Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steers

Autores
Salem, A. Z. M.; Gado, H. M.; Colombatto, Dario; Elghandour, M. M. Y.
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Forty crossbred steers (Baladi×Friesian, average BW 153±5.14kg) were used to evaluate the effects of exogenous enzyme (ENZ) addition on nutrient intake, digestion, ruminal fermentation and feed conversion in beef steers. Steers were randomly assigned to two groups of 20 animals and fed individually a total mixed ration (TMR) without (CTRL) or with addition of 40g/hd/d of an enzyme mixture (ZADO®). The ENZ mixture was added for 220 days and in vivo apparent digestibility was measured on days 210-220. Enzyme addition did not affect (P=0.1) DM intake, whereas it increased (P<0.05) total tract apparent digestibility of all nutrients. The magnitude of improvement in digestibility varied among nutrients, with the highest improvement occurring in digestibility of NDF and ADF (21.8% and 26.7%, respectively). Addition of ENZ also increased (P<0.05) concentrations of rumen ammonia N and total short chain fatty acids (SCFA) before and 3h post-feeding. Allantoin concentration total purine derivates were increased (P=0.04) with enzyme addition while uric acid was not affected (P=0.05). Live-weight gain was also higher (P<0.01) in steers supplemented with ENZ. In conclusion, adding the exogenous enzyme product increased live-weight gain by 16% due to increased nutrient digestibility.
Fil: Salem, A. Z. M.. Universidad Autónoma del Estado de México; México. Alexandria University; Egipto
Fil: Gado, H. M.. Ain Shams University; Egipto
Fil: Colombatto, Dario. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Animal; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Elghandour, M. M. Y.. Universidad Autónoma del Estado de México; México
Materia
DIGESTIBILITY
ENZYMES
LIVE-WEIGHT GAIN
PURINE DERIVATES
STEERS
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/84529
Acceder
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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steersSalem, A. Z. M.Gado, H. M.Colombatto, DarioElghandour, M. M. Y.DIGESTIBILITYENZYMESLIVE-WEIGHT GAINPURINE DERIVATESSTEERShttps://purl.org/becyt/ford/4.2https://purl.org/becyt/ford/4Forty crossbred steers (Baladi×Friesian, average BW 153±5.14kg) were used to evaluate the effects of exogenous enzyme (ENZ) addition on nutrient intake, digestion, ruminal fermentation and feed conversion in beef steers. Steers were randomly assigned to two groups of 20 animals and fed individually a total mixed ration (TMR) without (CTRL) or with addition of 40g/hd/d of an enzyme mixture (ZADO®). The ENZ mixture was added for 220 days and in vivo apparent digestibility was measured on days 210-220. Enzyme addition did not affect (P=0.1) DM intake, whereas it increased (P<0.05) total tract apparent digestibility of all nutrients. The magnitude of improvement in digestibility varied among nutrients, with the highest improvement occurring in digestibility of NDF and ADF (21.8% and 26.7%, respectively). Addition of ENZ also increased (P<0.05) concentrations of rumen ammonia N and total short chain fatty acids (SCFA) before and 3h post-feeding. Allantoin concentration total purine derivates were increased (P=0.04) with enzyme addition while uric acid was not affected (P=0.05). Live-weight gain was also higher (P<0.01) in steers supplemented with ENZ. In conclusion, adding the exogenous enzyme product increased live-weight gain by 16% due to increased nutrient digestibility.Fil: Salem, A. Z. M.. Universidad Autónoma del Estado de México; México. Alexandria University; EgiptoFil: Gado, H. M.. Ain Shams University; EgiptoFil: Colombatto, Dario. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Animal; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Elghandour, M. M. Y.. Universidad Autónoma del Estado de México; MéxicoElsevier Science2013-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/84529Salem, A. Z. M.; Gado, H. M.; Colombatto, Dario; Elghandour, M. M. Y.; Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steers; Elsevier Science; Livestock Science; 154; 1-3; 6-2013; 69-731871-1413CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.livsci.2013.02.014info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1871141313001066info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:55:11Zoai:ri.conicet.gov.ar:11336/84529instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:55:12.099CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steers
title Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steers
spellingShingle Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steers
Salem, A. Z. M.
DIGESTIBILITY
ENZYMES
LIVE-WEIGHT GAIN
PURINE DERIVATES
STEERS
title_short Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steers
title_full Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steers
title_fullStr Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steers
title_full_unstemmed Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steers
title_sort Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steers
dc.creator.none.fl_str_mv Salem, A. Z. M.
Gado, H. M.
Colombatto, Dario
Elghandour, M. M. Y.
author Salem, A. Z. M.
author_facet Salem, A. Z. M.
Gado, H. M.
Colombatto, Dario
Elghandour, M. M. Y.
author_role author
author2 Gado, H. M.
Colombatto, Dario
Elghandour, M. M. Y.
author2_role author
author
author
dc.subject.none.fl_str_mv DIGESTIBILITY
ENZYMES
LIVE-WEIGHT GAIN
PURINE DERIVATES
STEERS
topic DIGESTIBILITY
ENZYMES
LIVE-WEIGHT GAIN
PURINE DERIVATES
STEERS
purl_subject.fl_str_mv https://purl.org/becyt/ford/4.2
https://purl.org/becyt/ford/4
dc.description.none.fl_txt_mv Forty crossbred steers (Baladi×Friesian, average BW 153±5.14kg) were used to evaluate the effects of exogenous enzyme (ENZ) addition on nutrient intake, digestion, ruminal fermentation and feed conversion in beef steers. Steers were randomly assigned to two groups of 20 animals and fed individually a total mixed ration (TMR) without (CTRL) or with addition of 40g/hd/d of an enzyme mixture (ZADO®). The ENZ mixture was added for 220 days and in vivo apparent digestibility was measured on days 210-220. Enzyme addition did not affect (P=0.1) DM intake, whereas it increased (P<0.05) total tract apparent digestibility of all nutrients. The magnitude of improvement in digestibility varied among nutrients, with the highest improvement occurring in digestibility of NDF and ADF (21.8% and 26.7%, respectively). Addition of ENZ also increased (P<0.05) concentrations of rumen ammonia N and total short chain fatty acids (SCFA) before and 3h post-feeding. Allantoin concentration total purine derivates were increased (P=0.04) with enzyme addition while uric acid was not affected (P=0.05). Live-weight gain was also higher (P<0.01) in steers supplemented with ENZ. In conclusion, adding the exogenous enzyme product increased live-weight gain by 16% due to increased nutrient digestibility.
Fil: Salem, A. Z. M.. Universidad Autónoma del Estado de México; México. Alexandria University; Egipto
Fil: Gado, H. M.. Ain Shams University; Egipto
Fil: Colombatto, Dario. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Animal; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Elghandour, M. M. Y.. Universidad Autónoma del Estado de México; México
description Forty crossbred steers (Baladi×Friesian, average BW 153±5.14kg) were used to evaluate the effects of exogenous enzyme (ENZ) addition on nutrient intake, digestion, ruminal fermentation and feed conversion in beef steers. Steers were randomly assigned to two groups of 20 animals and fed individually a total mixed ration (TMR) without (CTRL) or with addition of 40g/hd/d of an enzyme mixture (ZADO®). The ENZ mixture was added for 220 days and in vivo apparent digestibility was measured on days 210-220. Enzyme addition did not affect (P=0.1) DM intake, whereas it increased (P<0.05) total tract apparent digestibility of all nutrients. The magnitude of improvement in digestibility varied among nutrients, with the highest improvement occurring in digestibility of NDF and ADF (21.8% and 26.7%, respectively). Addition of ENZ also increased (P<0.05) concentrations of rumen ammonia N and total short chain fatty acids (SCFA) before and 3h post-feeding. Allantoin concentration total purine derivates were increased (P=0.04) with enzyme addition while uric acid was not affected (P=0.05). Live-weight gain was also higher (P<0.01) in steers supplemented with ENZ. In conclusion, adding the exogenous enzyme product increased live-weight gain by 16% due to increased nutrient digestibility.
publishDate 2013
dc.date.none.fl_str_mv 2013-06
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/84529
Salem, A. Z. M.; Gado, H. M.; Colombatto, Dario; Elghandour, M. M. Y.; Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steers; Elsevier Science; Livestock Science; 154; 1-3; 6-2013; 69-73
1871-1413
CONICET Digital
CONICET
url http://hdl.handle.net/11336/84529
identifier_str_mv Salem, A. Z. M.; Gado, H. M.; Colombatto, Dario; Elghandour, M. M. Y.; Effects of exogenous enzymes on nutrient digestibility, ruminal fermentation and growth performance in beef steers; Elsevier Science; Livestock Science; 154; 1-3; 6-2013; 69-73
1871-1413
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.livsci.2013.02.014
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1871141313001066
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science
publisher.none.fl_str_mv Elsevier Science
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1844613665822605312
score 13.070432

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