Ruminal pH and temperature, papilla characteristics, and animal performance of fattening calves fed concentrate or maize silage-based diets

Feeding systems can play an important role, not only in beef farm profitability but also in animal health and performance. Fourteen Avilena-Negra Iberica bulls, with an initial weight of 270 kg (SE 22.6 kg) and aged 223 d (SE 16.2) were used to study the effect of two feeding systems on ruminal pH a...

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Autores principales:	Bodas,Raúl, Posado,Raquel, Bartolomé,Daniel José, Tabernero de Paz,Maria José, Herráiz,Pedro, Rebollo,Eduardo, Gomez,Luis Jesús, Garcia,Juan José
Lenguaje:	English
Publicado:	Instituto de Investigaciones Agropecuarias, INIA 2014
Materias:	Acidosis feeding system monitoring rumen total mixed ration
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392014000300005
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spelling	oai:scielo:S0718-583920140003000052018-10-01Ruminal pH and temperature, papilla characteristics, and animal performance of fattening calves fed concentrate or maize silage-based dietsBodas,RaúlPosado,RaquelBartolomé,Daniel JoséTabernero de Paz,Maria JoséHerráiz,PedroRebollo,EduardoGomez,Luis JesúsGarcia,Juan José Acidosis feeding system monitoring rumen total mixed ration Feeding systems can play an important role, not only in beef farm profitability but also in animal health and performance. Fourteen Avilena-Negra Iberica bulls, with an initial weight of 270 kg (SE 22.6 kg) and aged 223 d (SE 16.2) were used to study the effect of two feeding systems on ruminal pH and temperature and animal performance when calves were kept in loose housing conditions. Feeding systems were barley (Hordeum vulgare L.) grain-based concentrate plus barley straw (CONC) and maize (Zea mays L.) silage-based total mixed ration (TMR). Internal wireless boluses were used to collect pH and temperature values every 10 min throughout the measurement period (15 d). Diet did not modify (P > 0.10) average daily gain, carcass weight, dressing percentage, ruminal mucosa color, or papilla counts. Papilla width and papilla width/lamina propria thickness were significantly lower (P < 0.05) in TMR than in CONC animals. Time spent below ruminal pH thresholds of 7.0, 6.6, 6.2, and 5.8 and the corresponding areas under the curve were higher (P < 0.05) for animals fed under the TMR system. No significant changes were observed between experimental treatments in parameters related to ruminal temperature or estimated number of times that the animals were drinking during the day (P > 0.10). Although animal performance is not affected, feeding fattening calves on a concentrate plus barley straw diet can result in better rumen conditions than using maize silage-based TMR.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.74 n.3 20142014-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392014000300005en10.4067/S0718-58392014000300005
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Acidosis feeding system monitoring rumen total mixed ration
spellingShingle	Acidosis feeding system monitoring rumen total mixed ration Bodas,Raúl Posado,Raquel Bartolomé,Daniel José Tabernero de Paz,Maria José Herráiz,Pedro Rebollo,Eduardo Gomez,Luis Jesús Garcia,Juan José Ruminal pH and temperature, papilla characteristics, and animal performance of fattening calves fed concentrate or maize silage-based diets
description	Feeding systems can play an important role, not only in beef farm profitability but also in animal health and performance. Fourteen Avilena-Negra Iberica bulls, with an initial weight of 270 kg (SE 22.6 kg) and aged 223 d (SE 16.2) were used to study the effect of two feeding systems on ruminal pH and temperature and animal performance when calves were kept in loose housing conditions. Feeding systems were barley (Hordeum vulgare L.) grain-based concentrate plus barley straw (CONC) and maize (Zea mays L.) silage-based total mixed ration (TMR). Internal wireless boluses were used to collect pH and temperature values every 10 min throughout the measurement period (15 d). Diet did not modify (P > 0.10) average daily gain, carcass weight, dressing percentage, ruminal mucosa color, or papilla counts. Papilla width and papilla width/lamina propria thickness were significantly lower (P < 0.05) in TMR than in CONC animals. Time spent below ruminal pH thresholds of 7.0, 6.6, 6.2, and 5.8 and the corresponding areas under the curve were higher (P < 0.05) for animals fed under the TMR system. No significant changes were observed between experimental treatments in parameters related to ruminal temperature or estimated number of times that the animals were drinking during the day (P > 0.10). Although animal performance is not affected, feeding fattening calves on a concentrate plus barley straw diet can result in better rumen conditions than using maize silage-based TMR.
author	Bodas,Raúl Posado,Raquel Bartolomé,Daniel José Tabernero de Paz,Maria José Herráiz,Pedro Rebollo,Eduardo Gomez,Luis Jesús Garcia,Juan José
author_facet	Bodas,Raúl Posado,Raquel Bartolomé,Daniel José Tabernero de Paz,Maria José Herráiz,Pedro Rebollo,Eduardo Gomez,Luis Jesús Garcia,Juan José
author_sort	Bodas,Raúl
title	Ruminal pH and temperature, papilla characteristics, and animal performance of fattening calves fed concentrate or maize silage-based diets
title_short	Ruminal pH and temperature, papilla characteristics, and animal performance of fattening calves fed concentrate or maize silage-based diets
title_full	Ruminal pH and temperature, papilla characteristics, and animal performance of fattening calves fed concentrate or maize silage-based diets
title_fullStr	Ruminal pH and temperature, papilla characteristics, and animal performance of fattening calves fed concentrate or maize silage-based diets
title_full_unstemmed	Ruminal pH and temperature, papilla characteristics, and animal performance of fattening calves fed concentrate or maize silage-based diets
title_sort	ruminal ph and temperature, papilla characteristics, and animal performance of fattening calves fed concentrate or maize silage-based diets
publisher	Instituto de Investigaciones Agropecuarias, INIA
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392014000300005
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Ruminal pH and temperature, papilla characteristics, and animal performance of fattening calves fed concentrate or maize silage-based diets

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