2014
DOI: 10.2527/jas.2014-7643
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Abstract: The impact of moving from conventional to precision feeding systems in growing-finishing pig operations on animal performance, nutrient utilization, and body and carcass composition was studied. Fifteen animals per treatment for a total of 60 pigs of 41.2 (SE = 0.5) kg of BW were used in a performance trial (84 d) with 4 treatments: a 3-phase (3P) feeding program obtained by blending fixed proportions of feeds A (high nutrient density) and B (low nutrient density); a 3-phase commercial (COM) feeding program; a… Show more

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Cited by 63 publications
(61 citation statements)
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“…The maximum intraday CV was 32.3% (on day 82) and the minimum was 9.7% (on day 25), for an overall average of 20.3%. These values are similar to those observed in a previous trial (with same duration and equivalent BW range) that found that the average intraday range for SID lysine requirements was 16.7 g and that the CV for the estimated SID lysine requirements increased during the trial, from 16% in the first feeding phase to 22% in the second phase and 28% in the last phase (Andretta et al, 2014).…”
Section: Resultssupporting
confidence: 79%
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“…The maximum intraday CV was 32.3% (on day 82) and the minimum was 9.7% (on day 25), for an overall average of 20.3%. These values are similar to those observed in a previous trial (with same duration and equivalent BW range) that found that the average intraday range for SID lysine requirements was 16.7 g and that the CV for the estimated SID lysine requirements increased during the trial, from 16% in the first feeding phase to 22% in the second phase and 28% in the last phase (Andretta et al, 2014).…”
Section: Resultssupporting
confidence: 79%
“…Pomar et al, 2003, cited by NRC, 2012. The amount of SID lysine consumed per kilogram of BW gain by the 3P pigs during the entire trial was 21.4 g/kg, which is the same consumed by the control treatment group in a previous experiment (Andretta et al, 2014), close to the 22.4 g/kg Treatment effect (T ). Statistical models also included: period (P ), interaction treatment × period (T × P ), sex (S ), interaction treatment × sex (T × S ), interaction period × sex (P × S ) and interaction treatment × period × sex (T × P × S ) per variable.…”
Section: Resultsmentioning
confidence: 91%
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