Genetic selection for improved climatic resilience is paramount to increase the long-term
sustainability of high-producing dairy cattle, especially in face of climate change. Various …

Background Genome-wide association study (GWAS) is a powerful tool for revealing the
genetic basis of quantitative traits. However, studies using GWAS for conformation traits of …

Genetic parameters for fertility traits in Czech Holstein population were estimated. The
database obtained from the Czech-Moravian Breeders Corporation with 6 414 486 …

Linear and threshold animal models were used to estimate genetic parameters for
reproductive traits in Iranian Holstein cows. Reproductive traits included: days from calving …

Simple Summary Holstein has been the most widely used dairy cattle breed in the Korean
Peninsula since its introduction in 1885. Since the formal dairy herd improvement program …

Body size plays a key role in production, health, selection, and environmental adaptation of
animals, but the genetic basis of body size variation is not clearly understood. Here, we …

Trait-by-trait and multiple trait bioeconomic modeling were used to derive farm-specific
economic weights (EW) for a wide range of traits under different production and economic …

Pregnancy per insemination is a major determinant of reproductive efficiency in cattle and is
affected by concentrations of progesterone (P4) during early pregnancy. The relationship …

This study was aimed to assess genetic parameters for 13 traits in heifers and first-parity
Holstein dairy cows. Data consisted of calving and insemination dates of 14,707 Holstein …

Data collected from 1807 lactation records relevant to 735 Holstein cows, between 1995-
2005 were utilized to estimate heritability, repeatability and breeding value of all lactation …