Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers

Background: Exogenous enzyme supplementation is an effective and cost-saving mechanism for increasing the availability of dietary nutrients by increasing digestion and reducing excretion. Objective: To evaluate the effects of phytase supplementation on performance, egg quality, and economic paramete...
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Autor*in:	Fabricia A Roque [verfasserIn] Priscila S Zorzetto [verfasserIn] Brunna G S Leite [verfasserIn] Carlos A Granghelli [verfasserIn] Jane C Gonçalves [verfasserIn] Nury A C R Garcia [verfasserIn] Nick Wen [verfasserIn] Ulisses R T Moraes [verfasserIn] Cristiane S S Araújo [verfasserIn] Lúcio F Araújo [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	antinutritional factors calcium egg mass egg production egg quality enzyme feed cost laying hens layers phosphorus phytase reduced-nutrient diets

Übergeordnetes Werk:	In: Revista Colombiana de Ciencias Pecuarias - Universidad de Antioquia, 2019, 36(2023), 3, Seite 121-130
Übergeordnetes Werk:	volume:36 ; year:2023 ; number:3 ; pages:121-130

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.17533/udea.rccp.v36n3a1

Katalog-ID:	DOAJ099014769

Internformat


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520			\|a Background: Exogenous enzyme supplementation is an effective and cost-saving mechanism for increasing the availability of dietary nutrients by increasing digestion and reducing excretion. Objective: To evaluate the effects of phytase supplementation on performance, egg quality, and economic parameters in commercial laying hens fed reduced-nutrient diets from 70 weeks of age. Methods: Novogen White® commercial laying hens (n=256) were randomly allocated to four treatment groups, with eight replicates of eight hens in each group: PC (positive control): conventional diet not supplemented with phytase; diet with reduced levels (RN) of P (-0.12%), Ca (-0.10%), and ME (-14 kcal/kg), and supplemented with 300 phytase units (FTU/kg; RN300FTU); diet with reduced levels of P (-0.16%), Ca (-0.13%), ME (-18 kcal/kg), CP (-8%), synthetic amino acids (-0.01%), and supplemented with 600 FTU phytase/kg (RN600FTU); and diet with reduced levels of P (-0.18% P), Ca (-0.15%), ME (-20 kcal/kg), CP (-20%), synthetic amino acids (-0.01%), and supplemented with 900 FTU phytase/kg (RN900FTU). Results: The layers fed the RN300FTU diet had 2.68% higher egg production than those fed the PC diet. Egg mass produced by PC- and RN300FTU-fed hens was statistically similar. Eggshell thickness was increased in PC-fed hens. Feed cost for the RN900FTU diet was approximately 9% lower compared with that of the PC diet. Conclusion: The best performance and economic results were achieved when layers were fed a reduced-nutrient diet supplemented with 300 FTU phytase.
650		4	\|a antinutritional factors
650		4	\|a calcium
650		4	\|a egg mass
650		4	\|a egg production
650		4	\|a egg quality
650		4	\|a enzyme
650		4	\|a feed cost
650		4	\|a laying hens
650		4	\|a layers
650		4	\|a phosphorus
650		4	\|a phytase
650		4	\|a reduced-nutrient diets
653		0	\|a Animal culture
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700	0		\|a Cristiane S S Araújo \|e verfasserin \|4 aut
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allfields	10.17533/udea.rccp.v36n3a1 doi (DE-627)DOAJ099014769 (DE-599)DOAJd4757d781c1842e99842830a4b0893f6 DE-627 ger DE-627 rakwb eng SF1-1100 Fabricia A Roque verfasserin aut Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Exogenous enzyme supplementation is an effective and cost-saving mechanism for increasing the availability of dietary nutrients by increasing digestion and reducing excretion. Objective: To evaluate the effects of phytase supplementation on performance, egg quality, and economic parameters in commercial laying hens fed reduced-nutrient diets from 70 weeks of age. Methods: Novogen White® commercial laying hens (n=256) were randomly allocated to four treatment groups, with eight replicates of eight hens in each group: PC (positive control): conventional diet not supplemented with phytase; diet with reduced levels (RN) of P (-0.12%), Ca (-0.10%), and ME (-14 kcal/kg), and supplemented with 300 phytase units (FTU/kg; RN300FTU); diet with reduced levels of P (-0.16%), Ca (-0.13%), ME (-18 kcal/kg), CP (-8%), synthetic amino acids (-0.01%), and supplemented with 600 FTU phytase/kg (RN600FTU); and diet with reduced levels of P (-0.18% P), Ca (-0.15%), ME (-20 kcal/kg), CP (-20%), synthetic amino acids (-0.01%), and supplemented with 900 FTU phytase/kg (RN900FTU). Results: The layers fed the RN300FTU diet had 2.68% higher egg production than those fed the PC diet. Egg mass produced by PC- and RN300FTU-fed hens was statistically similar. Eggshell thickness was increased in PC-fed hens. Feed cost for the RN900FTU diet was approximately 9% lower compared with that of the PC diet. Conclusion: The best performance and economic results were achieved when layers were fed a reduced-nutrient diet supplemented with 300 FTU phytase. antinutritional factors calcium egg mass egg production egg quality enzyme feed cost laying hens layers phosphorus phytase reduced-nutrient diets Animal culture Priscila S Zorzetto verfasserin aut Brunna G S Leite verfasserin aut Carlos A Granghelli verfasserin aut Jane C Gonçalves verfasserin aut Nury A C R Garcia verfasserin aut Nick Wen verfasserin aut Ulisses R T Moraes verfasserin aut Cristiane S S Araújo verfasserin aut Lúcio F Araújo verfasserin aut In Revista Colombiana de Ciencias Pecuarias Universidad de Antioquia, 2019 36(2023), 3, Seite 121-130 (DE-627)513879315 (DE-600)2240056-4 22562958 nnns volume:36 year:2023 number:3 pages:121-130 https://doi.org/10.17533/udea.rccp.v36n3a1 kostenfrei https://doaj.org/article/d4757d781c1842e99842830a4b0893f6 kostenfrei https://revistas.udea.edu.co/index.php/rccp/article/view/352416 kostenfrei https://doaj.org/toc/2256-2958 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 36 2023 3 121-130
spelling	10.17533/udea.rccp.v36n3a1 doi (DE-627)DOAJ099014769 (DE-599)DOAJd4757d781c1842e99842830a4b0893f6 DE-627 ger DE-627 rakwb eng SF1-1100 Fabricia A Roque verfasserin aut Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Exogenous enzyme supplementation is an effective and cost-saving mechanism for increasing the availability of dietary nutrients by increasing digestion and reducing excretion. Objective: To evaluate the effects of phytase supplementation on performance, egg quality, and economic parameters in commercial laying hens fed reduced-nutrient diets from 70 weeks of age. Methods: Novogen White® commercial laying hens (n=256) were randomly allocated to four treatment groups, with eight replicates of eight hens in each group: PC (positive control): conventional diet not supplemented with phytase; diet with reduced levels (RN) of P (-0.12%), Ca (-0.10%), and ME (-14 kcal/kg), and supplemented with 300 phytase units (FTU/kg; RN300FTU); diet with reduced levels of P (-0.16%), Ca (-0.13%), ME (-18 kcal/kg), CP (-8%), synthetic amino acids (-0.01%), and supplemented with 600 FTU phytase/kg (RN600FTU); and diet with reduced levels of P (-0.18% P), Ca (-0.15%), ME (-20 kcal/kg), CP (-20%), synthetic amino acids (-0.01%), and supplemented with 900 FTU phytase/kg (RN900FTU). Results: The layers fed the RN300FTU diet had 2.68% higher egg production than those fed the PC diet. Egg mass produced by PC- and RN300FTU-fed hens was statistically similar. Eggshell thickness was increased in PC-fed hens. Feed cost for the RN900FTU diet was approximately 9% lower compared with that of the PC diet. Conclusion: The best performance and economic results were achieved when layers were fed a reduced-nutrient diet supplemented with 300 FTU phytase. antinutritional factors calcium egg mass egg production egg quality enzyme feed cost laying hens layers phosphorus phytase reduced-nutrient diets Animal culture Priscila S Zorzetto verfasserin aut Brunna G S Leite verfasserin aut Carlos A Granghelli verfasserin aut Jane C Gonçalves verfasserin aut Nury A C R Garcia verfasserin aut Nick Wen verfasserin aut Ulisses R T Moraes verfasserin aut Cristiane S S Araújo verfasserin aut Lúcio F Araújo verfasserin aut In Revista Colombiana de Ciencias Pecuarias Universidad de Antioquia, 2019 36(2023), 3, Seite 121-130 (DE-627)513879315 (DE-600)2240056-4 22562958 nnns volume:36 year:2023 number:3 pages:121-130 https://doi.org/10.17533/udea.rccp.v36n3a1 kostenfrei https://doaj.org/article/d4757d781c1842e99842830a4b0893f6 kostenfrei https://revistas.udea.edu.co/index.php/rccp/article/view/352416 kostenfrei https://doaj.org/toc/2256-2958 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 36 2023 3 121-130
allfields_unstemmed	10.17533/udea.rccp.v36n3a1 doi (DE-627)DOAJ099014769 (DE-599)DOAJd4757d781c1842e99842830a4b0893f6 DE-627 ger DE-627 rakwb eng SF1-1100 Fabricia A Roque verfasserin aut Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Exogenous enzyme supplementation is an effective and cost-saving mechanism for increasing the availability of dietary nutrients by increasing digestion and reducing excretion. Objective: To evaluate the effects of phytase supplementation on performance, egg quality, and economic parameters in commercial laying hens fed reduced-nutrient diets from 70 weeks of age. Methods: Novogen White® commercial laying hens (n=256) were randomly allocated to four treatment groups, with eight replicates of eight hens in each group: PC (positive control): conventional diet not supplemented with phytase; diet with reduced levels (RN) of P (-0.12%), Ca (-0.10%), and ME (-14 kcal/kg), and supplemented with 300 phytase units (FTU/kg; RN300FTU); diet with reduced levels of P (-0.16%), Ca (-0.13%), ME (-18 kcal/kg), CP (-8%), synthetic amino acids (-0.01%), and supplemented with 600 FTU phytase/kg (RN600FTU); and diet with reduced levels of P (-0.18% P), Ca (-0.15%), ME (-20 kcal/kg), CP (-20%), synthetic amino acids (-0.01%), and supplemented with 900 FTU phytase/kg (RN900FTU). Results: The layers fed the RN300FTU diet had 2.68% higher egg production than those fed the PC diet. Egg mass produced by PC- and RN300FTU-fed hens was statistically similar. Eggshell thickness was increased in PC-fed hens. Feed cost for the RN900FTU diet was approximately 9% lower compared with that of the PC diet. Conclusion: The best performance and economic results were achieved when layers were fed a reduced-nutrient diet supplemented with 300 FTU phytase. antinutritional factors calcium egg mass egg production egg quality enzyme feed cost laying hens layers phosphorus phytase reduced-nutrient diets Animal culture Priscila S Zorzetto verfasserin aut Brunna G S Leite verfasserin aut Carlos A Granghelli verfasserin aut Jane C Gonçalves verfasserin aut Nury A C R Garcia verfasserin aut Nick Wen verfasserin aut Ulisses R T Moraes verfasserin aut Cristiane S S Araújo verfasserin aut Lúcio F Araújo verfasserin aut In Revista Colombiana de Ciencias Pecuarias Universidad de Antioquia, 2019 36(2023), 3, Seite 121-130 (DE-627)513879315 (DE-600)2240056-4 22562958 nnns volume:36 year:2023 number:3 pages:121-130 https://doi.org/10.17533/udea.rccp.v36n3a1 kostenfrei https://doaj.org/article/d4757d781c1842e99842830a4b0893f6 kostenfrei https://revistas.udea.edu.co/index.php/rccp/article/view/352416 kostenfrei https://doaj.org/toc/2256-2958 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 36 2023 3 121-130
allfieldsGer	10.17533/udea.rccp.v36n3a1 doi (DE-627)DOAJ099014769 (DE-599)DOAJd4757d781c1842e99842830a4b0893f6 DE-627 ger DE-627 rakwb eng SF1-1100 Fabricia A Roque verfasserin aut Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Exogenous enzyme supplementation is an effective and cost-saving mechanism for increasing the availability of dietary nutrients by increasing digestion and reducing excretion. Objective: To evaluate the effects of phytase supplementation on performance, egg quality, and economic parameters in commercial laying hens fed reduced-nutrient diets from 70 weeks of age. Methods: Novogen White® commercial laying hens (n=256) were randomly allocated to four treatment groups, with eight replicates of eight hens in each group: PC (positive control): conventional diet not supplemented with phytase; diet with reduced levels (RN) of P (-0.12%), Ca (-0.10%), and ME (-14 kcal/kg), and supplemented with 300 phytase units (FTU/kg; RN300FTU); diet with reduced levels of P (-0.16%), Ca (-0.13%), ME (-18 kcal/kg), CP (-8%), synthetic amino acids (-0.01%), and supplemented with 600 FTU phytase/kg (RN600FTU); and diet with reduced levels of P (-0.18% P), Ca (-0.15%), ME (-20 kcal/kg), CP (-20%), synthetic amino acids (-0.01%), and supplemented with 900 FTU phytase/kg (RN900FTU). Results: The layers fed the RN300FTU diet had 2.68% higher egg production than those fed the PC diet. Egg mass produced by PC- and RN300FTU-fed hens was statistically similar. Eggshell thickness was increased in PC-fed hens. Feed cost for the RN900FTU diet was approximately 9% lower compared with that of the PC diet. Conclusion: The best performance and economic results were achieved when layers were fed a reduced-nutrient diet supplemented with 300 FTU phytase. antinutritional factors calcium egg mass egg production egg quality enzyme feed cost laying hens layers phosphorus phytase reduced-nutrient diets Animal culture Priscila S Zorzetto verfasserin aut Brunna G S Leite verfasserin aut Carlos A Granghelli verfasserin aut Jane C Gonçalves verfasserin aut Nury A C R Garcia verfasserin aut Nick Wen verfasserin aut Ulisses R T Moraes verfasserin aut Cristiane S S Araújo verfasserin aut Lúcio F Araújo verfasserin aut In Revista Colombiana de Ciencias Pecuarias Universidad de Antioquia, 2019 36(2023), 3, Seite 121-130 (DE-627)513879315 (DE-600)2240056-4 22562958 nnns volume:36 year:2023 number:3 pages:121-130 https://doi.org/10.17533/udea.rccp.v36n3a1 kostenfrei https://doaj.org/article/d4757d781c1842e99842830a4b0893f6 kostenfrei https://revistas.udea.edu.co/index.php/rccp/article/view/352416 kostenfrei https://doaj.org/toc/2256-2958 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 36 2023 3 121-130
allfieldsSound	10.17533/udea.rccp.v36n3a1 doi (DE-627)DOAJ099014769 (DE-599)DOAJd4757d781c1842e99842830a4b0893f6 DE-627 ger DE-627 rakwb eng SF1-1100 Fabricia A Roque verfasserin aut Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Exogenous enzyme supplementation is an effective and cost-saving mechanism for increasing the availability of dietary nutrients by increasing digestion and reducing excretion. Objective: To evaluate the effects of phytase supplementation on performance, egg quality, and economic parameters in commercial laying hens fed reduced-nutrient diets from 70 weeks of age. Methods: Novogen White® commercial laying hens (n=256) were randomly allocated to four treatment groups, with eight replicates of eight hens in each group: PC (positive control): conventional diet not supplemented with phytase; diet with reduced levels (RN) of P (-0.12%), Ca (-0.10%), and ME (-14 kcal/kg), and supplemented with 300 phytase units (FTU/kg; RN300FTU); diet with reduced levels of P (-0.16%), Ca (-0.13%), ME (-18 kcal/kg), CP (-8%), synthetic amino acids (-0.01%), and supplemented with 600 FTU phytase/kg (RN600FTU); and diet with reduced levels of P (-0.18% P), Ca (-0.15%), ME (-20 kcal/kg), CP (-20%), synthetic amino acids (-0.01%), and supplemented with 900 FTU phytase/kg (RN900FTU). Results: The layers fed the RN300FTU diet had 2.68% higher egg production than those fed the PC diet. Egg mass produced by PC- and RN300FTU-fed hens was statistically similar. Eggshell thickness was increased in PC-fed hens. Feed cost for the RN900FTU diet was approximately 9% lower compared with that of the PC diet. Conclusion: The best performance and economic results were achieved when layers were fed a reduced-nutrient diet supplemented with 300 FTU phytase. antinutritional factors calcium egg mass egg production egg quality enzyme feed cost laying hens layers phosphorus phytase reduced-nutrient diets Animal culture Priscila S Zorzetto verfasserin aut Brunna G S Leite verfasserin aut Carlos A Granghelli verfasserin aut Jane C Gonçalves verfasserin aut Nury A C R Garcia verfasserin aut Nick Wen verfasserin aut Ulisses R T Moraes verfasserin aut Cristiane S S Araújo verfasserin aut Lúcio F Araújo verfasserin aut In Revista Colombiana de Ciencias Pecuarias Universidad de Antioquia, 2019 36(2023), 3, Seite 121-130 (DE-627)513879315 (DE-600)2240056-4 22562958 nnns volume:36 year:2023 number:3 pages:121-130 https://doi.org/10.17533/udea.rccp.v36n3a1 kostenfrei https://doaj.org/article/d4757d781c1842e99842830a4b0893f6 kostenfrei https://revistas.udea.edu.co/index.php/rccp/article/view/352416 kostenfrei https://doaj.org/toc/2256-2958 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 36 2023 3 121-130
language	English
source	In Revista Colombiana de Ciencias Pecuarias 36(2023), 3, Seite 121-130 volume:36 year:2023 number:3 pages:121-130
sourceStr	In Revista Colombiana de Ciencias Pecuarias 36(2023), 3, Seite 121-130 volume:36 year:2023 number:3 pages:121-130
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	antinutritional factors calcium egg mass egg production egg quality enzyme feed cost laying hens layers phosphorus phytase reduced-nutrient diets Animal culture
isfreeaccess_bool	true
container_title	Revista Colombiana de Ciencias Pecuarias
authorswithroles_txt_mv	Fabricia A Roque @@aut@@ Priscila S Zorzetto @@aut@@ Brunna G S Leite @@aut@@ Carlos A Granghelli @@aut@@ Jane C Gonçalves @@aut@@ Nury A C R Garcia @@aut@@ Nick Wen @@aut@@ Ulisses R T Moraes @@aut@@ Cristiane S S Araújo @@aut@@ Lúcio F Araújo @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	513879315
id	DOAJ099014769
language_de	englisch
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Objective: To evaluate the effects of phytase supplementation on performance, egg quality, and economic parameters in commercial laying hens fed reduced-nutrient diets from 70 weeks of age. Methods: Novogen White® commercial laying hens (n=256) were randomly allocated to four treatment groups, with eight replicates of eight hens in each group: PC (positive control): conventional diet not supplemented with phytase; diet with reduced levels (RN) of P (-0.12%), Ca (-0.10%), and ME (-14 kcal/kg), and supplemented with 300 phytase units (FTU/kg; RN300FTU); diet with reduced levels of P (-0.16%), Ca (-0.13%), ME (-18 kcal/kg), CP (-8%), synthetic amino acids (-0.01%), and supplemented with 600 FTU phytase/kg (RN600FTU); and diet with reduced levels of P (-0.18% P), Ca (-0.15%), ME (-20 kcal/kg), CP (-20%), synthetic amino acids (-0.01%), and supplemented with 900 FTU phytase/kg (RN900FTU). Results: The layers fed the RN300FTU diet had 2.68% higher egg production than those fed the PC diet. Egg mass produced by PC- and RN300FTU-fed hens was statistically similar. Eggshell thickness was increased in PC-fed hens. Feed cost for the RN900FTU diet was approximately 9% lower compared with that of the PC diet. 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callnumber-first	S - Agriculture
author	Fabricia A Roque
spellingShingle	Fabricia A Roque misc SF1-1100 misc antinutritional factors misc calcium misc egg mass misc egg production misc egg quality misc enzyme misc feed cost misc laying hens misc layers misc phosphorus misc phytase misc reduced-nutrient diets misc Animal culture Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers
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topic_title	SF1-1100 Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers antinutritional factors calcium egg mass egg production egg quality enzyme feed cost laying hens layers phosphorus phytase reduced-nutrient diets
topic	misc SF1-1100 misc antinutritional factors misc calcium misc egg mass misc egg production misc egg quality misc enzyme misc feed cost misc laying hens misc layers misc phosphorus misc phytase misc reduced-nutrient diets misc Animal culture
topic_unstemmed	misc SF1-1100 misc antinutritional factors misc calcium misc egg mass misc egg production misc egg quality misc enzyme misc feed cost misc laying hens misc layers misc phosphorus misc phytase misc reduced-nutrient diets misc Animal culture
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title	Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers
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title_full	Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers
author_sort	Fabricia A Roque
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author_browse	Fabricia A Roque Priscila S Zorzetto Brunna G S Leite Carlos A Granghelli Jane C Gonçalves Nury A C R Garcia Nick Wen Ulisses R T Moraes Cristiane S S Araújo Lúcio F Araújo
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doi_str_mv	10.17533/udea.rccp.v36n3a1
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title_sort	effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers
callnumber	SF1-1100
title_auth	Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers
abstract	Background: Exogenous enzyme supplementation is an effective and cost-saving mechanism for increasing the availability of dietary nutrients by increasing digestion and reducing excretion. Objective: To evaluate the effects of phytase supplementation on performance, egg quality, and economic parameters in commercial laying hens fed reduced-nutrient diets from 70 weeks of age. Methods: Novogen White® commercial laying hens (n=256) were randomly allocated to four treatment groups, with eight replicates of eight hens in each group: PC (positive control): conventional diet not supplemented with phytase; diet with reduced levels (RN) of P (-0.12%), Ca (-0.10%), and ME (-14 kcal/kg), and supplemented with 300 phytase units (FTU/kg; RN300FTU); diet with reduced levels of P (-0.16%), Ca (-0.13%), ME (-18 kcal/kg), CP (-8%), synthetic amino acids (-0.01%), and supplemented with 600 FTU phytase/kg (RN600FTU); and diet with reduced levels of P (-0.18% P), Ca (-0.15%), ME (-20 kcal/kg), CP (-20%), synthetic amino acids (-0.01%), and supplemented with 900 FTU phytase/kg (RN900FTU). Results: The layers fed the RN300FTU diet had 2.68% higher egg production than those fed the PC diet. Egg mass produced by PC- and RN300FTU-fed hens was statistically similar. Eggshell thickness was increased in PC-fed hens. Feed cost for the RN900FTU diet was approximately 9% lower compared with that of the PC diet. Conclusion: The best performance and economic results were achieved when layers were fed a reduced-nutrient diet supplemented with 300 FTU phytase.
abstractGer	Background: Exogenous enzyme supplementation is an effective and cost-saving mechanism for increasing the availability of dietary nutrients by increasing digestion and reducing excretion. Objective: To evaluate the effects of phytase supplementation on performance, egg quality, and economic parameters in commercial laying hens fed reduced-nutrient diets from 70 weeks of age. Methods: Novogen White® commercial laying hens (n=256) were randomly allocated to four treatment groups, with eight replicates of eight hens in each group: PC (positive control): conventional diet not supplemented with phytase; diet with reduced levels (RN) of P (-0.12%), Ca (-0.10%), and ME (-14 kcal/kg), and supplemented with 300 phytase units (FTU/kg; RN300FTU); diet with reduced levels of P (-0.16%), Ca (-0.13%), ME (-18 kcal/kg), CP (-8%), synthetic amino acids (-0.01%), and supplemented with 600 FTU phytase/kg (RN600FTU); and diet with reduced levels of P (-0.18% P), Ca (-0.15%), ME (-20 kcal/kg), CP (-20%), synthetic amino acids (-0.01%), and supplemented with 900 FTU phytase/kg (RN900FTU). Results: The layers fed the RN300FTU diet had 2.68% higher egg production than those fed the PC diet. Egg mass produced by PC- and RN300FTU-fed hens was statistically similar. Eggshell thickness was increased in PC-fed hens. Feed cost for the RN900FTU diet was approximately 9% lower compared with that of the PC diet. Conclusion: The best performance and economic results were achieved when layers were fed a reduced-nutrient diet supplemented with 300 FTU phytase.
abstract_unstemmed	Background: Exogenous enzyme supplementation is an effective and cost-saving mechanism for increasing the availability of dietary nutrients by increasing digestion and reducing excretion. Objective: To evaluate the effects of phytase supplementation on performance, egg quality, and economic parameters in commercial laying hens fed reduced-nutrient diets from 70 weeks of age. Methods: Novogen White® commercial laying hens (n=256) were randomly allocated to four treatment groups, with eight replicates of eight hens in each group: PC (positive control): conventional diet not supplemented with phytase; diet with reduced levels (RN) of P (-0.12%), Ca (-0.10%), and ME (-14 kcal/kg), and supplemented with 300 phytase units (FTU/kg; RN300FTU); diet with reduced levels of P (-0.16%), Ca (-0.13%), ME (-18 kcal/kg), CP (-8%), synthetic amino acids (-0.01%), and supplemented with 600 FTU phytase/kg (RN600FTU); and diet with reduced levels of P (-0.18% P), Ca (-0.15%), ME (-20 kcal/kg), CP (-20%), synthetic amino acids (-0.01%), and supplemented with 900 FTU phytase/kg (RN900FTU). Results: The layers fed the RN300FTU diet had 2.68% higher egg production than those fed the PC diet. Egg mass produced by PC- and RN300FTU-fed hens was statistically similar. Eggshell thickness was increased in PC-fed hens. Feed cost for the RN900FTU diet was approximately 9% lower compared with that of the PC diet. Conclusion: The best performance and economic results were achieved when layers were fed a reduced-nutrient diet supplemented with 300 FTU phytase.
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title_short	Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers
url	https://doi.org/10.17533/udea.rccp.v36n3a1 https://doaj.org/article/d4757d781c1842e99842830a4b0893f6 https://revistas.udea.edu.co/index.php/rccp/article/view/352416 https://doaj.org/toc/2256-2958
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Effects of phytase supplementation to reduced-nutrient diets on performance, egg quality, and economic parameters in commercial layers

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