Acta Univ. Agric. Silvic. Mendelianae Brun. 2017, 65, 879-892

https://doi.org/10.11118/actaun201765030879
Published online 2017-07-03

Somatic Cells in Bulk Samples and Purchase Prices of Cow Milk

Jindřich Kvapilík1, Oto Hanuš2, Petr Roubal2, Jan Říha3, Petr Urban4, Radoslava Jedelská2, Růžena Seydlová2, Marcela Klimešová2, Pavel Kopunecz4

1Research Institute for Animal Production v.v.i., Přátelství 815, 104 00 Praha 22, Czech Republic
2Dairy Research Institute, s.r.o., Ke Dvoru 12a, 160 00 Praha 6, Czech Republic
3Bentley Czech s.r.o., Hlinky 114, 603 00 Brno, Czech Republic
4Czech–Moravia Breeders Corporation a.s., Benešovská 123, 252 09 Hradištko, Czech Republic

There were calculated the somatic cell count (SCC) 209 (36 – 468) 103ml–1, the total count of microorganisms (TCM) 25 103ml–1 (from 5 to 377), fat 3.84 % (from 3.23 to 4.46) and protein content 3.39 % (from 3.04 to 3.75) and milk freezing point (MFP) –0.525 °C (from –0.534 to –0.395) of the 522 monthly bulk milk samples from 11 experimental stables during the period from 2012 to 2015. Residues of inhibitory substances were not detected in any sample. Milk sale reached 7,999 liters (l) with fluctuating between 6,150 and 10,532 l per cow. This can be deduced from the regression coefficients that due to increase in the SCC by 100 103ml–1 the TCM increased by 2.9 to 4.2 103ml–1, the fat content decreased by 0.09 to 0.13 % and protein about 0.01 to 0.05 %. Influence of SCC, TCM and the fat and protein content calculated from monthly samples for individual stables can be estimated at –0.12 CZC, fluctuations between the stables at +0.46 to –0.84 CZC per l of milk. The increase in milk price by 0.17 CZC in the range of –0.92 to +0.92 CZC per l of milk corresponds to averages of indicators calculated from 522 samples.

Funding

This work was supported by Ministry of Agriculture projects NAZV KUS QJ1210301, MZe RO0714 and MZe RO1417.

References

23 live references