Cell biology symposium: genetics of feed efficiency in dairy and beef cattle

DP Berry, JJ Crowley - Journal of animal science, 2013 - academic.oup.com
Increasing food production for the growing human population off a constraining land base
will require greater efficiency of production. Genetic improvement of feed efficiency in cattle …

Phenotypic and genetic parameters for different measures of feed efficiency in different breeds of Irish performance-tested beef bulls

JJ Crowley, M McGee, DA Kenny… - Journal of animal …, 2010 - academic.oup.com
No genetic parameters for performance and feed efficiency traits are available for Irish
performance-tested bulls. The objective of this study was to determine the phenotypic and …

Genetic parameters for residual feed intake in growing pigs, with emphasis on genetic relationships with carcass and meat quality traits

H Gilbert, JP Bidanel, J Gruand… - Journal of animal …, 2007 - academic.oup.com
Data were collected over the first 4 generations of a divergent selection experiment for
residual feed intake of Large White pigs having ad libitum access to feed. This data set was …

Genetics of residual feed intake in cattle and pigs: A review

MA Hoque, K Suzuki - Asian-Australasian Journal of Animal …, 2009 - animbiosci.org
The feed resource for animals is a major cost determinant for profitability in livestock
production enterprises, and thus any effort at improving the efficiency of feed use will help to …

Repeatability of feed efficiency, carcass ultrasound, feeding behavior, and blood metabolic variables in finishing heifers divergently selected for residual feed intake

AK Kelly, M McGee, DH Crews Jr… - Journal of animal …, 2010 - academic.oup.com
This study examined the relationship between feed efficiency and performance, and feeding
behavior, blood metabolic variables, and various ultrasonic measurements in finishing beef …

[HTML][HTML] Feedlot performance, feed efficiency reranking, carcass traits, body composition, energy requirements, meat quality and calpain system activity in Nellore …

RC Gomes, RD Sainz, SL Silva, MC César, MN Bonin… - Livestock Science, 2012 - Elsevier
The aim was to evaluate growth, carcass traits, feed efficiency reranking, body composition,
calpain system activity and meat quality in Nellore steers that were phenotypically ranked for …

Phenotypic and genetic relationships of residual feed intake with performance and ultrasound carcass traits in Brangus heifers

PA Lancaster, GE Carstens, DH Crews Jr… - Journal of animal …, 2009 - academic.oup.com
The objective of this study was to characterize residual feed intake (RFI) and to estimate
phenotypic and genetic correlations with performance and ultrasound carcass traits in …

On the determination of residual feed intake and associations of infrared thermography with efficiency and ultrasound traits in beef bulls

YR Montanholi, KC Swanson, FS Schenkel… - Livestock Science, 2009 - Elsevier
To determine the relationship of infrared thermography (IR) and ultrasound measures (US)
with the variation in feed efficiency and daily dry matter intake (DMI), alternative models for …

Performance, residual feed intake, digestibility, carcass traits, and profitability of Angus-Hereford steers housed in individual or group pens

GD Cruz, JA Rodríguez-Sánchez… - Journal of Animal …, 2010 - academic.oup.com
Even though the concept of residual feed intake (RFI) is well accepted, several questions
remain regarding other traits that may be associated with selection for decreased RFI. These …

Effects of different dietary energy and protein levels and sex on growth performance, carcass characteristics and meat quality of F1 Angus× Chinese Xiangxi yellow …

L Li, Y Zhu, X Wang, Y He, B Cao - Journal of animal science and …, 2014 - Springer
Background The experiment evaluated the effect of nutrition levels and sex on the growth
performance, carcass characteristics and meat quality of F1 Angus× Chinese Xiangxi yellow …