Losing a Herd Mate: Negative Effects on Milk Yield and Udder Health Indicators in Loose-Housed Dairy Cattle

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027014%3A_____%2F24%3A10006150" target="_blank" >RIV/00027014:_____/24:10006150 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.mdpi.com/2076-2615/14/23/3459" target="_blank" >https://www.mdpi.com/2076-2615/14/23/3459</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/ani14233459" target="_blank" >10.3390/ani14233459</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Losing a Herd Mate: Negative Effects on Milk Yield and Udder Health Indicators in Loose-Housed Dairy Cattle

Popis výsledku v původním jazyce

Extensively managed and feral domesticated cattle (Bos taurus) live in a stable, complex social environment. Herds comprise members of various ages, genders, and sexual maturity. Under intensive farm management, dairy cows experience frequent and routine regrouping, which can disrupt affiliative bonds and induce social stress. This study explores the impact of changes in herd composition on milk yield and udder health traits in resident dairy cows that experience the removal of familiar herd members and the introduction of new individuals into the group. Data on milk yield (production trait), electrical conductivity, and blood presence in milk (indicators of udder health) were monitored over 9 years using precision dairy sensors in a sample of 798 cows. Milk yield dropped after the loss of familiar herd members while introducing new cows had no effect. The higher number of withdrawn cows (up to 10 at once) resulted in lower daily milk yield, increased milk conductivity, and a higher probability of blood presence in milk. Thus, besides lowering milk production, social stress is linked to potential udder health issues. Holstein Friesian cows and primiparous and early-lactation cows were more affected by herd changes than Czech Simental and multiparous cows in later lactation stages. These findings highlight the importance ofsocial stability for dairy cow welfare and productivity, emphasising the need for strategies to reduce stress during necessary herd adjustments.

Název v anglickém jazyce

Losing a Herd Mate: Negative Effects on Milk Yield and Udder Health Indicators in Loose-Housed Dairy Cattle

Popis výsledku anglicky

Extensively managed and feral domesticated cattle (Bos taurus) live in a stable, complex social environment. Herds comprise members of various ages, genders, and sexual maturity. Under intensive farm management, dairy cows experience frequent and routine regrouping, which can disrupt affiliative bonds and induce social stress. This study explores the impact of changes in herd composition on milk yield and udder health traits in resident dairy cows that experience the removal of familiar herd members and the introduction of new individuals into the group. Data on milk yield (production trait), electrical conductivity, and blood presence in milk (indicators of udder health) were monitored over 9 years using precision dairy sensors in a sample of 798 cows. Milk yield dropped after the loss of familiar herd members while introducing new cows had no effect. The higher number of withdrawn cows (up to 10 at once) resulted in lower daily milk yield, increased milk conductivity, and a higher probability of blood presence in milk. Thus, besides lowering milk production, social stress is linked to potential udder health issues. Holstein Friesian cows and primiparous and early-lactation cows were more affected by herd changes than Czech Simental and multiparous cows in later lactation stages. These findings highlight the importance ofsocial stability for dairy cow welfare and productivity, emphasising the need for strategies to reduce stress during necessary herd adjustments.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

40201 - Animal and dairy science; (Animal biotechnology to be 4.4)

Projekt

<a href="/cs/project/QK1910242" target="_blank" >QK1910242: Eliminace rizikových faktorů zdraví a reprodukce dojnic pomocí využití automatizovaných systémů měření a sběru dat</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

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

Název periodika

Animals

ISSN

2076-2615

e-ISSN

—

Svazek periodika

14

Číslo periodika v rámci svazku

23

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

12

Strana od-do

1-12

Kód UT WoS článku

001376873300001

EID výsledku v databázi Scopus

2-s2.0-85211943548