The serum levels of triacylglycerols, nonesterified fatty acids, and beta-hydroxybutyrate as markers of reproductive capability of primiparous dairy cows

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985904%3A_____%2F25%3A00640195" target="_blank" >RIV/67985904:_____/25:00640195 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60460709:41210/25:102156

Výsledek na webu

<a href="https://academic.oup.com/jas/article/doi/10.1093/jas/skaf276/8249809?login=true" target="_blank" >https://academic.oup.com/jas/article/doi/10.1093/jas/skaf276/8249809?login=true</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1093/jas/skaf276" target="_blank" >10.1093/jas/skaf276</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The serum levels of triacylglycerols, nonesterified fatty acids, and beta-hydroxybutyrate as markers of reproductive capability of primiparous dairy cows

Popis výsledku v původním jazyce

Metabolic stress and negative energy balance (NEB) are typical undesirable accompanying phenomena of the postpartum period in dairy cattle. They negatively affect not only milk production but also the reproductive abilities of the cow, and it is therefore desirable to recognize NEB early to prevent its development. Metabolic stress markers are traditionally total cholesterol (tChol), nonesterified fatty acids (NEFA), beta-hydroxybutyrate (BHB), and triacylglycerols (TAGs). The aim of this work was to determine whether the level of the aforementioned markers in the blood correlates with the ability of a primiparous dairy cow to conceive soon after the first calving. Therefore, oocytes were collected from the monitored cows shortly after calving using the ovum pick-up method, and their quality was subsequently determined. We observed cumulus cell expansion, oocytes quality, maturation rate, and the amount and distribution of lipids within the oocyte. In addition to the mentioned markers, we also monitored the effect of the season in which aspiration was performed to assess its impact on the reproductive indicators of the monitored cows. We observed a negative correlation between higher TAGs and oocyte maturation rate, while the number of aspirated oocytes per cow and the fertilization capability were positively associated with TAGs. Additionally, higher BHB levels in the blood were linked to enhanced fertilization capability. The higher levels of TAGs, BHB, and NEFA in blood were associated with increased lipid intensity, and higher lipid content was positively correlated with both the quality of cumulus cells and oocytes. In summary, we found that NEFA, BHB, and TAGs are the most reliable markers of a cow's readiness to become pregnant after her first calving. The use of tChol, however, remains very controversial. Moreover, primiparous cows are more prepared for re-pregnancy in the warmer season.

Název v anglickém jazyce

The serum levels of triacylglycerols, nonesterified fatty acids, and beta-hydroxybutyrate as markers of reproductive capability of primiparous dairy cows

Popis výsledku anglicky

Metabolic stress and negative energy balance (NEB) are typical undesirable accompanying phenomena of the postpartum period in dairy cattle. They negatively affect not only milk production but also the reproductive abilities of the cow, and it is therefore desirable to recognize NEB early to prevent its development. Metabolic stress markers are traditionally total cholesterol (tChol), nonesterified fatty acids (NEFA), beta-hydroxybutyrate (BHB), and triacylglycerols (TAGs). The aim of this work was to determine whether the level of the aforementioned markers in the blood correlates with the ability of a primiparous dairy cow to conceive soon after the first calving. Therefore, oocytes were collected from the monitored cows shortly after calving using the ovum pick-up method, and their quality was subsequently determined. We observed cumulus cell expansion, oocytes quality, maturation rate, and the amount and distribution of lipids within the oocyte. In addition to the mentioned markers, we also monitored the effect of the season in which aspiration was performed to assess its impact on the reproductive indicators of the monitored cows. We observed a negative correlation between higher TAGs and oocyte maturation rate, while the number of aspirated oocytes per cow and the fertilization capability were positively associated with TAGs. Additionally, higher BHB levels in the blood were linked to enhanced fertilization capability. The higher levels of TAGs, BHB, and NEFA in blood were associated with increased lipid intensity, and higher lipid content was positively correlated with both the quality of cumulus cells and oocytes. In summary, we found that NEFA, BHB, and TAGs are the most reliable markers of a cow's readiness to become pregnant after her first calving. The use of tChol, however, remains very controversial. Moreover, primiparous cows are more prepared for re-pregnancy in the warmer season.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10605 - Developmental biology

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

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

Název periodika

Journal of Animal Science

ISSN

0021-8812

e-ISSN

1525-3163

Svazek periodika

103

Číslo periodika v rámci svazku

Sept 5

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

11

Strana od-do

skaf276

Kód UT WoS článku

001576478500001

EID výsledku v databázi Scopus

2-s2.0-105016886200