Design and construction of low-cost respiration chambers for ruminal methane measurements in ruminants

Ruminant animals contribute significantly to methane emissions in tropical regions. Nonetheless, there are few facilities available in those regions of the world for in vivo measurement of methane production in cattle. The aim of the present work was to describe the design, construction and operatio...

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Autores principales:	Jorge Rodolfo Canul Solis, Angel Trinidad Piñeiro Vázquez, Jeyderl Israe Arceo Castillo, José Alayón Alayón Gamboa, Armín Javier Ayala Burgos, Carlos Fernando Aguilar Pérez, Francisco Javier Solorio Sánchez, Octavio Alonso Castelán Ortega, Manuel Lachica López, Patricia Quintana Owen, Juan Carlos Ku Vera
Formato:	article
Lenguaje:	EN ES
Publicado:	Instituto Nacional del Investigaciones Forestales, Agrícolas y Pecuarias 2017
Materias:	methane ruminants tropics greenhouse gases respiration chambers Animal culture SF1-1100 Veterinary medicine SF600-1100
Acceso en línea:	https://doi.org/10.22319/rmcp.v8i2.4442 https://doaj.org/article/f4016670af524271b13b410b30b2e011
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spelling	oai:doaj.org-article:f4016670af524271b13b410b30b2e0112021-11-26T18:05:10ZDesign and construction of low-cost respiration chambers for ruminal methane measurements in ruminantshttps://doi.org/10.22319/rmcp.v8i2.44422007-11242448-6698https://doaj.org/article/f4016670af524271b13b410b30b2e0112017-04-01T00:00:00Zhttps://doaj.org/toc/2007-1124https://doaj.org/toc/2448-6698Ruminant animals contribute significantly to methane emissions in tropical regions. Nonetheless, there are few facilities available in those regions of the world for in vivo measurement of methane production in cattle. The aim of the present work was to describe the design, construction and operation of respiration chambers for in vivo measurement of methane production in cattle in Mexico. Locally available materials were used in the construction. Walls, roof and doors were constructed of thermic panels with two windows of acrylic at the front so the animal can be observed at all times. Chambers have an air volume of 9.97 m3. Air is drawn from the chamber at a rate of 500 L/min by the effect of mass action flow generators. Methane was measured in air samples with an infrared analyzer. Chambers operate under a slight negative pressure of around -500 Pa. Air temperature inside the chambers is kept at 23 °C with an air conditioner, while relative humidity is maintained at 55 % with a dehumidifier. Functioning of the chambers was evaluated in Bos indicus, Nelore cattle fed Taiwan grass (Pennisetum purpureum) and a concentrate (18 % crude protein), and measurements were made during runs of 23 h duration. Methane production was on average 173.2 L per day, while the emission factor was 17.48 L methane per kilogram o dry matter consumed. It concludes that this respiration facility is capable of measuring methane production accurately in cattle fed tropical rations.Jorge Rodolfo Canul SolisAngel Trinidad Piñeiro VázquezJeyderl Israe Arceo CastilloJosé Alayón Alayón GamboaArmín Javier Ayala BurgosCarlos Fernando Aguilar PérezFrancisco Javier Solorio SánchezOctavio Alonso Castelán OrtegaManuel Lachica LópezPatricia Quintana OwenJuan Carlos Ku VeraInstituto Nacional del Investigaciones Forestales, Agrícolas y Pecuariasarticlemethaneruminantstropicsgreenhouse gasesrespiration chambersAnimal cultureSF1-1100Veterinary medicineSF600-1100ENESRevista Mexicana de Ciencias Pecuarias, Vol 8, Iss 2, Pp 185-191 (2017)
institution	DOAJ
collection	DOAJ
language	EN ES
topic	methane ruminants tropics greenhouse gases respiration chambers Animal culture SF1-1100 Veterinary medicine SF600-1100
spellingShingle	methane ruminants tropics greenhouse gases respiration chambers Animal culture SF1-1100 Veterinary medicine SF600-1100 Jorge Rodolfo Canul Solis Angel Trinidad Piñeiro Vázquez Jeyderl Israe Arceo Castillo José Alayón Alayón Gamboa Armín Javier Ayala Burgos Carlos Fernando Aguilar Pérez Francisco Javier Solorio Sánchez Octavio Alonso Castelán Ortega Manuel Lachica López Patricia Quintana Owen Juan Carlos Ku Vera Design and construction of low-cost respiration chambers for ruminal methane measurements in ruminants
description	Ruminant animals contribute significantly to methane emissions in tropical regions. Nonetheless, there are few facilities available in those regions of the world for in vivo measurement of methane production in cattle. The aim of the present work was to describe the design, construction and operation of respiration chambers for in vivo measurement of methane production in cattle in Mexico. Locally available materials were used in the construction. Walls, roof and doors were constructed of thermic panels with two windows of acrylic at the front so the animal can be observed at all times. Chambers have an air volume of 9.97 m3. Air is drawn from the chamber at a rate of 500 L/min by the effect of mass action flow generators. Methane was measured in air samples with an infrared analyzer. Chambers operate under a slight negative pressure of around -500 Pa. Air temperature inside the chambers is kept at 23 °C with an air conditioner, while relative humidity is maintained at 55 % with a dehumidifier. Functioning of the chambers was evaluated in Bos indicus, Nelore cattle fed Taiwan grass (Pennisetum purpureum) and a concentrate (18 % crude protein), and measurements were made during runs of 23 h duration. Methane production was on average 173.2 L per day, while the emission factor was 17.48 L methane per kilogram o dry matter consumed. It concludes that this respiration facility is capable of measuring methane production accurately in cattle fed tropical rations.
format	article
author	Jorge Rodolfo Canul Solis Angel Trinidad Piñeiro Vázquez Jeyderl Israe Arceo Castillo José Alayón Alayón Gamboa Armín Javier Ayala Burgos Carlos Fernando Aguilar Pérez Francisco Javier Solorio Sánchez Octavio Alonso Castelán Ortega Manuel Lachica López Patricia Quintana Owen Juan Carlos Ku Vera
author_facet	Jorge Rodolfo Canul Solis Angel Trinidad Piñeiro Vázquez Jeyderl Israe Arceo Castillo José Alayón Alayón Gamboa Armín Javier Ayala Burgos Carlos Fernando Aguilar Pérez Francisco Javier Solorio Sánchez Octavio Alonso Castelán Ortega Manuel Lachica López Patricia Quintana Owen Juan Carlos Ku Vera
author_sort	Jorge Rodolfo Canul Solis
title	Design and construction of low-cost respiration chambers for ruminal methane measurements in ruminants
title_short	Design and construction of low-cost respiration chambers for ruminal methane measurements in ruminants
title_full	Design and construction of low-cost respiration chambers for ruminal methane measurements in ruminants
title_fullStr	Design and construction of low-cost respiration chambers for ruminal methane measurements in ruminants
title_full_unstemmed	Design and construction of low-cost respiration chambers for ruminal methane measurements in ruminants
title_sort	design and construction of low-cost respiration chambers for ruminal methane measurements in ruminants
publisher	Instituto Nacional del Investigaciones Forestales, Agrícolas y Pecuarias
publishDate	2017
url	https://doi.org/10.22319/rmcp.v8i2.4442 https://doaj.org/article/f4016670af524271b13b410b30b2e011
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Design and construction of low-cost respiration chambers for ruminal methane measurements in ruminants

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