Effect of selection for residual feed intake on feeding behavior and daily feed intake patterns in Yorkshire swine1

2011 ◽  
Vol 89 (3) ◽  
pp. 639-647 ◽  
Author(s):  
J. M. Young ◽  
W. Cai ◽  
J. C. M. Dekkers
Keyword(s):  
Feeding Behavior ◽  
Feed Intake ◽  
Residual Feed Intake ◽  
Selection For

The effect of selection for residual feed intake on general behavioral activity and the occurrence of lesions in Yorkshire gilts1

2011 ◽  
Vol 89 (1) ◽  
pp. 258-266 ◽  
Author(s):  
L. J. Sadler ◽  
A. K. Johnson ◽  
S. M. Lonergan ◽  
D. Nettleton ◽  
J. C. M. Dekkers
Keyword(s):  
Feed Intake ◽  
Residual Feed Intake ◽  
Behavioral Activity ◽  
Selection For

230 Effect of divergent selection for residual feed intake on whole body protein turnover in growing gilts fed either adequate or lysine deficient diets

2016 ◽  
Vol 94 (suppl_2) ◽  
pp. 108-109 ◽  
Author(s):  
D. J. Hewitt ◽  
C. F. M. de Lange ◽  
T. Antonick ◽  
J. C. M. Dekkers ◽  
A. R. Pendleton ◽  
...  
Keyword(s):  
Feed Intake ◽  
Protein Turnover ◽  
Residual Feed Intake ◽  
Divergent Selection ◽  
Whole Body ◽  
Body Protein ◽  
Selection For

scholarly journals Impact of selection for residual feed intake on production traits and behavior of mule ducks

2016 ◽  
Vol 95 (9) ◽  
pp. 1999-2010 ◽  
Author(s):  
L. Drouilhet ◽  
R. Monteville ◽  
C. Molette ◽  
M. Lague ◽  
A. Cornuez ◽  
...  
Keyword(s):  
Feed Intake ◽  
Residual Feed Intake ◽  
Production Traits ◽  
Selection For ◽  
And Behavior

Effect of diet and selection for residual feed intake on sensory quality and postmortem proteolysis of pork loin

Meat Science ◽  
2015 ◽  
Vol 101 ◽  
pp. 123
Author(s):  
E.K. Arkfeld ◽  
J.E. Berger ◽  
E.R. Hamman ◽  
J.M. Young ◽  
R.C. Johnson ◽  
...  
Keyword(s):  
Feed Intake ◽  
Sensory Quality ◽  
Residual Feed Intake ◽  
Pork Loin ◽  
Selection For

scholarly journals Selection for Residual Feed Intake Alters the Protein Profile of the Mitochondria in Pigs

2014 ◽  
Author(s):  
Kyle Grubbs ◽  
Nicholas K. Gabler ◽  
Jack C. M. Dekkers ◽  
Elisabeth J. Huff-Lonergan ◽  
Steven M. Lonergan
Keyword(s):  
Feed Intake ◽  
Protein Profile ◽  
Residual Feed Intake ◽  
Selection For

scholarly journals The Effect of Selection for Residual Feed Intake on Scale Activity in Yorkshire Gilts

2011 ◽  
Author(s):  
Larry J. Sadler ◽  
Anna K. Johnson ◽  
Jennifer Young ◽  
Steven M. Lonergan ◽  
Jack C.M. Dekkers ◽  
...  
Keyword(s):  
Feed Intake ◽  
Residual Feed Intake ◽  
Selection For

scholarly journals Association between residual feed intake and enteric methane emissions in Hereford steers

2018 ◽  
Vol 3 (1) ◽  
pp. 239-246 ◽  
Author(s):  
Yoana Dini ◽  
Cecilia Cajarville ◽  
José I Gere ◽  
Sofía Fernandez ◽  
Martín Fraga ◽  
...  
Keyword(s):  
Feeding Behavior ◽  
Methane Emission ◽  
Feed Intake ◽  
Sulfur Hexafluoride ◽  
Quantitative Polymerase Chain Reaction ◽  
Daily Intake ◽  
Residual Feed Intake ◽  
Live Weight ◽  
Repeated Measurements ◽  
Ch4 Production

Abstract The objective of this study was to quantify the emissions of enteric CH4 from growing Hereford steers raised under feedlot conditions based on contrasting levels of residual feed intake (RFI). A repeated measurements experiment was conducted over 20 d to determine CH4 production from two groups of nine Hereford steers, with contrasting RFI values (mean ± SD): low RFI (LRFI group; −0.78 ± 0.22 kg DMI/d) vs. high RFI (HRFI group; 0.83 ± 0.34 kg DMI/d). Steers were selected from a larger contemporary population in which the RFI was evaluated. Steers were maintained under confined conditions with ad libitum access to water and feed, comprising a total mixed ration of 55% sorghum silage, 21% barley silage, 21% corn grain, and 3% protein–mineral–vitamin–premix, provided twice a day. Before the beginning of CH4 measurements, the live weight of both groups of animals was determined, which on average (±SEM) was 357.0 ± 5.11 and 334.0 ± 10.17 kg in the LRFI and HRFI groups, respectively. Methane emission (g/d) was measured on each animal with the sulfur hexafluoride (SF6) tracer technique, during two consecutive periods of 5 d. Individual daily intake and feeding behavior characteristics were measured using a GrowSafe automated feeding system (Model 6000, GrowSafe Systems Ltd, Airdrie, Alberta, Canada). Methanogens in the ruminal content were quantified using quantitative polymerase chain reaction with primers targeting the mcrA gene. Methane emission was near 27% lower in animals with LRFI when expressed in absolute terms (g/d; 26.8%; P = 0.009), by unit of dry matter intake (g CH4/kg; 27.9%, P = 0.021), or as % of gross energy intake (26.7%; P = 0.027). These differences could not be explained by differences in amount of total of methanogens (average = 9.82 log10 units; P = 0.857). However, there were some differences in animal feeding behavior that could explain these differences (e.g., LRFI animals tended to spend less time in feeders). Our results suggest that, in Hereford steers, the selection by RFI values is a promising mitigation strategy for the reduction of the emission of enteric CH4.

Sign in / Sign up

Export Citation Format

Share Document