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Article

Somatic Cell Count in Goat Milk: An Indirect Quality Indicator

by
Klára Podhorecká
1,*,
Markéta Borková
2,
Miloslav Šulc
3,
Růžena Seydlová
2,
Hedvika Dragounová
2,
Martina Švejcarová
2,
Jitka Peroutková
2 and
Ondřej Elich
2
1
Department of Chemistry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, 16500 Prague, Czech Republic
2
Dairy Research Institute, Ke Dvoru 12a, 16000 Prague, Czech Republic
3
Food Research Institute Prague, Radiova 1285, 10200 Prague, Czech Republic
*
Author to whom correspondence should be addressed.
Foods 2021, 10(5), 1046; https://doi.org/10.3390/foods10051046
Submission received: 15 April 2021 / Revised: 30 April 2021 / Accepted: 6 May 2021 / Published: 11 May 2021
(This article belongs to the Special Issue Factors Affecting Composition of Cow, Goat, Sheep, Buffalo and Camel Milk)
Versions Notes

Abstract

A high somatic cell count (SCC) impacts dairy quality to a large extent. The goal of this work was to investigate differences in goat milk composition and technological parameters according to SCC cut-off (600, 700, 800, and 1000.103/mL). Thirty-four individual milk samples of White Shorthair goats in a similar stage of lactation were investigated. The first differences in milk quality appeared already at SCC cut-off of 600.103/mL (5.58 LSCS-linear somatic cell score), yet the most striking differences were found for SCC over 1000.103/mL (6.32 LSCS), which was expressed by lowering heat stability (126 vs. 217 s, p = 0.034), increasing protein (3.41 vs. 3.04%, p = 0.009), casein (2.80 vs. 2.44%, p = 0.034) and chloride (164 vs. 147 mg/100 mL, p = 0.004) levels, as well as non-fat dry matter (8.79 vs. 8.45%, p = 0.045). It has been shown that low levels of Staphylococcus spp. bacteria (120–1600 CFU/mL) in the mammary gland correlated with decreased lactose content (4.60 vs. 4.47 g/100 g, p = 0.022). Since our results indicate that even low SCC values may significantly affect the technological properties of goat milk, SCC should therefore be routinely screened and reported to dairy manufacturers to assure the consumer of high end-product quality.
Keywords: goat milk; somatic cells; mastitis-causing bacteria (MCB); Staphylococcus spp.; milk quality goat milk; somatic cells; mastitis-causing bacteria (MCB); Staphylococcus spp.; milk quality

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MDPI and ACS Style

Podhorecká, K.; Borková, M.; Šulc, M.; Seydlová, R.; Dragounová, H.; Švejcarová, M.; Peroutková, J.; Elich, O. Somatic Cell Count in Goat Milk: An Indirect Quality Indicator. Foods 2021, 10, 1046. https://doi.org/10.3390/foods10051046

AMA Style

Podhorecká K, Borková M, Šulc M, Seydlová R, Dragounová H, Švejcarová M, Peroutková J, Elich O. Somatic Cell Count in Goat Milk: An Indirect Quality Indicator. Foods. 2021; 10(5):1046. https://doi.org/10.3390/foods10051046

Chicago/Turabian Style

Podhorecká, Klára, Markéta Borková, Miloslav Šulc, Růžena Seydlová, Hedvika Dragounová, Martina Švejcarová, Jitka Peroutková, and Ondřej Elich. 2021. "Somatic Cell Count in Goat Milk: An Indirect Quality Indicator" Foods 10, no. 5: 1046. https://doi.org/10.3390/foods10051046

APA Style

Podhorecká, K., Borková, M., Šulc, M., Seydlová, R., Dragounová, H., Švejcarová, M., Peroutková, J., & Elich, O. (2021). Somatic Cell Count in Goat Milk: An Indirect Quality Indicator. Foods, 10(5), 1046. https://doi.org/10.3390/foods10051046

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