Milking system and premilking routines have a strong effect on the microbial community in bulk tank milk
In this study, we investigated the variation in the microbial community present in bulk tank milk samples and the potential effect of different farm management factors. Bulk tank milk samples were collected repeat-edly over one year from 42 farms located in northern Sweden. Total and thermoresistant...
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ftslunivuppsala:oai:pub.epsilon.slu.se:31496 2023-08-27T04:11:12+02:00 Milking system and premilking routines have a strong effect on the microbial community in bulk tank milk Sun, Li Lundh, Åse Höjer, Annika Bernes, Gun Nilsson, David Johansson, Monika Hetta, Mårten Gustafsson, Anders H. Hallin Saedén, Karin Dicksved, Johan 2022 application/pdf https://pub.epsilon.slu.se/31496/ https://pub.epsilon.slu.se/31496/1/sun-l-et-al-20230810.pdf en eng eng https://pub.epsilon.slu.se/31496/1/sun-l-et-al-20230810.pdf Sun, Li and Lundh, Åse and Höjer, Annika and Bernes, Gun and Nilsson, David and Johansson, Monika and Hetta, Mårten and Gustafsson, Anders H. and Hallin Saedén, Karin and Dicksved, Johan (2022). Milking system and premilking routines have a strong effect on the microbial community in bulk tank milk. Journal of Dairy Science. 105 :1 , 123-139 [Research article] Animal and Dairy Science Research article NonPeerReviewed info:eu-repo/semantics/article 2022 ftslunivuppsala 2023-08-10T16:13:55Z In this study, we investigated the variation in the microbial community present in bulk tank milk samples and the potential effect of different farm management factors. Bulk tank milk samples were collected repeat-edly over one year from 42 farms located in northern Sweden. Total and thermoresistant bacteria counts and 16S rRNA gene-based amplicon sequencing were used to characterize microbial community composi-tion. The microbial community was in general hetero-geneous both within and between different farms and the community composition in the bulk tank milk was commonly dominated by Pseudomonas, Acinetobacter, Streptococcus, unclassified Peptostreptococcaceae, and Staphylococcus. Principal component analysis including farm factor variables and microbial taxa data revealed that the microbial community in milk was affected by type of milking system. Milk from farms using an au-tomatic (robot) milking system (AMS) and loose hous-ing showed different microbial community composition compared with milk from tiestall farms. A discriminant analysis model revealed that this difference was depen-dent on several microbial taxa. Among farms using an automatic milking system, there were further differ-ences in the microbial community composition depend-ing on the brand of the milking robot used. On tiestall farms, routines for teat preparation and cleaning of the milking equipment affected the microbial community composition in milk. Total bacteria count (TBC) in milk differed between the farm types, and TBC were higher on AMS than tiestall farms (log 4.05 vs. log 3.79 TBC/mL for AMS and tiestalls, respectively). Among tiestall farms, milk from farms using a chemical agent in connection to teat preparation and a more frequent use of acid to clean the milking equipment had lower TBC in milk, than milk from farms using water for teat preparation and a less frequent use of acid to clean the milking equipment (log 3.68 vs. 4.02 TBC/mL). There were no significant differences in the number of thermoresistant bacteria between ... Article in Journal/Newspaper Northern Sweden Swedish University of Agricultural Sciences (SLU): Epsilon Open Archive Dent ENVELOPE(140.050,140.050,-66.649,-66.649) |
institution |
Open Polar |
collection |
Swedish University of Agricultural Sciences (SLU): Epsilon Open Archive |
op_collection_id |
ftslunivuppsala |
language |
English |
topic |
Animal and Dairy Science |
spellingShingle |
Animal and Dairy Science Sun, Li Lundh, Åse Höjer, Annika Bernes, Gun Nilsson, David Johansson, Monika Hetta, Mårten Gustafsson, Anders H. Hallin Saedén, Karin Dicksved, Johan Milking system and premilking routines have a strong effect on the microbial community in bulk tank milk |
topic_facet |
Animal and Dairy Science |
description |
In this study, we investigated the variation in the microbial community present in bulk tank milk samples and the potential effect of different farm management factors. Bulk tank milk samples were collected repeat-edly over one year from 42 farms located in northern Sweden. Total and thermoresistant bacteria counts and 16S rRNA gene-based amplicon sequencing were used to characterize microbial community composi-tion. The microbial community was in general hetero-geneous both within and between different farms and the community composition in the bulk tank milk was commonly dominated by Pseudomonas, Acinetobacter, Streptococcus, unclassified Peptostreptococcaceae, and Staphylococcus. Principal component analysis including farm factor variables and microbial taxa data revealed that the microbial community in milk was affected by type of milking system. Milk from farms using an au-tomatic (robot) milking system (AMS) and loose hous-ing showed different microbial community composition compared with milk from tiestall farms. A discriminant analysis model revealed that this difference was depen-dent on several microbial taxa. Among farms using an automatic milking system, there were further differ-ences in the microbial community composition depend-ing on the brand of the milking robot used. On tiestall farms, routines for teat preparation and cleaning of the milking equipment affected the microbial community composition in milk. Total bacteria count (TBC) in milk differed between the farm types, and TBC were higher on AMS than tiestall farms (log 4.05 vs. log 3.79 TBC/mL for AMS and tiestalls, respectively). Among tiestall farms, milk from farms using a chemical agent in connection to teat preparation and a more frequent use of acid to clean the milking equipment had lower TBC in milk, than milk from farms using water for teat preparation and a less frequent use of acid to clean the milking equipment (log 3.68 vs. 4.02 TBC/mL). There were no significant differences in the number of thermoresistant bacteria between ... |
format |
Article in Journal/Newspaper |
author |
Sun, Li Lundh, Åse Höjer, Annika Bernes, Gun Nilsson, David Johansson, Monika Hetta, Mårten Gustafsson, Anders H. Hallin Saedén, Karin Dicksved, Johan |
author_facet |
Sun, Li Lundh, Åse Höjer, Annika Bernes, Gun Nilsson, David Johansson, Monika Hetta, Mårten Gustafsson, Anders H. Hallin Saedén, Karin Dicksved, Johan |
author_sort |
Sun, Li |
title |
Milking system and premilking routines have a strong effect on the microbial community in bulk tank milk |
title_short |
Milking system and premilking routines have a strong effect on the microbial community in bulk tank milk |
title_full |
Milking system and premilking routines have a strong effect on the microbial community in bulk tank milk |
title_fullStr |
Milking system and premilking routines have a strong effect on the microbial community in bulk tank milk |
title_full_unstemmed |
Milking system and premilking routines have a strong effect on the microbial community in bulk tank milk |
title_sort |
milking system and premilking routines have a strong effect on the microbial community in bulk tank milk |
publishDate |
2022 |
url |
https://pub.epsilon.slu.se/31496/ https://pub.epsilon.slu.se/31496/1/sun-l-et-al-20230810.pdf |
long_lat |
ENVELOPE(140.050,140.050,-66.649,-66.649) |
geographic |
Dent |
geographic_facet |
Dent |
genre |
Northern Sweden |
genre_facet |
Northern Sweden |
op_relation |
https://pub.epsilon.slu.se/31496/1/sun-l-et-al-20230810.pdf Sun, Li and Lundh, Åse and Höjer, Annika and Bernes, Gun and Nilsson, David and Johansson, Monika and Hetta, Mårten and Gustafsson, Anders H. and Hallin Saedén, Karin and Dicksved, Johan (2022). Milking system and premilking routines have a strong effect on the microbial community in bulk tank milk. Journal of Dairy Science. 105 :1 , 123-139 [Research article] |
_version_ |
1775353745879597056 |