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The Effect of Somatic Cell Counts in Milk During Lactation on Milk Yield and Composition

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43210%2F16%3A43909522" target="_blank" >RIV/62156489:43210/16:43909522 - isvavai.cz</a>

  • Result on the web

    <a href="https://sites.google.com/site/physiologyanimal2016/home/prispevky" target="_blank" >https://sites.google.com/site/physiologyanimal2016/home/prispevky</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    The Effect of Somatic Cell Counts in Milk During Lactation on Milk Yield and Composition

  • Original language description

    The study devoted to to the possible effect of SCC on milk yield and its composition under the practical farm conditions. Into experiment 580 dairy cows were enrolled throughout whole lactation (Slovak Pied - 70% and the remaining 30% form a crossbred Holstein and Pinzgau). Under regular milk recording treatment the milk samples (3420 samples) were collected monthly and analysed in certificated laboratory of Slovak breeding services š.p. Bratislava. Milk yield and its composition (fat, protein and lactose) and SCC (logxSCC per ml) were evaluated. On the monthly basis of SCC the cows were divided into following groups: SCC below 3 x 105 cells/ml (low group LG), between 3 x 105 and 6 x 105 cells/ml (middle group MG), between 6 x 105 and 10 x 105 cells/ml (higher group HG), between 10 x 105 and 30 x 105 cells/ml (highest group HiG) and SCC over 30 x 105 cells/ml (ill group, ILG). SCC significantly (p &lt; 0.05) reduced milk yield per milking from 10.76 +- 0,317 kg in LG (LS means +- standard error) to 8.36 +- 0.381 kg in ILG. So the work points to a relationship of production and udder health. Protein slightly but significant increased from 3.56 +- 0.024 % (LG) to 3.66 +- 0.03 % (ILG). Fat content was constant in first four groups (around 3.95 +- 0.051 %) with significant increase in ILG (4.16 +-0.073 %). Lactose significantly reduced from 4.66 +- 0.022 % in LG to 3.65 +- 0.027 % in both HiG and ILG. SCC significantly negatively influences milk yield and its composition which was clearly proven under practical conditions. Data from regular milk recording should be used for significant improvement of dairy management.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    40301 - Veterinary science

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Animal Physiology 2016: Conference Proceedings

  • ISBN

    978-80-7509-416-2

  • ISSN

  • e-ISSN

  • Number of pages

    5

  • Pages from-to

    236-240

  • Publisher name

    Mendelova univerzita v Brně

  • Place of publication

    Brno

  • Event location

    Bořetice

  • Event date

    Jun 13, 2016

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article

    000400583400036