Dynamics of Milk Parameters of Quarter Samples before and after the Dry Period on Czech Farms
This study aimed to monitor milk parameters on three different dairy farms in the Czech Republic to describe their readiness for implementing selective dry cow therapy. Fat, protein, casein, lactose, solids-not-fat content, total solids content, freezing point, titratable acidity, and somatic cell c...
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MDPI AG
2023-02-01
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| Series: | Animals |
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| Online Access: | https://www.mdpi.com/2076-2615/13/4/712 |
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| author | Lucie Kejdova Rysova Jaromir Duchacek Veronika Legarova Matus Gasparik Anna Sebova Sona Hermanova Radim Codl Jan Pytlik Ludek Stadnik Hana Nejeschlebova |
| author_facet | Lucie Kejdova Rysova Jaromir Duchacek Veronika Legarova Matus Gasparik Anna Sebova Sona Hermanova Radim Codl Jan Pytlik Ludek Stadnik Hana Nejeschlebova |
| author_sort | Lucie Kejdova Rysova |
| collection | DOAJ |
| description | This study aimed to monitor milk parameters on three different dairy farms in the Czech Republic to describe their readiness for implementing selective dry cow therapy. Fat, protein, casein, lactose, solids-not-fat content, total solids content, freezing point, titratable acidity, and somatic cell count of quarter milk samples collected from tested Holstein cows were evaluated. Associations between the tested parameters, as well as the effects of parity, farm, day of calving, and time of evaluation at dry-off and after calving, were assessed. Values of the leading milk components dynamically changed between dry-off and after calving, but only protein content was significantly affected. The most important parameter of our research, the somatic cell count of quarter milk samples, was also not affected by the time of evaluation. Even though a slight increase in the mean of somatic cell count is expected before the dry period and after calving, at dry-off, we observed 30%, 42%, and 24% of quarters with somatic cell counts above 200,000 cells per mL, while after calving, we observed 27%, 16%, and 18% of quarters with somatic cell counts above 200,000 cells per mL on Farm 1, Farm 2, and Farm 3, respectively. High somatic cell counts (>200,000 cells per mL) indicate bacterial infection, as confirmed by the significant negative correlation between this parameter and lactose content. In addition, a deficient milk fat-to-protein ratio was observed on two farms, which may indicate metabolic disorders, as well as the occurrence of intramammary infections. Despite the above, we concluded that according to the thresholds of somatic cell counts for selective dry cow therapy taken from foreign studies, a large part of the udder quarters could be dried off without the administration of antibiotics. However, it is necessary to set up more effective mechanisms for mastitis prevention. |
| first_indexed | 2024-03-11T09:15:58Z |
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| issn | 2076-2615 |
| language | English |
| last_indexed | 2024-03-11T09:15:58Z |
| publishDate | 2023-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Animals |
| spelling | doaj.art-60128c9622cf44ab942098d00be9b74e2023-11-16T18:40:29ZengMDPI AGAnimals2076-26152023-02-0113471210.3390/ani13040712Dynamics of Milk Parameters of Quarter Samples before and after the Dry Period on Czech FarmsLucie Kejdova Rysova0Jaromir Duchacek1Veronika Legarova2Matus Gasparik3Anna Sebova4Sona Hermanova5Radim Codl6Jan Pytlik7Ludek Stadnik8Hana Nejeschlebova9Department of Food Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 16500 Prague-Suchdol, Czech RepublicDepartment of Animal Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 16500 Prague-Suchdol, Czech RepublicDepartment of Food Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 16500 Prague-Suchdol, Czech RepublicDepartment of Animal Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 16500 Prague-Suchdol, Czech RepublicDepartment of Food Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 16500 Prague-Suchdol, Czech RepublicDepartment of Food Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 16500 Prague-Suchdol, Czech RepublicDepartment of Animal Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 16500 Prague-Suchdol, Czech RepublicDepartment of Animal Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 16500 Prague-Suchdol, Czech RepublicDepartment of Animal Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 16500 Prague-Suchdol, Czech RepublicDairy Research Institute Ltd., Ke Dvoru 12a, 16000 Prague 6-Vokovice, Czech RepublicThis study aimed to monitor milk parameters on three different dairy farms in the Czech Republic to describe their readiness for implementing selective dry cow therapy. Fat, protein, casein, lactose, solids-not-fat content, total solids content, freezing point, titratable acidity, and somatic cell count of quarter milk samples collected from tested Holstein cows were evaluated. Associations between the tested parameters, as well as the effects of parity, farm, day of calving, and time of evaluation at dry-off and after calving, were assessed. Values of the leading milk components dynamically changed between dry-off and after calving, but only protein content was significantly affected. The most important parameter of our research, the somatic cell count of quarter milk samples, was also not affected by the time of evaluation. Even though a slight increase in the mean of somatic cell count is expected before the dry period and after calving, at dry-off, we observed 30%, 42%, and 24% of quarters with somatic cell counts above 200,000 cells per mL, while after calving, we observed 27%, 16%, and 18% of quarters with somatic cell counts above 200,000 cells per mL on Farm 1, Farm 2, and Farm 3, respectively. High somatic cell counts (>200,000 cells per mL) indicate bacterial infection, as confirmed by the significant negative correlation between this parameter and lactose content. In addition, a deficient milk fat-to-protein ratio was observed on two farms, which may indicate metabolic disorders, as well as the occurrence of intramammary infections. Despite the above, we concluded that according to the thresholds of somatic cell counts for selective dry cow therapy taken from foreign studies, a large part of the udder quarters could be dried off without the administration of antibiotics. However, it is necessary to set up more effective mechanisms for mastitis prevention.https://www.mdpi.com/2076-2615/13/4/712dairy cowdry periodmilkselective dry cow therapysomatic cell count |
| spellingShingle | Lucie Kejdova Rysova Jaromir Duchacek Veronika Legarova Matus Gasparik Anna Sebova Sona Hermanova Radim Codl Jan Pytlik Ludek Stadnik Hana Nejeschlebova Dynamics of Milk Parameters of Quarter Samples before and after the Dry Period on Czech Farms Animals dairy cow dry period milk selective dry cow therapy somatic cell count |
| title | Dynamics of Milk Parameters of Quarter Samples before and after the Dry Period on Czech Farms |
| title_full | Dynamics of Milk Parameters of Quarter Samples before and after the Dry Period on Czech Farms |
| title_fullStr | Dynamics of Milk Parameters of Quarter Samples before and after the Dry Period on Czech Farms |
| title_full_unstemmed | Dynamics of Milk Parameters of Quarter Samples before and after the Dry Period on Czech Farms |
| title_short | Dynamics of Milk Parameters of Quarter Samples before and after the Dry Period on Czech Farms |
| title_sort | dynamics of milk parameters of quarter samples before and after the dry period on czech farms |
| topic | dairy cow dry period milk selective dry cow therapy somatic cell count |
| url | https://www.mdpi.com/2076-2615/13/4/712 |
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