Raw cow milk thermostability and its relations to other indicators

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12220%2F18%3A43898549" target="_blank" >RIV/60076658:12220/18:43898549 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/62156489:43210/18:43914373 RIV/26722861:_____/18:N0000016

Výsledek na webu

<a href="https://acta.mendelu.cz/media/pdf/actaun_2018066051127.pdf" target="_blank" >https://acta.mendelu.cz/media/pdf/actaun_2018066051127.pdf</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.11118/actaun201866051127" target="_blank" >10.11118/actaun201866051127</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Raw cow milk thermostability and its relations to other indicators

Popis výsledku v původním jazyce

The aim was to evaluate the chosen relationships among milk composition, factors of primary milk production and milk thermostability (TES) on large data file during whole season (n 2,829). The results showed the TES mean 20.71 ± 8.19 minutes (geometric mean 19, median 20 minutes), from 3 to 57 minutes. Variation coefficient was 39.6%. The highest monthly mean was in September (23.98 ± 7.97, vx 33.3% and xg 22.4 min.) and the lowest in January (16.5 ± 7.17, vx 43.5% and xg 15.1 min.) and monthly mean values fluctuated (P &lt; 0.001) in a relatively broad range of 7.48 minute (36.1%). Weak positive correlation was found between the TES (also log TES) and log TCM (total count of microorganisms) and log COLI (count of coli microorganisms) as well (0.169 and 0.124; P &lt; 0.01; n 1,353 and 1,355). The somatic cell count (SCC) showed no significant relationship with TES (P &gt; 0.05). The surprising results are probably due to the lower variability and especially TCM, COLI and SCC level (248 ± 139 103 ml–1; xg 218; vx 56.2%; n 3,253) in the bulk milk. Significant effect on the TES was identified also in farms (P &lt; 0.001). The results should contribute to an effective method of raw milk selection for dairy products with higher thermal stress during processing. The proposed selection limits for farms according to their history to predict better TES of raw material for 2 years of milk collection are: summer, TES mean over 17.5 minutes, variability up to 36.4%; winter, over 13.0 minutes and up to 43.3%.

Název v anglickém jazyce

Raw cow milk thermostability and its relations to other indicators

Popis výsledku anglicky

The aim was to evaluate the chosen relationships among milk composition, factors of primary milk production and milk thermostability (TES) on large data file during whole season (n 2,829). The results showed the TES mean 20.71 ± 8.19 minutes (geometric mean 19, median 20 minutes), from 3 to 57 minutes. Variation coefficient was 39.6%. The highest monthly mean was in September (23.98 ± 7.97, vx 33.3% and xg 22.4 min.) and the lowest in January (16.5 ± 7.17, vx 43.5% and xg 15.1 min.) and monthly mean values fluctuated (P &lt; 0.001) in a relatively broad range of 7.48 minute (36.1%). Weak positive correlation was found between the TES (also log TES) and log TCM (total count of microorganisms) and log COLI (count of coli microorganisms) as well (0.169 and 0.124; P &lt; 0.01; n 1,353 and 1,355). The somatic cell count (SCC) showed no significant relationship with TES (P &gt; 0.05). The surprising results are probably due to the lower variability and especially TCM, COLI and SCC level (248 ± 139 103 ml–1; xg 218; vx 56.2%; n 3,253) in the bulk milk. Significant effect on the TES was identified also in farms (P &lt; 0.001). The results should contribute to an effective method of raw milk selection for dairy products with higher thermal stress during processing. The proposed selection limits for farms according to their history to predict better TES of raw material for 2 years of milk collection are: summer, TES mean over 17.5 minutes, variability up to 36.4%; winter, over 13.0 minutes and up to 43.3%.

Druh

J_SC - Článek v periodiku v databázi SCOPUS

CEP obor

—

OECD FORD obor

21101 - Food and beverages

Projekt

<a href="/cs/project/QJ1510339" target="_blank" >QJ1510339: Komplexní systém zvýšení kvality mléka, mléčných produktů a monitoring zdravotního stavu krav s cílem zvýšit přidanou hodnotu zemědělské produkce v ČR</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

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

Název periodika

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis

ISSN

1211-8516

e-ISSN

—

Svazek periodika

66

Číslo periodika v rámci svazku

5

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

8

Strana od-do

1127-1134

Kód UT WoS článku

—

EID výsledku v databázi Scopus

2-s2.0-85056263440