An effect of mammary gland infection caused by Streptococcus uberis on composition and physicochemical changes of cows' milk
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62157124%3A16170%2F16%3A43874626" target="_blank" >RIV/62157124:16170/16:43874626 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1515/pjvs-2016-0007" target="_blank" >http://dx.doi.org/10.1515/pjvs-2016-0007</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1515/pjvs-2016-0007" target="_blank" >10.1515/pjvs-2016-0007</a>
Alternative languages
Result language
angličtina
Original language name
An effect of mammary gland infection caused by Streptococcus uberis on composition and physicochemical changes of cows' milk
Original language description
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 kappa-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 kappa-casein level, which significantly affects deterioration of technological quality of cows' milk.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
GJ - Diseases and animal vermin, veterinary medicine
OECD FORD branch
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Result continuities
Project
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Continuities
N - Vyzkumna aktivita podporovana z neverejnych zdroju
Others
Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Polish Journal of Veterinary Sciences
ISSN
1505-1773
e-ISSN
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Volume of the periodical
19
Issue of the periodical within the volume
1
Country of publishing house
PL - POLAND
Number of pages
7
Pages from-to
49-55
UT code for WoS article
000372393600007
EID of the result in the Scopus database
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