Effect of Different Farming Practices on Lactic Acid Bacteria Content in Cow Milk
The natural load of lactic acid bacteria (LAB) in milk is the basis of the production of raw milk cheeses, such as Grana Padano PDO. In the last decades, improvements in livestock hygiene management resulted in bulk cow milk with less than 20,000 colony forming units (CFU) of bacterial count, unable...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2021-02-01
|
| Series: | Animals |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2076-2615/11/2/522 |
| _version_ | 1797396227512336384 |
|---|---|
| author | Luciana Bava Maddalena Zucali Alberto Tamburini Stefano Morandi Milena Brasca |
| author_facet | Luciana Bava Maddalena Zucali Alberto Tamburini Stefano Morandi Milena Brasca |
| author_sort | Luciana Bava |
| collection | DOAJ |
| description | The natural load of lactic acid bacteria (LAB) in milk is the basis of the production of raw milk cheeses, such as Grana Padano PDO. In the last decades, improvements in livestock hygiene management resulted in bulk cow milk with less than 20,000 colony forming units (CFU) of bacterial count, unable to ensure a sufficient supply of LAB, with a negative impact on cheese quality. This study investigated the relations between farm management practices and prevalence of different groups of bacteria in cow milk. Sixty-two intensive dairy farms located in Lombardy (Italy) where involved, most of them destined as milk for the production of Grana Padano. Season had no significant effect on the content of most of the bacterial groups, except for coliforms. A strong relation among standard plate count (SPC) and other bacterial groups was evidenced. Cluster analysis showed that the most productive farms applied a complete milking routine and produced milk with the lowest value of SPC, the lowest count of the other bacteria, including LAB, but the highest LAB/SPC. The study suggests that complexity of farming practices can affect the microbial population of milk. |
| first_indexed | 2024-03-09T00:47:18Z |
| format | Article |
| id | doaj.art-16f188a7da5b4f7896f885c61a2fb0ad |
| institution | Directory Open Access Journal |
| issn | 2076-2615 |
| language | English |
| last_indexed | 2024-03-09T00:47:18Z |
| publishDate | 2021-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Animals |
| spelling | doaj.art-16f188a7da5b4f7896f885c61a2fb0ad2023-12-11T17:23:22ZengMDPI AGAnimals2076-26152021-02-0111252210.3390/ani11020522Effect of Different Farming Practices on Lactic Acid Bacteria Content in Cow MilkLuciana Bava0Maddalena Zucali1Alberto Tamburini2Stefano Morandi3Milena Brasca4Department of Agricultural and Environmental Sciences, University of Milan, via Celoria 2, 20133 Milan, ItalyDepartment of Agricultural and Environmental Sciences, University of Milan, via Celoria 2, 20133 Milan, ItalyDepartment of Agricultural and Environmental Sciences, University of Milan, via Celoria 2, 20133 Milan, ItalyNational Research Council, Institute of Sciences of Food Production, via Celoria 2, 20133 Milan, ItalyNational Research Council, Institute of Sciences of Food Production, via Celoria 2, 20133 Milan, ItalyThe natural load of lactic acid bacteria (LAB) in milk is the basis of the production of raw milk cheeses, such as Grana Padano PDO. In the last decades, improvements in livestock hygiene management resulted in bulk cow milk with less than 20,000 colony forming units (CFU) of bacterial count, unable to ensure a sufficient supply of LAB, with a negative impact on cheese quality. This study investigated the relations between farm management practices and prevalence of different groups of bacteria in cow milk. Sixty-two intensive dairy farms located in Lombardy (Italy) where involved, most of them destined as milk for the production of Grana Padano. Season had no significant effect on the content of most of the bacterial groups, except for coliforms. A strong relation among standard plate count (SPC) and other bacterial groups was evidenced. Cluster analysis showed that the most productive farms applied a complete milking routine and produced milk with the lowest value of SPC, the lowest count of the other bacteria, including LAB, but the highest LAB/SPC. The study suggests that complexity of farming practices can affect the microbial population of milk.https://www.mdpi.com/2076-2615/11/2/522lactic acid bacteriamilkfarming practicesmilk quality |
| spellingShingle | Luciana Bava Maddalena Zucali Alberto Tamburini Stefano Morandi Milena Brasca Effect of Different Farming Practices on Lactic Acid Bacteria Content in Cow Milk Animals lactic acid bacteria milk farming practices milk quality |
| title | Effect of Different Farming Practices on Lactic Acid Bacteria Content in Cow Milk |
| title_full | Effect of Different Farming Practices on Lactic Acid Bacteria Content in Cow Milk |
| title_fullStr | Effect of Different Farming Practices on Lactic Acid Bacteria Content in Cow Milk |
| title_full_unstemmed | Effect of Different Farming Practices on Lactic Acid Bacteria Content in Cow Milk |
| title_short | Effect of Different Farming Practices on Lactic Acid Bacteria Content in Cow Milk |
| title_sort | effect of different farming practices on lactic acid bacteria content in cow milk |
| topic | lactic acid bacteria milk farming practices milk quality |
| url | https://www.mdpi.com/2076-2615/11/2/522 |
| work_keys_str_mv | AT lucianabava effectofdifferentfarmingpracticesonlacticacidbacteriacontentincowmilk AT maddalenazucali effectofdifferentfarmingpracticesonlacticacidbacteriacontentincowmilk AT albertotamburini effectofdifferentfarmingpracticesonlacticacidbacteriacontentincowmilk AT stefanomorandi effectofdifferentfarmingpracticesonlacticacidbacteriacontentincowmilk AT milenabrasca effectofdifferentfarmingpracticesonlacticacidbacteriacontentincowmilk |