<abstract xmlns="http://www.w3.org/1999/xhtml"><p>For over 2.5 million dairy cows subject to assessment in Poland in 2005–2010, gestation length was analyzed. This trait follows a normal distribution, and it was found that the acceptable upper limit of gestation length for the Montbéliard and Simental breeds was 306 days, this being significantly different from other breeds. For the remaining dairy cattle breeds the value was 298 days. For cows with gestation length exceeding these limiting values, parentage control would be advisable.</p></abstract>

For over 2.5 million dairy cows subject to assessment in Poland in 2005–2010, gestation length was analyzed. This trait follows a normal distribution, and it was found that the acceptable upper limit of gestation length for the Montbéliard and Simental breeds was 306 days, this being significantly different from other breeds. For the remaining dairy cattle breeds the value was 298 days. For cows with gestation length exceeding these limiting values, parentage control would be advisable.

The evaluation of gestation length range for different breeds of Polish dairy cattle

Department of Genetics and Animal Breeding, Poznan University of Life Science, Wołyńska 33, 60-637 Poznań

Departament of Mathematical and Statistical Methods, Poznan University of Life Science, Wojska Polskiego 28, 60-637 Poznań

Biometrical Letters

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

For over 2.5 million dairy cows subject to assessment in Poland in 2005–2010, gestation length was analyzed. This trait follows a normal distribution, and it...

The evaluation of gestation length range for different breeds of Polish dairy cattle

Publié en ligne: 08 juin 2015

Pages: 37 - 45

DOI: https://doi.org/10.1515/bile-2015-0004

Mots clés
dairy cattle, gestation length

© Zbigniew Sobek et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The evaluation of gestation length range for different breeds of Polish dairy cattle

Publié en ligne: 08 juin 2015

Pages: 37 - 45

DOI: https://doi.org/10.1515/bile-2015-0004

Mots clésdairy cattle, gestation length

© Zbigniew Sobek et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
dairy cattle, gestation length