[HTML][HTML] Sustainable intensification of beef production in the tropics: The role of genetically improving sexual precocity of heifers
Simple Summary Tropical pasture-based beef production systems play a vital role in global
food security. The importance of promoting sustainable intensification of such systems has …
food security. The importance of promoting sustainable intensification of such systems has …
Genetic mechanisms underlying spermatic and testicular traits within and among cattle breeds: systematic review and prioritization of GWAS results
Reduced bull fertility imposes economic losses in bovine herds. Specifically, testicular and
spermatic traits are important indicators of reproductive efficiency. Several genome-wide …
spermatic traits are important indicators of reproductive efficiency. Several genome-wide …
[HTML][HTML] Genetic parameters for various semen production and quality traits and indicators of male and female reproductive performance in Nellore cattle
Background Given the economic relevance of fertility and reproductive traits for the beef
cattle industry, investigating their genetic background and developing effective breeding …
cattle industry, investigating their genetic background and developing effective breeding …
[HTML][HTML] Genetic parameters and relationships of heifer pregnancy and age at first calving with weight gain, yearling and mature weight in Nelore cattle
AA Boligon, LG Albuquerque - Livestock Science, 2011 - Elsevier
The objectives of the current study were to investigate the additive genetic associations
between heifer pregnancy at 16months of age (HP16) and age at first calving (AFC) with …
between heifer pregnancy at 16months of age (HP16) and age at first calving (AFC) with …
Additive genetic relationships between scrotal circumference, heifer pregnancy, and stayability in Nellore cattle
Scrotal circumference data from 47,605 Nellore young bulls, measured at around 18 mo of
age (SC18), were analyzed simultaneously with 27,924 heifer pregnancy (HP) and 80,831 …
age (SC18), were analyzed simultaneously with 27,924 heifer pregnancy (HP) and 80,831 …
Genetic correlations of young bull reproductive traits and heifer puberty traits with female reproductive performance in two tropical beef genotypes in northern Australia
DJ Johnston, NJ Corbet, SA Barwick… - Animal Production …, 2013 - CSIRO Publishing
Genetic correlations of young bull and heifer puberty traits with measures of early and
lifetime female reproductive performance were estimated in two tropical beef cattle …
lifetime female reproductive performance were estimated in two tropical beef cattle …
Genetic relationships among traits related to reproduction and growth of Nelore females
The objective of the study presented here was to analyze the genetic relationships among
heifer pregnancy (HP), age at first calving (AFC), stayability (STAY), average annual …
heifer pregnancy (HP), age at first calving (AFC), stayability (STAY), average annual …
Genetic associations between scrotal circumference and female reproductive traits in Nelore cattle
APN Terakado, AA Boligon, F Baldi… - Journal of Animal …, 2015 - academic.oup.com
The objective of this study was to estimate genetic associations between scrotal
circumference obtained at 12 (SC12; mean of 21.46±2.74 cm), 15 (SC15; mean of …
circumference obtained at 12 (SC12; mean of 21.46±2.74 cm), 15 (SC15; mean of …
Phenotypic plasticity of composite beef cattle performance using reaction norms model with unknown covariate
The objective of the present study was to determine the presence of genotype by
environment interaction (G× E) and to characterize the phenotypic plasticity of birth weight …
environment interaction (G× E) and to characterize the phenotypic plasticity of birth weight …
Genetic relationship between growth and reproductive traits in Nellore cattle
The objective of this study was to evaluate the genetic relationship between postweaning
weight gain (PWG), heifer pregnancy (HP), scrotal circumference (SC) at 18 months of age …
weight gain (PWG), heifer pregnancy (HP), scrotal circumference (SC) at 18 months of age …