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Genetic parameters for 11 456 Tunisian Holstein cows were estimated for the following five reproductive traits: calving interval (CI), calving to first service interval, calving to conception interval (CCI), first service to conception interval and number of services per conception. Low heritabilities were estimated for these traits, and genetic correlation estimates between them were moderately high. The CCI–CI genetic correlation was 0.85, indicating that they are the same trait genetically.
Articles | Volume 59, issue 2
Arch. Anim. Breed., 59, 209–213, 2016
https://doi.org/10.5194/aab-59-209-2016
Arch. Anim. Breed., 59, 209–213, 2016
https://doi.org/10.5194/aab-59-209-2016

Original study 19 May 2016

Original study | 19 May 2016

Genetic parameters of reproductive traits in Tunisian Holsteins

Hafedh Ben Zaabza et al.

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Latest update: 20 Jan 2021
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Short summary
Genetic parameters for 11 456 Tunisian Holstein cows were estimated for the following five reproductive traits: calving interval (CI), calving to first service interval, calving to conception interval (CCI), first service to conception interval and number of services per conception. Low heritabilities were estimated for these traits, and genetic correlation estimates between them were moderately high. The CCI–CI genetic correlation was 0.85, indicating that they are the same trait genetically.
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