and other advancements in milk testing D. Schwarz Speaker: Andy - - PowerPoint PPT Presentation
The new CombiFoss 7 DC Differential somatic cell count and other advancements in milk testing D. Schwarz Speaker: Andy Carr THE NEW COMBIFOSS 7 DC DIFFERENTIAL SOMATIC CELL COUNT AND OTHER ADVANCEMENTS IN MILK TESTING ICAR 201 7
The new CombiFoss™ 7 DC – Differential somatic cell count and other advancements in milk testing
Speaker: Andy Carr
ICAR 201 7 UK CONFERENCE, EDINBURGH, SCOTLAND 1 4 JUNE 201 7
2
THE NEW COMBIFOSS 7 DC DIFFERENTIAL SOMATIC CELL COUNT AND OTHER ADVANCEMENTS IN MILK TESTING
www.fossanalytics.com
e.g. Sampimon et al., 2005
600,000 cells/ml 200,000 cells/ml 1971 2002
12.9 15.3 4.8 30.6 36.4 15.1 18.5 13 5.2 25.2 23
CDCB, 2015; vit Annual report 2016
US Germany
Mastitis Reproduction problems Locomotion Problems metabolic problems unspecified
improved decision making through DHI testing.”
1970s 1990s 1950s 1960s 2016 2000s 1980s
TM 7 DC
flow system:
ratio
for minor constituents
Schwarz, 2017)
Macrophages Macrophages Macrophages PMN
Lymphocytes play minor role only
1 1 1 1 1 2 2 2 100 200 300 400 500 Axis Title SCC (x 1,000 cells/ml)
normal (unspecific) mastitis
10 20 30 40 50 60 70 80 90 100 100 200 300 400 500 DSCC (%) SCC (x 1,000 cells/ml)
normal (unspecific) mastitis active.. inactive inflammatory response
Project Objective Status Denmark Longitudinal study to develop general guidelines for application of DSCC in practise In progress Germany Implementation of DSCC in routine DHI analysis – development of application guidelines In progress University Value of DSCC for selective dry cow therapy Data analysis DHI laboratory, North America DSCC for enhanced analysis of udder health in fresh lactating cows Kick-off: May 2017 DHI laboratory, North America Investigation of correlation between DSCC and udder health status in a longitudinal study - selective dry cow therapy Kick-off: June 2017 DHI laboratory, Europe DSCC as parameter for improved microbiological testing Kick-off: September 2017 DHI laboratory & universities, Europe DSCC as indicator for prediction of the recovery phase after mastitis Kick-off: October 2017
various countries
De Roos et al., 2007; Schwarz et al., 2015; Santschi et al., 2016; Coburn et al., 2017; Schwarz, 2017
using FTIR Equalizer
FTIR spectra, milk
absorbance
Highly accurate, fast, reliable, repeatable, and robust determination of up to 19 parameters at low cost
@SchwarzD123 @FOSSAnalytical
New services to provide dairy farmers with better information:
currently under validation
service in many countries