Excellent reproductive performance in both males and females is fundamental to profitable
dairy and beef production systems. In this review we undertook a meta-analysis of genetic …

Fertility is a critically important factor in cattle production because it directly relates to the
ability to produce the offspring necessary to offset costs in production systems. Female …

Fertility is a complex trait in beef production systems and genetic evaluation procedures,
which is partly due to the numerous measures used to assess reproduction. Beyond beef …

We describe a systems biology approach for the genetic dissection of complex traits based
on applying gene network theory to the results from genome-wide associations. The …

Due primarily to a lack of phenotypic data, little research has been undertaken on the
genetics of reproductive performance in beef cattle. The objective of this study was to …

Age at puberty is an important component of reproductive performance in beef cattle
production systems. Brahman cattle are typically late-pubertal relative to Bos taurus cattle …

Although changes in environment and management are primarily implicated for the decline
in reproductive efficiency of Holstein cows during the past 25 yr, fertility of the male must not …

This study was carried out to estimate the heritability and genetic correlations between
adjusted weights at 210 (W210) and 450 (W450) days of age, scrotal circumference …

The objective of this project was to determine the genetic control of conception rate, or
pregnancy percentage in Angus beef heifers. Producers from 6 herds in 5 states provided …

Data from 129,575 Nellore cattle born between 1993 and 2006, belonging to the
Jacarezinho cattle-raising farm, were used to estimate genetic parameters for scrotal …