Does physical state of farm housing and milking practices affect total bacteria and somatic cell count of cow milk?

2019 ◽  
Vol 39 (3) ◽  
pp. e12635
Author(s):  
Annah Shingirai Paraffin ◽  
Titus Jairus Zindove ◽  
Michael Chimonyo
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Somatic Cell Count ◽  
Physical State ◽  
Cow Milk ◽  
Total Bacteria

scholarly journals Using Viscosity Values for Determining Somatic Cell Count in Cow Milk

2012 ◽  
Vol 7 (5) ◽  
pp. 441-445 ◽  
Author(s):  
Savas Atasever ◽  
Huseyin Erdem ◽  
Ertugrul Kul
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Somatic Cell Count ◽  
Cow Milk

scholarly journals Variability and correlation between basic quality parameters of raw cow milk

2011 ◽  
Vol 27 (3) ◽  
pp. 959-967
Author(s):  
N. Memisi ◽  
V. Bogdanovic ◽  
Z. Tomic ◽  
A. Kasalica ◽  
M. Zujovic ◽  
...  
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Milk Fat ◽  
Somatic Cell Count ◽  
Milk Proteins ◽  
Raw Milk ◽  
Quality Parameters ◽  
Cow Milk ◽  
Chemical Parameters ◽  
Quality Of Milk

In this paper the results of the analysis of the milk somatic cell count are presented, as well as correlation between the somatic cell count and content of certain chemical parameters in milk (milk proteins, fat, lactose and dry matter without fat) determined in collective samples of milk obtained from cows reared in intensive rearing system, during two production years. The research was carried out by control of collective milk samples from cows reared on family holdings. Somatic cell count, as well as the chemical quality of milk, were controlled daily in the laboratory for raw milk in dairy plant AD ?Mlekara? - Subotica using the apparatus CombiFoss 6200 FC. In this investigation, statistically significant correlation (P<0,001) between all observed milk parameters was determined. Positive, weak and statistically highly significant correlation between the content of milk fat and proteins in milk and somatic cell count was established. It was also established that the variability of chemical parameters of milk and somatic cell count is also under the influence of different factors, such as: month of control, year of the research and farm.

scholarly journals Differential Somatic Cell Count as a Marker for Changes of Milk Composition in Cows with Very Low Somatic Cell Count

Animals ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 604 ◽  
Author(s):  
Alfonso Zecconi ◽  
Francesca Dell’Orco ◽  
Diego Vairani ◽  
Nicoletta Rizzi ◽  
Micaela Cipolla ◽  
...  
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Milk Fat ◽  
Somatic Cell Count ◽  
Milk Composition ◽  
Cow Milk ◽  
Udder Health ◽  
Lactating Cows ◽  
Accuracy Of Measurements ◽  
The Relationship

The recent availability of a high-throughput milk analyzer performing a partial differential somatic cell count (DSCC) opened new opportunities in investigations on bovine udder health. This analyzer has a potential limitation on the accuracy of measurements when the somatic cell count (SCC) is below 50,000 cells/mL, values characterizing a good proportion of lactating cows in many herds. We obtained data for cows below this threshold, assessed the repeatability of these measurements and investigated the relationship between DSCC and udder health, milk composition and yield. Overall, 3022 cow milk test records performed on a Fossomatic™ 7/DC (Foss A/S, Hillerød, Denmark) were considered; 901 of them had an SCC ≤ 50,000 cells/mL. These latter samples were analyzed by qPCR to identify the presence of bacteria. Overall, 20.75% of the samples (187) were positive. However, the health status did not have any significant association with DSCC. The analysis of the association of DSCC on milk fat, protein and casein showed a significant decrease in their proportions as the DSCC increased, whereas it was not observed for milk yield and lactose. Therefore, DSCC in very low SCC cows may be suggested as a marker to identify early changes in milk composition.

scholarly journals An effect of mammary gland infection caused by Streptococcus uberis on composition and physicochemical changes of cows’ milk

2016 ◽  
Vol 19 (1) ◽  
pp. 49-55 ◽  
Author(s):  
E. Pecka-Kiełb ◽  
M. Vasil ◽  
A. Zachwieja ◽  
W. Zawadzki ◽  
J. Elečko ◽  
...  
Keyword(s):  
Mammary Gland ◽  
Physicochemical Properties ◽  
Somatic Cell ◽  
Cell Count ◽  
Somatic Cell Count ◽  
Milk Composition ◽  
Microbiological Analysis ◽  
Milk Samples ◽  
Streptococcus Uberis ◽  
Total Bacteria

Abstract An effect of mammary gland infection caused by Streptococcus uberis on the changes in cows’ milk composition and its physicochemical properties was examined. The study was conducted in the herd of Slovak Pied breed cattle (with a share of HF blood), in 2nd and 3rd lactation, after 4th month of milking. Milk samples were collected from a quarter milking. The samples were subjected to microbiological analysis, basic milk composition, total bacteria count, somatic cell count and physicochemical properties were examined. Also analyses of protein fractions share and fatty acids profile were conducted. An effect of bacterial infection of the mammary gland bring an increase (P<0.01) in somatic cell count was observed in this study. Milk samples contaminated with S. uberis were characterized by higher (P<0.05) total bacteria count and total protein compared to milk samples collected from non-infected mammary gland. The level of κ-casein was significantly (P<0.05) decreased in cows with subclinical mastitis caused by S. uberis. Significant (P<0.05) reduction in the share of C13:0 acid, and an increased level of C18:0, C18:1n7t and CLA were observed in milk contaminated with S. uberis compared to healthy cows’ milk. It should be concluded that S. uberis causes the increase in total bacteria count, SCC and the decrease in κ-casein level, which significantly affects deterioration of technological quality of cows’ milk.

scholarly journals Somatic cell count obtained by Ekomilk Scan® and correlations with other methods of analysis

2018 ◽  
Vol 48 (6) ◽  
Author(s):  
Ana Carolina Siqueira Gonçalves ◽  
Luiz Carlos Roma Júnior ◽  
Rafaela Torrezan Privatti ◽  
Márcia Saladini Vieira Salles ◽  
Claudia Cristina Paro de Paz ◽  
...  
Keyword(s):  
Flow Cytometry ◽  
Somatic Cell ◽  
Cell Count ◽  
Somatic Cell Count ◽  
Milk Composition ◽  
Cow Milk ◽  
Direct Microscopy ◽  
Reference Flow ◽  
Northeastern State ◽  
Repeatability And Reproducibility

ABSTRACT: The study aimed to evaluate the equipment Ekomilk Scan® as an alternative to somatic cell count (SCC) in milk. For this individual cow milk samples of various ages and different stages of lactation in northeastern state of São Paulo region were collected. The analyzes performed were divided into variables related to the equipment: repeatability and reproducibility, and variables that could influencing the results as: use of preservatives, temperature, time between collection and analysis, breed and milk composition, besides analysis to relate the Ekomilk Scan® with the standard method-direct microscopy and reference-flow cytometry. As the result, for samples analysis, it shouldn’t be added preservative and these should be conducted on the same day of collection; however, temperature sample did not significantly influence results. Furthermore, Ekomilk Scan® did not show good correlation of results with the method of direct microscopy; however, it was necessary to generate equations for a positive correlation between flow cytometry and Ekomilk Scan®. Therefore, it is concluded that the equipment tested is not accurate but it can be an alternative for SCC monitoring in productive units since it uses calibration equations of results.

scholarly journals PSIII-7 Evaluating sow colostrum somatic cell count as an indicator for colostrum composition or litter characteristics

2020 ◽  
Vol 98 (Supplement_3) ◽  
pp. 237-238
Author(s):  
Ryan T Maurer ◽  
Kiah M Gourley ◽  
Theresa J Rathbun ◽  
Jason C Woodworth ◽  
Joel M DeRouchey ◽  
...  
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Somatic Cell Count ◽  
Pearson Correlation ◽  
Pairwise Comparison ◽  
Sample Volume ◽  
Cow Milk ◽  
Large White ◽  
Cell Counts ◽  
Cell Sample

Abstract Sow colostrum is essential during early piglet life to provide passive immunity via immunoglobulins and leukocytes.The somatic cell population in colostrum and milk consists of leukocytes and epithelial cells. Somatic cell count (SCC) of milk is commonly used as an indicator of cow milk quality and health status, but not commonly measured in lactating gilts or sows. An experiment was conducted to evaluate the relationship between colostrum SCC and colostrum composition or litter performance. A total of 194 frozen (-20℃) colostrum samples from Large White × Landrace females were evaluated for SCC. Cells were pelleted and washed twice by centrifugation (10 min. at 400 x g; 4℃) in Phosphate Buffered Saline (PBS; pH 7.2, LifeTechnologies). The resulting cell sample was labelled with a nuclear dye (LDS751) and cells counted via micro-capillary bench-top flow cytometer (Guava EasyCyte Plus, Millipore). Final SCC (cells/mL) was calculated by dividing sample cell count (cells/sample) by original sample volume (mL/sample). Data was analyzed for relationship between SCC and response variables using Pearson correlation. A pairwise comparison was used to evaluate SCC by parity category (gilts vs. sows). Results were considered significant at P&lt; 0.05. Final somatic cell counts ranged from 5.8×104 to 2.9×106 cells/mL. Sows had decreased (P=0.033) SCC compared to gilts (3.0 ×105 vs. 3.7 ×105). There was no evidence for a relationship (P &gt;0.05) between SCC and piglet weight at 24h or weaning, 24h litter gain, 24h or pre-wean mortality, sow backfat or body weight. Colostrum total solids, protein, lactose, and immunoglobulin G concentration showed no evidence for relationship (P &gt;0.05) to SCC. Colostrum fat showed a weak positive correlation (P=0.018, R=0.18) with SCC. In conclusion, colostrum SCC is lower in sows than gilts, but does not appear to correlate to colostrum composition or litter performance.

Sign in / Sign up

Export Citation Format

Share Document