<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The aim of study was the estimation of the genetic parameters of somatic cell score of Romanian Black and White cattle population. Test-day records of somatic cell count (SCC) of 305 days lactation were from Romanian Black and White cattle population from experimental farm of our institute. The mean of somatic cell count of milk in the first lactation of Romanian Black and White cows was 291966.89. The genetic parameters were estimates with random regression test-day animal model. The heritability for somatic cell score (SCS) ranged from 0.0473 to 0.147. The breeding values for the best cows for somatic cell score were between -35.566 and -191.358. The genetic correlations between somatic cell count milk records test-day were positive. The phenotypic and genetic correlations between somatic cell count and milk yield were negative.</p>
</abstract>

The aim of study was the estimation of the genetic parameters of somatic cell score of Romanian Black and White cattle population. Test-day records of somatic cell count (SCC) of 305 days lactation were from Romanian Black and White cattle population from experimental farm of our institute. The mean of somatic cell count of milk in the first lactation of Romanian Black and White cows was 291966.89. The genetic parameters were estimates with random regression test-day animal model. The heritability for somatic cell score (SCS) ranged from 0.0473 to 0.147. The breeding values for the best cows for somatic cell score were between -35.566 and -191.358. The genetic correlations between somatic cell count milk records test-day were positive. The phenotypic and genetic correlations between somatic cell count and milk yield were negative.

Estimation of the genetic parameters for Somatic Cell Scores in the first lactation of Romanian Black and White cattle

Archiva Zootechnica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The aim of study was the estimation of the genetic parameters of somatic cell score of Romanian Black and White cattle population. Test-day records of somatic...

Estimation of the genetic parameters for Somatic Cell Scores in the first lactation of Romanian Black and White cattle

Publié en ligne: 30 juin 2022

Pages: 142 - 153

DOI: https://doi.org/10.2478/azibna-2022-0010

Mots clés
breeding value, animal model, heritability, cows, somatic cell count

© 2022 Rodica Ștefania Pelmuș et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Estimation of the genetic parameters for Somatic Cell Scores in the first lactation of Romanian Black and White cattle

Publié en ligne: 30 juin 2022

Pages: 142 - 153

DOI: https://doi.org/10.2478/azibna-2022-0010

Mots clésbreeding value, animal model, heritability, cows, somatic cell count

© 2022 Rodica Ștefania Pelmuș et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
breeding value, animal model, heritability, cows, somatic cell count