Effects of ad libitum and restricted feed intake on growth performance and body composition of Yorkshire pigs selected for reduced residual feed intake1
N Boddicker, NK Gabler, ME Spurlock… - Journal of Animal …, 2011 - academic.oup.com
Residual feed intake (RFI), defined as the difference in the observed and expected feed
intake while accounting for growth and backfat, has gained much attention, but little is known …
intake while accounting for growth and backfat, has gained much attention, but little is known …
Effects of ad libitum and restricted feeding on early production performance and body composition of Yorkshire pigs selected for reduced residual feed intake
Residual feed intake (RFI), defined as the difference between observed and expected feed
intake based on growth and backfat, has been used to investigate genetic variation in feed …
intake based on growth and backfat, has been used to investigate genetic variation in feed …
Using quantile regression methodology to evaluate changes in the shape of growth curves in pigs selected for increased feed efficiency based on residual feed intake
Growth rate is a major component of feed efficiency when estimating residual feed intake
(RFI). Quantile regression (QR) methodology can be used to identify animals with different …
(RFI). Quantile regression (QR) methodology can be used to identify animals with different …
Bayesian analysis of the effect of selection for residual feed intake on growth and feed intake curves in Yorkshire swine
W Cai, MS Kaiser, JCM Dekkers - Journal of animal science, 2012 - academic.oup.com
Gompertz growth functions were fitted to longitudinal measurements of daily feed intake
(DFI) and BW of 586 boars and 495 gilts from a selection experiment in Yorkshire pigs for …
(DFI) and BW of 586 boars and 495 gilts from a selection experiment in Yorkshire pigs for …
Genetic analysis of longitudinal measurements of performance traits in selection lines for residual feed intake in Yorkshire swine
W Cai, MS Kaiser, JCM Dekkers - Journal of animal science, 2011 - academic.oup.com
ABSTRACT A 5-generation selection experiment in Yorkshire pigs for feed efficiency
consists of a line selected for low residual feed intake (LRFI) and a random control line …
consists of a line selected for low residual feed intake (LRFI) and a random control line …
Variogram investigation of covariance shape within longitudinal data with possible use of a krigeage technique as an interpolation tool: Sheep growth data as an …
A Chalh, M El Gazzah - Irish Journal of Agricultural and Food Research, 2014 - JSTOR
Most quantitative traits considered in livestock evolve over time and several continuous
functions have been proposed to model this change. For individual records (longitudinal …
functions have been proposed to model this change. For individual records (longitudinal …
The use of multiple imputation for the accurate measurements of individual feed intake by electronic feeders
Obtaining accurate individual feed intake records is the key first step in achieving genetic
progress toward more efficient nutrient utilization in pigs. Feed intake records collected by …
progress toward more efficient nutrient utilization in pigs. Feed intake records collected by …
How to improve breeding value prediction for feed conversion ratio in the case of incomplete longitudinal body weights
VHH Tran, H Gilbert, I David - Journal of Animal Science, 2017 - academic.oup.com
With the development of automatic self-feeders, repeated measurements of feed intake are
becoming easier in an increasing number of species. However, the corresponding BW are …
becoming easier in an increasing number of species. However, the corresponding BW are …
Optimizing pig marketing decisions under price fluctuations
In the manufacturing of fattening pigs, pig marketing refers to a sequence of culling
decisions until the production unit is empty. The profit of a production unit is highly …
decisions until the production unit is empty. The profit of a production unit is highly …
Effects of genotype and sex on predicted feed intake and performance of a growing pig
S Yoosuk, HB Ong, SW Roan, CA Morgan… - … , Section A–Animal …, 2012 - Taylor & Francis
A simulation model for predicting the voluntary feed intake (VFI) of a growing pig is
presented. Five parameters were used to describe the effects of pig genotype and sex based …
presented. Five parameters were used to describe the effects of pig genotype and sex based …