Relationship between Reticulorumen Parameters Measured in Real Time and Methane Emission and Heat Stress Risk in Dairy Cows
The objective of this study was to investigate a connection between CH<sub>4</sub> emissions and reticulorumen pH and temperature. During the experiment, we registered the following parameters: reticulorumen pH (pH), reticulorumen temperature (RR temp.), reticulorumen temperature without...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-11-01
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| Series: | Animals |
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| Online Access: | https://www.mdpi.com/2076-2615/12/23/3257 |
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| author | Ramūnas Antanaitis Lina Anskienė Eglė Rapaliutė Ronaldas Bilskis Karina Džermeikaitė Dovilė Bačėninaitė Violeta Juškienė Remigijus Juška Edita Meškinytė |
| author_facet | Ramūnas Antanaitis Lina Anskienė Eglė Rapaliutė Ronaldas Bilskis Karina Džermeikaitė Dovilė Bačėninaitė Violeta Juškienė Remigijus Juška Edita Meškinytė |
| author_sort | Ramūnas Antanaitis |
| collection | DOAJ |
| description | The objective of this study was to investigate a connection between CH<sub>4</sub> emissions and reticulorumen pH and temperature. During the experiment, we registered the following parameters: reticulorumen pH (pH), reticulorumen temperature (RR temp.), reticulorumen temperature without drinking cycles, ambient temperature, ambient relative humidity, cow activity, heat index, temperature–humidity index (THI), and methane emissions (CH<sub>4</sub>). The experimental animals were divided into two groups based on the reticulorumen pH: 1. pH < 6.22 and 2. pH 6.22–6.42. We found that cows assigned to the second pH class had higher (46.18%) average values for methane emissions (<i>p</i> < 0.01). For the other indicators, higher average values were detected in cows of the first pH class, RR temperature (2.80%), relative humidity (20.96%), temperature–humidity index (2.47%) (<i>p</i> < 0.01), and temperature (3.93%) (<i>p</i> < 0.05), which were higher compared to cows of the second pH class. Reticulorumen pH was highly negatively correlated with THI and temperature (r = −0.667 to 0.717, <i>p</i> < 0.001) and somewhat negatively with heat index, relative humidity, and RR temperature (r = −0.536, <i>p</i> < 0.001; r = −0.471 to 0.456, <i>p</i> < 0.01). Cows with a higher risk of heat stress had a higher risk of lower reticulorumen pH. |
| first_indexed | 2024-03-09T17:55:40Z |
| format | Article |
| id | doaj.art-dfa46ee9539b498bb535e4f39423f0fc |
| institution | Directory Open Access Journal |
| issn | 2076-2615 |
| language | English |
| last_indexed | 2024-03-09T17:55:40Z |
| publishDate | 2022-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Animals |
| spelling | doaj.art-dfa46ee9539b498bb535e4f39423f0fc2023-11-24T10:24:07ZengMDPI AGAnimals2076-26152022-11-011223325710.3390/ani12233257Relationship between Reticulorumen Parameters Measured in Real Time and Methane Emission and Heat Stress Risk in Dairy CowsRamūnas Antanaitis0Lina Anskienė1Eglė Rapaliutė2Ronaldas Bilskis3Karina Džermeikaitė4Dovilė Bačėninaitė5Violeta Juškienė6Remigijus Juška7Edita Meškinytė8Large Animal Clinic, Veterinary Academy, Lithuanian University of Health Sciences, Tilžės St. 18, LT-47181 Kaunas, LithuaniaDepartment of Animal Breeding, Veterinary Academy, Lithuanian University of Health Sciences, Tilžės Str. 18, LT-47181 Kaunas, LithuaniaAUGA Group, AB, Konstitucijos pr. 21C, LT-08130 Vilnius, LithuaniaAUGA Group, AB, Konstitucijos pr. 21C, LT-08130 Vilnius, LithuaniaLarge Animal Clinic, Veterinary Academy, Lithuanian University of Health Sciences, Tilžės St. 18, LT-47181 Kaunas, LithuaniaLarge Animal Clinic, Veterinary Academy, Lithuanian University of Health Sciences, Tilžės St. 18, LT-47181 Kaunas, LithuaniaDepartment of Ecology, Animal Science Institute, Lithuanian University of Health Sciences, R. Zebenkos 12, 82317 Baisogala, LithuaniaDepartment of Ecology, Animal Science Institute, Lithuanian University of Health Sciences, R. Zebenkos 12, 82317 Baisogala, LithuaniaAnimal Husbandry Selections, Breeding Values and Dissemination Center, Agriculture Academy, Vytautas Magnus University, Universiteto St. 10A, Akademija, LT-53361 Kaunas, LithuaniaThe objective of this study was to investigate a connection between CH<sub>4</sub> emissions and reticulorumen pH and temperature. During the experiment, we registered the following parameters: reticulorumen pH (pH), reticulorumen temperature (RR temp.), reticulorumen temperature without drinking cycles, ambient temperature, ambient relative humidity, cow activity, heat index, temperature–humidity index (THI), and methane emissions (CH<sub>4</sub>). The experimental animals were divided into two groups based on the reticulorumen pH: 1. pH < 6.22 and 2. pH 6.22–6.42. We found that cows assigned to the second pH class had higher (46.18%) average values for methane emissions (<i>p</i> < 0.01). For the other indicators, higher average values were detected in cows of the first pH class, RR temperature (2.80%), relative humidity (20.96%), temperature–humidity index (2.47%) (<i>p</i> < 0.01), and temperature (3.93%) (<i>p</i> < 0.05), which were higher compared to cows of the second pH class. Reticulorumen pH was highly negatively correlated with THI and temperature (r = −0.667 to 0.717, <i>p</i> < 0.001) and somewhat negatively with heat index, relative humidity, and RR temperature (r = −0.536, <i>p</i> < 0.001; r = −0.471 to 0.456, <i>p</i> < 0.01). Cows with a higher risk of heat stress had a higher risk of lower reticulorumen pH.https://www.mdpi.com/2076-2615/12/23/3257precision farminggreenhouse gas emissionsglobal warming |
| spellingShingle | Ramūnas Antanaitis Lina Anskienė Eglė Rapaliutė Ronaldas Bilskis Karina Džermeikaitė Dovilė Bačėninaitė Violeta Juškienė Remigijus Juška Edita Meškinytė Relationship between Reticulorumen Parameters Measured in Real Time and Methane Emission and Heat Stress Risk in Dairy Cows Animals precision farming greenhouse gas emissions global warming |
| title | Relationship between Reticulorumen Parameters Measured in Real Time and Methane Emission and Heat Stress Risk in Dairy Cows |
| title_full | Relationship between Reticulorumen Parameters Measured in Real Time and Methane Emission and Heat Stress Risk in Dairy Cows |
| title_fullStr | Relationship between Reticulorumen Parameters Measured in Real Time and Methane Emission and Heat Stress Risk in Dairy Cows |
| title_full_unstemmed | Relationship between Reticulorumen Parameters Measured in Real Time and Methane Emission and Heat Stress Risk in Dairy Cows |
| title_short | Relationship between Reticulorumen Parameters Measured in Real Time and Methane Emission and Heat Stress Risk in Dairy Cows |
| title_sort | relationship between reticulorumen parameters measured in real time and methane emission and heat stress risk in dairy cows |
| topic | precision farming greenhouse gas emissions global warming |
| url | https://www.mdpi.com/2076-2615/12/23/3257 |
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