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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
Fecha : |
31/01/2020 |
Actualizado : |
31/01/2020 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
DE MATTOS, D.; BERTAND, J.K.; MISZTAL, I. |
Afiliación : |
DANIEL DE MATTOS, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; J. K. BERTRAND; I. MISZTAL. |
Título : |
Investigation of genotype × environment interactions for weaning weight for Herefords in three countries. |
Fecha de publicación : |
2000 |
Fuente / Imprenta : |
Journal of Animal Science, August, v. 78, no. 8, p. 2121-2126, 2000. |
DOI : |
10.2527/2000.7882121x |
Idioma : |
Inglés |
Notas : |
Article history: Received September 16, 1999 // Accepted April 3, 2000. |
Contenido : |
ABSTRACT: The objective of this study was to investigate the possibility of genotype × environment interactions for weaning weight (WWT) between different regions of the United States (US) and between Canada (CA), Uruguay (UY), andUSfor populations of Hereford cattle. Original data were composed of 487,661, 102,986, and 2,322,722 edited weaning weight records from CA, UY, and US, respectively. A total of 359 sires were identified as having progeny across all three countries; 240 of them had at least one progeny with a record in each environment. The data sets within each country were reduced by retaining records from herds with more than 500 WWT records, with an average contemporary group size of greater than nine animals, and that contained WWT records from progeny or maternal grandprogeny of the across-country sires. Data sets within each country were further reduced by randomly selecting among remaining herds. Four regions within US were defined: Upper Plains (UP), Cornbelt (CB), South (S), and Gulf Coast (GC). Similar sampling criteria and common international sires were used to form the within-US regional data sets. A pairwise analysis was done between countries and regions within US (UP-CB vs S-GC, UP vs CB, and S vs GC) for the estimation of (co)variance components and genetic correlation between environments. An accelerated EM-REML algorithm and a multiple-trait animal model that consideredWWTas a different trait in each environment were used to estimate parameters in each pairwise analysis. Direct and maternal (in parentheses) estimated genetic correlations for CA vs UY, CA vs US, US vs UY, UPCB vs S-GC, UP vs CB, and S vs GC were .88 (.84), .86 (.82), .90 (.85), .88 (.87), .88 (.84), and .87 (.85), respectively. The general absence of genotype × country
interactions observed in this study, together with a prior study that showed the similarity of genetic and environmental parameters across the three countries, strongly indicates that a joint WWT genetic evaluation for Hereford cattle could be conducted using a model
that treated the information from CA, UY, and US as a single population using single population-wide genetic parameters. MenosABSTRACT: The objective of this study was to investigate the possibility of genotype × environment interactions for weaning weight (WWT) between different regions of the United States (US) and between Canada (CA), Uruguay (UY), andUSfor populations of Hereford cattle. Original data were composed of 487,661, 102,986, and 2,322,722 edited weaning weight records from CA, UY, and US, respectively. A total of 359 sires were identified as having progeny across all three countries; 240 of them had at least one progeny with a record in each environment. The data sets within each country were reduced by retaining records from herds with more than 500 WWT records, with an average contemporary group size of greater than nine animals, and that contained WWT records from progeny or maternal grandprogeny of the across-country sires. Data sets within each country were further reduced by randomly selecting among remaining herds. Four regions within US were defined: Upper Plains (UP), Cornbelt (CB), South (S), and Gulf Coast (GC). Similar sampling criteria and common international sires were used to form the within-US regional data sets. A pairwise analysis was done between countries and regions within US (UP-CB vs S-GC, UP vs CB, and S vs GC) for the estimation of (co)variance components and genetic correlation between environments. An accelerated EM-REML algorithm and a multiple-trait animal model that consideredWWTas a different trait in each environment were used to estimate parameters i... Presentar Todo |
Palabras claves : |
BEEF CATTLE; GANADERÍA; GENOTYPE ENVIRONMENT INTERACTION; INTERNATIONAL COMPARISONS. |
Asunto categoría : |
L01 Ganadería |
Marc : |
LEADER 02940naa a2200217 a 4500 001 1060731 005 2020-01-31 008 2000 bl uuuu u00u1 u #d 024 7 $a10.2527/2000.7882121x$2DOI 100 1 $aDE MATTOS, D. 245 $aInvestigation of genotype × environment interactions for weaning weight for Herefords in three countries.$h[electronic resource] 260 $c2000 500 $aArticle history: Received September 16, 1999 // Accepted April 3, 2000. 520 $aABSTRACT: The objective of this study was to investigate the possibility of genotype × environment interactions for weaning weight (WWT) between different regions of the United States (US) and between Canada (CA), Uruguay (UY), andUSfor populations of Hereford cattle. Original data were composed of 487,661, 102,986, and 2,322,722 edited weaning weight records from CA, UY, and US, respectively. A total of 359 sires were identified as having progeny across all three countries; 240 of them had at least one progeny with a record in each environment. The data sets within each country were reduced by retaining records from herds with more than 500 WWT records, with an average contemporary group size of greater than nine animals, and that contained WWT records from progeny or maternal grandprogeny of the across-country sires. Data sets within each country were further reduced by randomly selecting among remaining herds. Four regions within US were defined: Upper Plains (UP), Cornbelt (CB), South (S), and Gulf Coast (GC). Similar sampling criteria and common international sires were used to form the within-US regional data sets. A pairwise analysis was done between countries and regions within US (UP-CB vs S-GC, UP vs CB, and S vs GC) for the estimation of (co)variance components and genetic correlation between environments. An accelerated EM-REML algorithm and a multiple-trait animal model that consideredWWTas a different trait in each environment were used to estimate parameters in each pairwise analysis. Direct and maternal (in parentheses) estimated genetic correlations for CA vs UY, CA vs US, US vs UY, UPCB vs S-GC, UP vs CB, and S vs GC were .88 (.84), .86 (.82), .90 (.85), .88 (.87), .88 (.84), and .87 (.85), respectively. The general absence of genotype × country interactions observed in this study, together with a prior study that showed the similarity of genetic and environmental parameters across the three countries, strongly indicates that a joint WWT genetic evaluation for Hereford cattle could be conducted using a model that treated the information from CA, UY, and US as a single population using single population-wide genetic parameters. 653 $aBEEF CATTLE 653 $aGANADERÍA 653 $aGENOTYPE ENVIRONMENT INTERACTION 653 $aINTERNATIONAL COMPARISONS 700 1 $aBERTAND, J.K. 700 1 $aMISZTAL, I. 773 $tJournal of Animal Science, August$gv. 78, no. 8, p. 2121-2126, 2000.
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Registro original : |
INIA Tacuarembó (TBO) |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
Fecha actual : |
21/02/2014 |
Actualizado : |
22/02/2014 |
Autor : |
Soler, R.; Scatoni, I. (UDELAR, Fac.Agronomía); Núñez, S. (INIA Las Brujas) |
Título : |
Bioecología y estrategias de control del "Chanchito Blanco" de la vid en la zona sur del Uruguay |
Fecha de publicación : |
2002 |
Fuente / Imprenta : |
Canelones (Uruguay): INIA, 2002. |
Páginas : |
17 p. |
Serie : |
(INIA Serie Actividades de Difusión ; 291) |
Idioma : |
Español |
Palabras claves : |
CHANCHITO BLANCO DE LA VID. |
Thesagro : |
CONTROL DE PLAGAS; CONTROL QUIMICO; INSECTOS DANINOS; METODOS DE CONTROL; PLAGAS; PLANOCOCCUS. |
Asunto categoría : |
-- |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/1632/1/111219210807161937.pdf
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Marc : |
LEADER 00676nam a2200229 a 4500 001 1003253 005 2014-02-22 008 2002 bl uuuu u00u1 u #d 100 1 $aSOLER, R. 245 $aBioecología y estrategias de control del "Chanchito Blanco" de la vid en la zona sur del Uruguay 260 $aCanelones (Uruguay): INIA$c2002 300 $a17 p. 490 $a(INIA Serie Actividades de Difusión ; 291) 650 $aCONTROL DE PLAGAS 650 $aCONTROL QUIMICO 650 $aINSECTOS DANINOS 650 $aMETODOS DE CONTROL 650 $aPLAGAS 650 $aPLANOCOCCUS 653 $aCHANCHITO BLANCO DE LA VID 700 1 $aSCATONI, I. 700 1 $aNÚÑEZ, S.
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