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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
Fecha : |
17/04/2024 |
Actualizado : |
17/04/2024 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
RAMOS, B.; BANCHERO, G.; LA MANNA, A.; CANOZZI, M.E.A.; FERNANDEZ, E.; CLARIGET, J.M. |
Afiliación : |
BEATRIZ RAMOS, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; GEORGGET ELIZABETH BANCHERO HUNZIKER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALEJANDRO FRANCISCO LA MANNA ALONSO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARÍA EUGENIA ANDRIGHETTO CANOZZI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ENRIQUE GENARO FERNANDEZ RODRIGUEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; JUAN MANUEL CLARIGET BRIZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Applicability of an automated supplement feeder to dose titanium dioxide to estimate forage intake, fecal output, and diet digestibility of beef cattle. |
Fecha de publicación : |
2024 |
Fuente / Imprenta : |
Applied Animal Science. 2024, Volume 40, Issue 2, pp. 132-141. https://doi.org/10.15232/aas.2023-02448 -- OPEN ACCESS. |
ISSN : |
2590-2873 |
DOI : |
10.15232/aas.2023-02448 |
Idioma : |
Inglés |
Notas : |
Article history: Available online 27 March 2024, Version of Record 27 March 2024. -- Correspondence: Clariget, J.; Instituto Nacional de Investigación Agropecuaria (INIA), Estación Experimental La Estanzuela, Ruta 50 km 11, Colonia, Uruguay; email:jclariget@inia.org.uy -- FUNDING: This research was supported by the Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay (grant numbers N-19407, 2016). -- LICENSE: Article under a Creative Commons license (http://creativecommons.org/licenses/by/4.0/ ). |
Contenido : |
ABSTRACT.- Objective: Our objective was to evaluate 2 methods of external marker dosing, at 2 levels of forage allowance, to estimate forage intake in beef cattle. Materials and Methods: Sixteen Aberdeen Angus steers (mean age of 18 mo; 350 +- 9 kg BW), kept in individual pens, were used in a quadruplicated 4 × 4 Latin square design experiment, in a 2 × 2 factorial arrange-ment. The factors were forage allowance level (4 vs. 7 kg DM/d of alfalfa plus orchard grass haylage) and supple-ment feeding method (manual vs. automatic). A supplement consisting of 2 kg DM of pelleted corn with 1% ti- tanium dioxide (TiO2) per day was offered to each steer. Total DMI and diet DM digestibility were estimated using the dual-marker technique, with acid insoluble ash (AIA; 2 different methods) or ADL used as the internal marker. Fecal output was estimated by TiO2 concentration using feces from the daily total fecal collection (TFC) samples and others from a morning subsample. The TFC was carried out individually and daily during the last 4 d of each 21-d period. Results and Discussion: The overall mean recovery of TiO2 was 104% (SD: 0.05; range: 101-107%). Fecal subsamples obtained in the morning overestimated fecal production with no difference between dosing methods. The DM digestibility was overestimated with AIA and ADL. The estimation of DM digestibility by ADL was closer than AIA to those obtained by TFC, without differences between the 2 AIA techniques. The overestimation of forage intake using the dual-marker technique was more affected by the overvalued DM digestibility using the internal markers than by fecal production using the external marker, without the effect of the dosing method. Implications and Applications: It is viable and reliable to automatically supply pelleted corn with TiO2 for fecal production estimation. The accuracy could be improved by obtaining at least 2 fecal samples during the day. Under the current experimental conditions, ADL is more accurate than AIA for estimating DM digestibility when the diet offered to cattle is based on alfalfa plus orchard grass haylage and concentrate. © 2024 The Author MenosABSTRACT.- Objective: Our objective was to evaluate 2 methods of external marker dosing, at 2 levels of forage allowance, to estimate forage intake in beef cattle. Materials and Methods: Sixteen Aberdeen Angus steers (mean age of 18 mo; 350 +- 9 kg BW), kept in individual pens, were used in a quadruplicated 4 × 4 Latin square design experiment, in a 2 × 2 factorial arrange-ment. The factors were forage allowance level (4 vs. 7 kg DM/d of alfalfa plus orchard grass haylage) and supple-ment feeding method (manual vs. automatic). A supplement consisting of 2 kg DM of pelleted corn with 1% ti- tanium dioxide (TiO2) per day was offered to each steer. Total DMI and diet DM digestibility were estimated using the dual-marker technique, with acid insoluble ash (AIA; 2 different methods) or ADL used as the internal marker. Fecal output was estimated by TiO2 concentration using feces from the daily total fecal collection (TFC) samples and others from a morning subsample. The TFC was carried out individually and daily during the last 4 d of each 21-d period. Results and Discussion: The overall mean recovery of TiO2 was 104% (SD: 0.05; range: 101-107%). Fecal subsamples obtained in the morning overestimated fecal production with no difference between dosing methods. The DM digestibility was overestimated with AIA and ADL. The estimation of DM digestibility by ADL was closer than AIA to those obtained by TFC, without differences between the 2 AIA techniques. The overestimation of forage i... Presentar Todo |
Palabras claves : |
Grazing; Herbage; Markers; Ruminant; Self-fed; SISTEMA GANADERO EXTENSIVO - INIA. |
Asunto categoría : |
L02 Alimentación animal |
URL : |
https://www.sciencedirect.com/science/article/pii/S2590286524000211/pdf
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Marc : |
LEADER 03580nam a2200277 a 4500 001 1064598 005 2024-04-17 008 2024 bl uuuu u00u1 u #d 022 $a2590-2873 024 7 $a10.15232/aas.2023-02448$2DOI 100 1 $aRAMOS, B. 245 $aApplicability of an automated supplement feeder to dose titanium dioxide to estimate forage intake, fecal output, and diet digestibility of beef cattle.$h[electronic resource] 260 $aApplied Animal Science. 2024, Volume 40, Issue 2, pp. 132-141. https://doi.org/10.15232/aas.2023-02448 -- OPEN ACCESS.$c2023 500 $aArticle history: Available online 27 March 2024, Version of Record 27 March 2024. -- Correspondence: Clariget, J.; Instituto Nacional de Investigación Agropecuaria (INIA), Estación Experimental La Estanzuela, Ruta 50 km 11, Colonia, Uruguay; email:jclariget@inia.org.uy -- FUNDING: This research was supported by the Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay (grant numbers N-19407, 2016). -- LICENSE: Article under a Creative Commons license (http://creativecommons.org/licenses/by/4.0/ ). 520 $aABSTRACT.- Objective: Our objective was to evaluate 2 methods of external marker dosing, at 2 levels of forage allowance, to estimate forage intake in beef cattle. Materials and Methods: Sixteen Aberdeen Angus steers (mean age of 18 mo; 350 +- 9 kg BW), kept in individual pens, were used in a quadruplicated 4 × 4 Latin square design experiment, in a 2 × 2 factorial arrange-ment. The factors were forage allowance level (4 vs. 7 kg DM/d of alfalfa plus orchard grass haylage) and supple-ment feeding method (manual vs. automatic). A supplement consisting of 2 kg DM of pelleted corn with 1% ti- tanium dioxide (TiO2) per day was offered to each steer. Total DMI and diet DM digestibility were estimated using the dual-marker technique, with acid insoluble ash (AIA; 2 different methods) or ADL used as the internal marker. Fecal output was estimated by TiO2 concentration using feces from the daily total fecal collection (TFC) samples and others from a morning subsample. The TFC was carried out individually and daily during the last 4 d of each 21-d period. Results and Discussion: The overall mean recovery of TiO2 was 104% (SD: 0.05; range: 101-107%). Fecal subsamples obtained in the morning overestimated fecal production with no difference between dosing methods. The DM digestibility was overestimated with AIA and ADL. The estimation of DM digestibility by ADL was closer than AIA to those obtained by TFC, without differences between the 2 AIA techniques. The overestimation of forage intake using the dual-marker technique was more affected by the overvalued DM digestibility using the internal markers than by fecal production using the external marker, without the effect of the dosing method. Implications and Applications: It is viable and reliable to automatically supply pelleted corn with TiO2 for fecal production estimation. The accuracy could be improved by obtaining at least 2 fecal samples during the day. Under the current experimental conditions, ADL is more accurate than AIA for estimating DM digestibility when the diet offered to cattle is based on alfalfa plus orchard grass haylage and concentrate. © 2024 The Author 653 $aGrazing 653 $aHerbage 653 $aMarkers 653 $aRuminant 653 $aSelf-fed 653 $aSISTEMA GANADERO EXTENSIVO - INIA 700 1 $aBANCHERO, G. 700 1 $aLA MANNA, A. 700 1 $aCANOZZI, M.E.A. 700 1 $aFERNANDEZ, E. 700 1 $aCLARIGET, J.M.
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INIA Las Brujas (LB) |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha actual : |
30/10/2014 |
Actualizado : |
06/07/2022 |
Tipo de producción científica : |
Artículos Indexados |
Autor : |
VON ZITZEWITZ, J.; CUESTA-MARCOS, A.; CONDON, F.; CASTRO, A. J.; CHAO, S.; COREY, A.; FILICHKIN, T.; FISK, S.P.; GUTIERREZ, L.; HAGGARD, K.; KARSAI, I.; MUEHLBAUER, G. J.; SMITH, K.P.; VEISZ, O.; HAYES, P.M. |
Afiliación : |
JARISLAV RAMON VON ZITZEWITZ VON SALVIATI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FEDERICO CONDON PRIANO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
The genetics of winterhardiness in barley: perspectives from genome-wide association mapping. |
Fecha de publicación : |
2011 |
Fuente / Imprenta : |
The Plant Genome, v. 4., n,1, p. 76-91, 2011. |
ISSN : |
1940-3372 |
DOI : |
10.3835/plantgenome2010.12.0030 |
Idioma : |
Inglés |
Contenido : |
Abstract: Winterhardiness is a complex trait that involves low temperature tolerance (LTT), vernalization sensitivity, and photoperiod sensitivity. Quantitative trait loci (QTL) for these traits were fi rst identifi ed using biparental mapping populations; candidate genes for all loci have since been identifi ed and characterized. In this research we used a set of 148 accessions consisting of advanced breeding lines from the Oregon barley (Hordeum vulgare L. subsp vulgare) breeding program and selected cultivars that were extensively phenotyped and genotyped with single nucleotide polymorphisms. Using these data for genome-wide association mapping we detected the same QTL and genes that have been systematically characterized using biparental populations over nearly two decades of intensive research. In this sample of germplasm, maximum LTT can be achieved with facultative growth habit, which can be predicted using a three-locus haplotype involving FR-H1, FR-H2, and VRN-H2. The FR-H1and FR-H2 LTT QTL explained 25% of the phenotypic variation, offering the prospect that additional gains from selection can be achieved once favorable alleles are fi xed at these loci. |
Thesagro : |
RECURSOS GENETICOS VEGETALES. |
Asunto categoría : |
-- |
Marc : |
LEADER 02094naa a2200325 a 4500 001 1051380 005 2022-07-06 008 2011 bl uuuu u00u1 u #d 022 $a1940-3372 024 7 $a10.3835/plantgenome2010.12.0030$2DOI 100 1 $aVON ZITZEWITZ, J. 245 $aThe genetics of winterhardiness in barley$bperspectives from genome-wide association mapping.$h[electronic resource] 260 $c2011 520 $aAbstract: Winterhardiness is a complex trait that involves low temperature tolerance (LTT), vernalization sensitivity, and photoperiod sensitivity. Quantitative trait loci (QTL) for these traits were fi rst identifi ed using biparental mapping populations; candidate genes for all loci have since been identifi ed and characterized. In this research we used a set of 148 accessions consisting of advanced breeding lines from the Oregon barley (Hordeum vulgare L. subsp vulgare) breeding program and selected cultivars that were extensively phenotyped and genotyped with single nucleotide polymorphisms. Using these data for genome-wide association mapping we detected the same QTL and genes that have been systematically characterized using biparental populations over nearly two decades of intensive research. In this sample of germplasm, maximum LTT can be achieved with facultative growth habit, which can be predicted using a three-locus haplotype involving FR-H1, FR-H2, and VRN-H2. The FR-H1and FR-H2 LTT QTL explained 25% of the phenotypic variation, offering the prospect that additional gains from selection can be achieved once favorable alleles are fi xed at these loci. 650 $aRECURSOS GENETICOS VEGETALES 700 1 $aCUESTA-MARCOS, A. 700 1 $aCONDON, F. 700 1 $aCASTRO, A. J. 700 1 $aCHAO, S. 700 1 $aCOREY, A. 700 1 $aFILICHKIN, T. 700 1 $aFISK, S.P. 700 1 $aGUTIERREZ, L. 700 1 $aHAGGARD, K. 700 1 $aKARSAI, I. 700 1 $aMUEHLBAUER, G. J. 700 1 $aSMITH, K.P. 700 1 $aVEISZ, O. 700 1 $aHAYES, P.M. 773 $tThe Plant Genome$gv. 4., n,1, p. 76-91, 2011.
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