELP ~~sense~~]. ~~This is a wearable~~ device ~~that that~~ continuously measures methane (CH₄) and carbon dioxide (CO₂) emissions from individual cows, in real-world settings, together with estimated dry matter intake (DMI).		[https://www.zelp.co/ ZELP] is a company based in the UK, which has developed a wearable device for cows called [https://www.zelp.co/measurement/ ZELP Sense]. The device continuously measures methane (CH₄) and carbon dioxide (CO₂) emissions from individual cows, in real-world settings, together with estimated dry matter intake (DMI).

	=== System description ===		=== System description ===

Cvangemert: /* ZELP sense */

2025-12-10T07:22:48Z

ZELP sense

← Older revision		Revision as of 07:22, 10 December 2025
Line 12:		Line 12:

	== ZELP sense ==		== ZELP sense ==
	[https://www.zelp.co/ ZELP] is a company based in the UK, they developed a wearable for cows called [https://www.zelp.co/measurement/ ZELP sense]. This is a wearable device that ~~regularly samples the~~ cows ~~breath~~ and ~~analyses~~ the the gas ~~levels~~ to ~~calculate~~ the ~~total CH<sub>4</sub>~~ and ~~CO<sub>2</sub> emissions~~. The ~~emission data is~~ processed by ~~machine learning models including~~ the ~~measurements~~ from the ~~flow sensor~~ and ~~environmental sensors~~, ~~measuring humidity~~, ~~temperature~~ and ~~pressure~~. ~~More details about the development process~~ can be ~~found~~ in ~~their~~ [[:File:Advancing-Livestock-Emissions-Measurement -ZELP-Sense-White-Paper.pdf\|~~white paper~~]].		[https://www.zelp.co/ ZELP] is a company based in the UK, they developed a wearable for cows called [https://www.zelp.co/measurement/ ZELP sense]. This is a wearable device that that continuously measures methane (CH₄) and carbon dioxide (CO₂) emissions from individual cows, in real-world settings, together with estimated dry matter intake (DMI).

			=== System description ===
			ZELP Sense consists of three key parts: a headpiece, nosepiece, and gas sensing unit. The headpiece, made from ventilated neoprene, correctly positions the nosepiece without restricting the cow's natural movements or behaviours. The gas sensing unit sits below the cow's neck. The full device is lightweight and quick and easy to fit to the animal. The headpiece and nosepiece come in multiple sizes to ensure an optimal fit for a wide range of cows.

			The device samples ambient and eructed air from close to the cow's nostrils through the nosepiece. These samples are processed by the gas sensing unit, which contains sensors to track ventilation rate and measure gas concentrations. Data from the device is offloaded via a WiFi connection and processed by ZELP's Machine Learning models. The device has local data storage allowing it to be used in areas with intermittent connectivity.

			Users receive daily CH₄ and CO₂ emission totals (g/day), hourly CH₄ and CO₂ emissions for every hour of data collected (g/hour), and estimated DMI (kg/day), via ZELP's mobile-optimized web-app. The data can be downloaded for further analysis.

			==== Internal Chamber Trial (2024): ====
			Three cows, each fitted with a ZELP Sense device, were tested in respiration chambers over a 3-week period, with two 3-day testing sessions, separated by a one-week break. The daily emission totals provided by ZELP Sense showed an average difference of less than 10% versus those provided by respiration chambers.

			For more details, ZELP’s White Paper is available to download [[:File:Advancing-Livestock-Emissions-Measurement -ZELP-Sense-White-Paper.pdf\|here]]. These results have been shared at the British Society for Animal Science Conference 2025, EAAP’s AI4AS Conference 2025, and at the ASGGN & ICAR Feed & Gas Workshop held at the 9th International Greenhouse Gas & Animal Agriculture Conference 2025. The poster presentation is available [[:File:ZELP Sense - Chamber Comparison Poster.pdf\|here]].

			==== External Chamber Trials (2025): ====
			Multiple third-party trials of ZELP Sense have now been completed at different research institutions and universities. The trials focused on comparing the methane and carbon dioxide measurements provided by ZELP Sense with those from respiration chambers. Analysis is underway and results are expected to be published in early 2026.

			=== Commercial Availability ===
			ZELP Sense is available for pre-order now, with ZELP’s team allocating devices from their upcoming commercial production run on a first-come, first-serve basis. Delivery is expected in the second half of 2026. For more information, and to request a quote, please contact: sense@zelp.co.

Cvangemert: Added short ZELP summary from white paper

2025-10-22T06:22:32Z

Added short ZELP summary from white paper

← Older revision		Revision as of 06:22, 22 October 2025
Line 12:		Line 12:

	== ZELP sense ==		== ZELP sense ==
			[https://www.zelp.co/ ZELP] is a company based in the UK, they developed a wearable for cows called [https://www.zelp.co/measurement/ ZELP sense]. This is a wearable device that regularly samples the cows breath and analyses the the gas levels to calculate the total CH<sub>4</sub> and CO<sub>2</sub> emissions. The emission data is processed by machine learning models including the measurements from the flow sensor and environmental sensors, measuring humidity, temperature and pressure. More details about the development process can be found in their [[:File:Advancing-Livestock-Emissions-Measurement -ZELP-Sense-White-Paper.pdf\|white paper]].