Survey of somatic cell counts and milk composition in bulk milk of ewes in dairy practice

10.5219/1325 ◽  
2021 ◽  
Vol 15 ◽  
pp. 151-155
Author(s):  
Martina Vršková ◽  
Vladimír Tančin ◽  
Michal Uhrinčať ◽  
Lucia Mačuhová ◽  
Kristína Tvarožková
Keyword(s):  
Somatic Cell ◽  
Somatic Cell Count ◽  
Dairy Farms ◽  
Milk Composition ◽  
Fat Content ◽  
Somatic Cell Counts ◽  
Cell Counts ◽  
Bulk Milk ◽  
Synthetic Population ◽  
On Farm

We evaluated milk quality during the sheep dairy period in the year 2018. The study was performed at fifteen dairy farms with differed breeds and crossbreds under Slovakian usual practical conditions (milking and pasture). At the first and seventh farm purebred Tsigai (TS) ewes were kept, at the eight to twelve farm there were purebred Lacaune ewes (LC) and the thirteen farm were kept crossbred Improved Valachian x Lacaune ewes (IV/LC, with a higher proportion of Improved Valachian), the fourteen farm crossbred Lacaune x East Friesian ewes and the last farm were ewes of the synthetic population of Slovak dairy ewe (SD). The milk yield recording and milk sampling were performed once a month during evening milking as a part of milk recording services. The basic milk composition was determined by MilkoScan FT120 (Foss, Hillerød, Denmark) and somatic cell count was determined using a Fossomatic 90 (Foss Electric, Hillerød, Denmark) after heat treatment at 40 °C for 15 min. We found the highest incidence of SCC on farm 14 with crossbred LC/EF 3.940 x 103 cells.mL-1. Followed by farms 12 and 9 with purebred LC (SCC value of 3.318 and 2.489 x 103 cells.mL-1). Farm 7 with purebred TS reached the lowest value (831 x 103 cells.mL-1). The highest fat content was reached by the purebred TS, with gradual growth from March to July. Crossbreds and the synthetic population of Slovak dairy ewe (SD) had the lowest average fat content, which could be affected by feeding. Similar tendencies were found in protein content.

scholarly journals Ontario Bulk Milk Somatic Cell Count Reduction Program. 2. Dynamics of Bulk Milk Somatic Cell Counts

1992 ◽  
Vol 75 (12) ◽  
pp. 3359-3366 ◽  
Author(s):  
Ynte H. Schukken ◽  
K.E. Leslie ◽  
A.J. Weersink ◽  
S.W. Martin
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Somatic Cell Count ◽  
Somatic Cell Counts ◽  
Cell Counts ◽  
Bulk Milk ◽  
Reduction Program

Farm Inspection Scores and Milk Quality Criteria as Indices of Salmonella in Bulk Milk

1988 ◽  
Vol 51 (12) ◽  
pp. 958-962 ◽  
Author(s):  
SCOTT A. McEWEN ◽  
LAWRENCE H. McCLURE ◽  
S. WAYNE MARTIN
Keyword(s):  
Somatic Cell ◽  
Quality Criteria ◽  
High Standard ◽  
Dairy Farms ◽  
Somatic Cell Counts ◽  
Cell Counts ◽  
Bulk Milk ◽  
Standard Plate ◽  
Plate Counts ◽  
And Control

The scores from routine dairy farm inspections, bulk milk standard plate bacteria counts, and somatic cell counts from dairy farms with Salmonella-positive milk filters (cases) were compared with those from dairy farms with Salmonella-negative milk filters (controls). Case and control farms showed no significant differences in their inspection scores based on general surroundings of the farm, milking area and cleanliness of milking cows, but differed in the higher mean score for milk houses of case farms. Additionally, there were no differences in the standard plate counts or somatic cell counts between case and control farms. Based on the results of this study, there is no evidence that poor dairy inspection scores, high standard plate counts or high somatic cell counts are useful indicators of the presence of Salmonella in bulk milk supplies from dairy farms.

SOME OBSERVATIONS OF MILKING EQUIPMENT STATUS AND MILKING PROCEDURE ON DAIRY FARMS EXPERIENCING HIGH SOMATIC CELL COUNT LEVELS1

1972 ◽  
Vol 35 (11) ◽  
pp. 661-663 ◽  
Author(s):  
W. C. Lawton ◽  
V. S. Packard
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Somatic Cell Count ◽  
Control Program ◽  
Dairy Farms ◽  
Acceptance Criteria ◽  
High Compliance ◽  
Somatic Cell Counts ◽  
Cell Counts

During an evaluation of the Abnormal Milk Control Program (1), 162 milking-time farm calls were made specifically to evaluate milking equipment installation and operation and milking practices on farms experiencing high somatic cell counts. A summary of these findings is presented herein. Using generally recognized guidelines as acceptance criteria for both equipment factors and milking practices, the percentage of satisfactory compliance was: for operating vacuum, 34.0%; stall size (stanchion barns), 37.3%; use of strip cup, 11.1%; use of individual towels for udder wash, 12.3%; temperature of udder wash at completion of milking, 14.8%; and use of teat dip, 19.1%. Relatively high compliance was noted for: vacuum controller location, 64.8%; pulsator speed, 72.2%; presence of sanitizer in udder wash, 87.0%; and equipment sanitization before milking, 60.5%. About 47% of the dairymen held milking-time-per-cow to 5 1/2 min or less.

Association between herd exposure to BVDV-infection and bulk milk somatic cell count of Flemish dairy farms

2013 ◽  
Vol 109 (1-2) ◽  
pp. 148-151 ◽  
Author(s):  
Jozef Laureyns ◽  
Sofie Piepers ◽  
Stefaan Ribbens ◽  
Steven Sarrazin ◽  
Sarne De Vliegher ◽  
...  
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Somatic Cell Count ◽  
Dairy Farms ◽  
Bulk Milk

Effects of season, milking routine and cow cleanliness on bacterial and somatic cell counts of bulk tank milk

2011 ◽  
Vol 78 (4) ◽  
pp. 436-441 ◽  
Author(s):  
Maddalena Zucali ◽  
Luciana Bava ◽  
Alberto Tamburini ◽  
Milena Brasca ◽  
Laura Vanoni ◽  
...  
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Somatic Cell Count ◽  
Bacterial Count ◽  
Cold Season ◽  
Plate Count ◽  
Bulk Tank Milk ◽  
Somatic Cell Counts ◽  
Cell Counts ◽  
Bulk Tank

The aim of the study was to investigate the effects of season, cow cleanliness and milking routine on bacterial and somatic cell counts of bulk tank milk. A total of 22 dairy farms in Lombardy (Italy) were visited three times in a year in different seasons. During each visit, samples of bulk tank milk were taken for bacterial and somatic cell counts; swabs from the teat surface of a group of cows were collected after teat cleaning and before milking. Cow cleanliness was assessed by scoring udder, flanks and legs of all milking cows using a 4-point scale system. Season affected cow cleanliness with a significantly higher percentage of non-clean (NC) cows during Cold compared with Mild season. Standard plate count (SPC), laboratory pasteurization count (LPC), coliform count (CC) and somatic cell count, expressed as linear score (LS), in milk significantly increased in Hot compared with Cold season. Coagulase-positive staphylococci on teat swabs showed higher counts in Cold season in comparison with the other ones. The effect of cow cleanliness was significant for SPC, psychrotrophic bacterial count (PBC), CC and Escherichia coli in bulk tank milk. Somatic cell count showed a relationship with udder hygiene score. Milking operation routine strongly affected bacterial counts and LS of bulk tank milk: farms that accomplished a comprehensive milking scheme including two or more operations among forestripping, pre-dipping and post-dipping had lower teat contamination and lower milk SPC, PBC, LPC, CC and LS than farms that did not carry out any operation.

scholarly journals Prediction of total quarter milk somatic cell counts based on foremilk sampling

2009 ◽  
Vol 76 (3) ◽  
pp. 326-330 ◽  
Author(s):  
Olga Wellnitz ◽  
Marcus G Doherr ◽  
Marta Woloszyn ◽  
Rupert M Bruckmaier
Keyword(s):  
Dairy Cows ◽  
Somatic Cell ◽  
Cell Count ◽  
Somatic Cell Count ◽  
Practical Reasons ◽  
Udder Health ◽  
Somatic Cell Counts ◽  
Cell Numbers ◽  
Cell Counts

Determination of somatic cell count (SCC) is used worldwide in dairy practice to describe the hygienic status of the milk and the udder health of cows. When SCC is tested on a quarter level to detect single quarters with high SCC levels of cows for practical reasons, mostly foremilk samples after prestimulation (i.e. cleaning of the udder) are used. However, SCC is usually different in different milk fractions. Therefore, the goal of this study was the investigation of the use of foremilk samples for the estimation of total quarter SCC. A total of 378 milkings in 19 dairy cows were performed with a special milking device to drain quarter milk separately. Foremilk samples were taken after udder stimulation and before cluster attachment. SCC was measured in foremilk samples and in total quarter milk. Total quarter milk SCC could not be predicted precisely from foremilk SCC measurements. At relatively high foremilk SCC levels (>300×103 cells/ml) foremilk SCC were higher than total quarter milk. At around (50–300)×103 cells/ml foremilk and total quarter SCC did not differ considerably. Most interestingly, if foremilk SCC was lower than 50×103 cells/ml the total quarter SCC was higher than foremilk SCC. In addition, individual cows showed dramatic variations in foremilk SCC that were not very well related to total quarter milk SCC. In conclusion, foremilk samples are useful to detect high quarter milk SCC to recognize possibly infected quarters, only if precise cell counts are not required. However, foremilk samples can be deceptive if very low cell numbers are to be detected.

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