The influence of eating and rumination time on solids content in milk and milk yield performance of cows

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F23%3A95088" target="_blank" >RIV/60460709:41210/23:95088 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.17221/228/2022-CJAS" target="_blank" >https://doi.org/10.17221/228/2022-CJAS</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.17221/228/2022-CJAS" target="_blank" >10.17221/228/2022-CJAS</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The influence of eating and rumination time on solids content in milk and milk yield performance of cows

Popis výsledku v původním jazyce

The aim of this study was to evaluate the effect of rumination time, eating time and season on milk yield and on milk component content in the context of milk recording. The experiment was carried out with two breeds -Czech Fleckvieh cattle and Holstein cattle -for one year. Vitalimetr 5P neck responders were used to monitor eating and rumination time. For statistical evaluation, the time of eating and rumination was divided into three groups according to the length of eating and ruminating, with each breed being categorised separately. The high-est protein content, which was 3.6%, was calculated for the group with an average eating time. The fat content was highest for the group with a below-average eating time. On the other hand, the highest milk yield was statisti-cally significantly (P < 0.01) higher in the group with the longest eating time. In terms of rumination, the trend was similar to that of the eating period. In the evaluation of the effect of rumination time, there was no difference in protein %, fat kg and fat % content. A significant (P < 0.05) increase of protein kg was observed with higher rumination time. Changes in milk yield and milk components also occurred throughout the year. During the winter months, the yield decreased, but there was an increase in milk constituent content. During the summer months, the reverse results were obtained. The findings of this study highlight the importance of evaluating eating and rumi-nation time as a potential predictor of milk yield and milk solids content, which are important in milk monetization.

Název v anglickém jazyce

The influence of eating and rumination time on solids content in milk and milk yield performance of cows

Popis výsledku anglicky

The aim of this study was to evaluate the effect of rumination time, eating time and season on milk yield and on milk component content in the context of milk recording. The experiment was carried out with two breeds -Czech Fleckvieh cattle and Holstein cattle -for one year. Vitalimetr 5P neck responders were used to monitor eating and rumination time. For statistical evaluation, the time of eating and rumination was divided into three groups according to the length of eating and ruminating, with each breed being categorised separately. The high-est protein content, which was 3.6%, was calculated for the group with an average eating time. The fat content was highest for the group with a below-average eating time. On the other hand, the highest milk yield was statisti-cally significantly (P < 0.01) higher in the group with the longest eating time. In terms of rumination, the trend was similar to that of the eating period. In the evaluation of the effect of rumination time, there was no difference in protein %, fat kg and fat % content. A significant (P < 0.05) increase of protein kg was observed with higher rumination time. Changes in milk yield and milk components also occurred throughout the year. During the winter months, the yield decreased, but there was an increase in milk constituent content. During the summer months, the reverse results were obtained. The findings of this study highlight the importance of evaluating eating and rumi-nation time as a potential predictor of milk yield and milk solids content, which are important in milk monetization.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

40101 - Agriculture

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2023

Kód důvěrnosti údajů

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

Název periodika

Czech Journal of Animal Science

ISSN

1212-1819

e-ISSN

1212-1819

Svazek periodika

68

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

8

Strana od-do

161-168

Kód UT WoS článku

000979389300002

EID výsledku v databázi Scopus

2-s2.0-85161996836