Estimates of genetic parameters for growth, reproductive, and carcass traits in Nelore cattle using the single step genomic BLUP procedure

S Kluska, BF Olivieri, M Bonamy, HLJ Chiaia… - Livestock Science, 2018 - Elsevier
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 …

Parameter estimates for reproductive and carcass traits in Nelore beef cattle

ME Buzanskas, PS Pires, TCS Chud, PA Bernardes… - Theriogenology, 2017 - Elsevier
The aim of this study was to estimate genetic parameters for scrotal circumference at 365
(SC365) and 450 (SC450) days of age, age at first calving (AFC), ribeye area (REA), backfat …

Genetic analysis of age at first calving, accumulated productivity, stayability and mature weight of Nellore females

PI Schmidt, GS Campos, RB Lôbo, FRP Souza… - Theriogenology, 2018 - Elsevier
The female reproductive performance, productivity and size are strongly associated with
production efficiency of herds raised in a tropical environment. The age at first calving (AFC) …

Genetic analysis of female reproductive efficiency, scrotal circumference and growth traits in Nelore cattle

PI Schmidt, GS Campos, VM Roso, FRP Souza… - Theriogenology, 2019 - Elsevier
This study estimated the genetic variability and correlations between growth and
reproductive traits in Nelore cattle. Annual genetic changes in female reproductive traits …

Effect of mature size and body condition of Nelore females on the reproductive performance

VV Lacerda, GS Campos, VM Roso, FRP Souza… - Theriogenology, 2018 - Elsevier
The size and body condition of cows can affect their reproductive efficiency. However, few
studies reported genetic correlations between these traits in beef cattle. Thus, we estimated …

Evidence of negative relationship between female fertility and feed efficiency in Nellore cattle

RJ Ferreira Júnior, SFM Bonilha… - Journal of Animal …, 2018 - academic.oup.com
The objective of this study was to evaluate phenotypic and genetic relationships between
fertility traits and feed efficiency in male and female Nellore cattle. Data from 320 females …

Selection criteria for feed efficiency-related traits and their association with growth, reproductive and carcass traits in Nelore cattle

LC Brunes, F Baldi, FB Lopes, RB Lobo… - Animal Production …, 2021 - CSIRO Publishing
Context Livestock feed costs have a higher impact on the profitability of beef production
systems and are directly related to feed efficiency. However, these traits are hard and have …

[HTML][HTML] A Random Forest-based genome-wide scan reveals fertility-related candidate genes and potential inter-chromosomal epistatic regions Associated with Age at …

AAC Alves, RM da Costa, LFS Fonseca… - Frontiers in …, 2022 - frontiersin.org
This study aimed to perform a genome-wide association analysis (GWAS) using the
Random Forest (RF) approach for scanning candidate genes for age at first calving (AFC) in …

Phenotypic and genetic parameter estimates for early growth, growth rate and growth efficiency‐related traits of Fogera cattle in Ethiopia

D Kassahun, M Taye, D Kebede… - Veterinary Medicine …, 2022 - Wiley Online Library
Background Understanding the phenotypic and genetic parameter estimates of growth traits
is important for an effective livestock genetic improvement programme. Objectives In this …

Different selection practices affect the environmental sensitivity of beef cattle

A de Paula Freitas, ML Santana Junior, FS Schenkel… - PLoS …, 2021 - journals.plos.org
The objective of the present study was to evaluate the effects of different selection practices
on the environmental sensitivity of reproductive and growth traits in males and females of …