Impact of dietary inclusion of clinoptilolite as substitute of soybean meal on growth performance, dietary energetics and carcass traits of feedlot ewes fed a corn-based diet

ABSTRACT: Forty ewes (31.725±1.44 kg initial LW) were used to evaluate the effects of clinoptilolite (ZEOL) supplementation (0, 1, 2, and 3%, DM basis of diet) as substitute of soybean meal (SBM) in a finishing corn-based diet on growth performance, dietary energetics, and carcass traits. The experi...

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Autores principales:	Estrada-Angulo,Alfredo, Urías-Estrada,Jesús D., Castro-Pérez,Beatriz I., Contreras-Pérez,Germán, Angulo-Montoya,Claudio, Barreras,Alberto, López-Soto,María A., Olivas-Valdez,José A., Plascencia,Alejandro
Lenguaje:	English
Publicado:	Universidad Austral de Chile. Facultad de Ciencias Veterinarias 2017
Materias:	clay lambs efficiency visceral finishing
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0719-81322017000200123
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spelling	oai:scielo:S0719-813220170002001232017-11-14Impact of dietary inclusion of clinoptilolite as substitute of soybean meal on growth performance, dietary energetics and carcass traits of feedlot ewes fed a corn-based dietEstrada-Angulo,AlfredoUrías-Estrada,Jesús D.Castro-Pérez,Beatriz I.Contreras-Pérez,GermánAngulo-Montoya,ClaudioBarreras,AlbertoLópez-Soto,María A.Olivas-Valdez,José A.Plascencia,Alejandro clay lambs efficiency visceral finishing ABSTRACT: Forty ewes (31.725±1.44 kg initial LW) were used to evaluate the effects of clinoptilolite (ZEOL) supplementation (0, 1, 2, and 3%, DM basis of diet) as substitute of soybean meal (SBM) in a finishing corn-based diet on growth performance, dietary energetics, and carcass traits. The experiment lasted 56 days. For each percentage of substitution of SBM by ZEOL, the crude protein and net energy (NE) of basal diet were decreased in 0.37 percentage units and 0.02 Mcal/kg, respectively. There were no treatment effects (P>0.27) on average daily gain (ADG), dry matter intake (DMI), and gain efficiency (ADG/DMI). Dietary NE was not affected by ZEOL supplementation (P≥0.69). However, due to the inertness (it does not provide energy) of ZEOL, itself, the ratio of observed-to-expected dietary NE linearly increased (P=0.02) and the ratio of observed-to-expected DMI linearly decreased (P=0.02) with ZEOL supplementation. Clinoptilolite supplementation linearly decreased fat thickness (P=0.02) and visceral fat (P=0.03) with no effects (P≥0.12) on other carcass measures or the organ tissue weights (as proportion of g/kg of empty body weight). Dilution of CP and dietary NE by substitution of SBM by zeolite up to 3% did not negatively affect growth performance and carcass traits. This result suggests that the inclusion of up to 3% of clinoptilolite in substitution of a high protein source (SBM) on finishing diets has a positive effect on the utilization of dietary energy.info:eu-repo/semantics/openAccessUniversidad Austral de Chile. Facultad de Ciencias VeterinariasAustral journal of veterinary sciences v.49 n.2 20172017-05-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0719-81322017000200123en10.4067/S0719-81322017000200123
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	clay lambs efficiency visceral finishing
spellingShingle	clay lambs efficiency visceral finishing Estrada-Angulo,Alfredo Urías-Estrada,Jesús D. Castro-Pérez,Beatriz I. Contreras-Pérez,Germán Angulo-Montoya,Claudio Barreras,Alberto López-Soto,María A. Olivas-Valdez,José A. Plascencia,Alejandro Impact of dietary inclusion of clinoptilolite as substitute of soybean meal on growth performance, dietary energetics and carcass traits of feedlot ewes fed a corn-based diet
description	ABSTRACT: Forty ewes (31.725±1.44 kg initial LW) were used to evaluate the effects of clinoptilolite (ZEOL) supplementation (0, 1, 2, and 3%, DM basis of diet) as substitute of soybean meal (SBM) in a finishing corn-based diet on growth performance, dietary energetics, and carcass traits. The experiment lasted 56 days. For each percentage of substitution of SBM by ZEOL, the crude protein and net energy (NE) of basal diet were decreased in 0.37 percentage units and 0.02 Mcal/kg, respectively. There were no treatment effects (P>0.27) on average daily gain (ADG), dry matter intake (DMI), and gain efficiency (ADG/DMI). Dietary NE was not affected by ZEOL supplementation (P≥0.69). However, due to the inertness (it does not provide energy) of ZEOL, itself, the ratio of observed-to-expected dietary NE linearly increased (P=0.02) and the ratio of observed-to-expected DMI linearly decreased (P=0.02) with ZEOL supplementation. Clinoptilolite supplementation linearly decreased fat thickness (P=0.02) and visceral fat (P=0.03) with no effects (P≥0.12) on other carcass measures or the organ tissue weights (as proportion of g/kg of empty body weight). Dilution of CP and dietary NE by substitution of SBM by zeolite up to 3% did not negatively affect growth performance and carcass traits. This result suggests that the inclusion of up to 3% of clinoptilolite in substitution of a high protein source (SBM) on finishing diets has a positive effect on the utilization of dietary energy.
author	Estrada-Angulo,Alfredo Urías-Estrada,Jesús D. Castro-Pérez,Beatriz I. Contreras-Pérez,Germán Angulo-Montoya,Claudio Barreras,Alberto López-Soto,María A. Olivas-Valdez,José A. Plascencia,Alejandro
author_facet	Estrada-Angulo,Alfredo Urías-Estrada,Jesús D. Castro-Pérez,Beatriz I. Contreras-Pérez,Germán Angulo-Montoya,Claudio Barreras,Alberto López-Soto,María A. Olivas-Valdez,José A. Plascencia,Alejandro
author_sort	Estrada-Angulo,Alfredo
title	Impact of dietary inclusion of clinoptilolite as substitute of soybean meal on growth performance, dietary energetics and carcass traits of feedlot ewes fed a corn-based diet
title_short	Impact of dietary inclusion of clinoptilolite as substitute of soybean meal on growth performance, dietary energetics and carcass traits of feedlot ewes fed a corn-based diet
title_full	Impact of dietary inclusion of clinoptilolite as substitute of soybean meal on growth performance, dietary energetics and carcass traits of feedlot ewes fed a corn-based diet
title_fullStr	Impact of dietary inclusion of clinoptilolite as substitute of soybean meal on growth performance, dietary energetics and carcass traits of feedlot ewes fed a corn-based diet
title_full_unstemmed	Impact of dietary inclusion of clinoptilolite as substitute of soybean meal on growth performance, dietary energetics and carcass traits of feedlot ewes fed a corn-based diet
title_sort	impact of dietary inclusion of clinoptilolite as substitute of soybean meal on growth performance, dietary energetics and carcass traits of feedlot ewes fed a corn-based diet
publisher	Universidad Austral de Chile. Facultad de Ciencias Veterinarias
publishDate	2017
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0719-81322017000200123
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Impact of dietary inclusion of clinoptilolite as substitute of soybean meal on growth performance, dietary energetics and carcass traits of feedlot ewes fed a corn-based diet

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