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 | Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela; INIA Treinta y Tres. |
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Fecha : |
24/09/2014 |
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Actualizado : |
25/09/2018 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
LEMA, O.M.; GIMENO, D.; DIONELLO, N.J.L .; NAVAJAS, E.A. |
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Afiliación : |
OSCAR MARIO LEMA QUEIJO, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay; ELLY ANA NAVAJAS VALENTINI, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
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Título : |
Pre-weaning performance of Hereford, Angus, Salers and Nellore crossbred calves: individual and maternal additive and non-additive effects. |
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Fecha de publicación : |
2011 |
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Fuente / Imprenta : |
Livestock Science , v. 142. n. 1-3, p. 288-297, 2011. |
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ISSN : |
1871-1413 |
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DOI : |
10.1016/j.livsci.2011.08.007 |
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Idioma : |
Inglés |
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Notas : |
Article history: received 14 January 2011; received in revised form 8 August 2011; accepted 9 August 2011. |
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Contenido : |
Abstract:
Individual and maternal additive and non-additive effects for gestation length (GL), birth (BW) and weaning weights (WW) were estimated in Hereford (H/H), Aberdeen Angus (A/A), Salers (S/S) and Nellore (N/N) breeds. Data were recorded on 4474 calves of 39 genotypes (pureand cross-bred) which were sired by 141 bulls and born in two connected crossbreeding experiments carried out between 1993 and 2004. Five crossbreeding parameter models were compared. The best fit, assessed by the Akaike Information Criterion, was obtained by the additive model for GL and by the Dickerson full model for BW and WW. The individual additive
effect of N/N increased GL by 12.0 days compared to H/H, whilst the maternal additive effect reduced it by 3.1 days. The individual additive effects of A/A and N/N for BW were +1.8 kg and ?2.3 kg, respectively. Maternal effects had opposite sign to the individual effects (A/A, +3.6 kg; N/N, ?8.3 kg). Additive effects of S/S were not significant (PN0.10). Maternal heterosis increased BW in all crosses with H/H (from +1.8 to +5.1 kg) but the individual heterosis was only significant in the crosses with N/N (2.3 kg). In the case of WW, maternal additive effects as well as individual and maternal heterosis improved WW by 18.5, 5.3 and 11.9 kg, respectively.
Additive effects of N/N decreased WW (individual, ?12.1 kg; maternal, ?34.6 kg) whilst the individual and maternal heterosis had a favourable effect (+20.2 kg; +63.1 kg). In both N/N and S/S breeds, maternal recombination losses increased WW (30.7 and 48.2 kg) and individual recombination losses have the opposite effect (from ?12.1 to ?27.0 kg). In general terms, additive and non-additive effect of European breeds did not increase GL or have any effect on BW. However, increasing proportions of Nellore were associated with longer GL compared to H/ H. The use of Nellore as paternal breed may be related to heavier BW which may increase the incidence of dystocia. Positive effects of crossbreeding on WW were mainly due to the use of crossbred dams given the significant magnitude of maternal heterosis. The best combination of individual additive effects came from the utilisation of European breeds, whilst the greater magnitudes of both heterosis and recombination losses were observed in the Nellore crosses. MenosAbstract:
Individual and maternal additive and non-additive effects for gestation length (GL), birth (BW) and weaning weights (WW) were estimated in Hereford (H/H), Aberdeen Angus (A/A), Salers (S/S) and Nellore (N/N) breeds. Data were recorded on 4474 calves of 39 genotypes (pureand cross-bred) which were sired by 141 bulls and born in two connected crossbreeding experiments carried out between 1993 and 2004. Five crossbreeding parameter models were compared. The best fit, assessed by the Akaike Information Criterion, was obtained by the additive model for GL and by the Dickerson full model for BW and WW. The individual additive
effect of N/N increased GL by 12.0 days compared to H/H, whilst the maternal additive effect reduced it by 3.1 days. The individual additive effects of A/A and N/N for BW were +1.8 kg and ?2.3 kg, respectively. Maternal effects had opposite sign to the individual effects (A/A, +3.6 kg; N/N, ?8.3 kg). Additive effects of S/S were not significant (PN0.10). Maternal heterosis increased BW in all crosses with H/H (from +1.8 to +5.1 kg) but the individual heterosis was only significant in the crosses with N/N (2.3 kg). In the case of WW, maternal additive effects as well as individual and maternal heterosis improved WW by 18.5, 5.3 and 11.9 kg, respectively.
Additive effects of N/N decreased WW (individual, ?12.1 kg; maternal, ?34.6 kg) whilst the individual and maternal heterosis had a favourable effect (+20.2 kg; +63.1 kg). In both N/N and S/S breeds, ... Presentar Todo |
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Palabras claves : |
ADDITIVE EFFECTS; BEEF CATTLE; CARACTERÍSTICAS DE PREDESTETE; CROSSBREEDING GENETIC PARAMETERS; CRUZAMIENTO GENÉTICO ANIMAL; EFECTOS ADITIVOS; EFECTOS NO ADITIVOS; NON-ADDITIVE EFFECTS; PRE-WEANING TRAITS. |
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Thesagro : |
GANADO DE CARNE. |
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Asunto categoría : |
L10 Genética y mejoramiento animal
L51 Fisiología Animal - Nutrición |
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Marc : |
LEADER 03418naa a2200313 a 4500
001 1050510
005 2018-09-25
008 2011 bl uuuu u00u1 u #d
022 $a1871-1413
024 7 $a10.1016/j.livsci.2011.08.007$2DOI
100 1 $aLEMA, O.M.
245 $aPre-weaning performance of Hereford, Angus, Salers and Nellore crossbred calves$bindividual and maternal additive and non-additive effects.$h[electronic resource]
260 $c2011
500 $aArticle history: received 14 January 2011; received in revised form 8 August 2011; accepted 9 August 2011.
520 $aAbstract: Individual and maternal additive and non-additive effects for gestation length (GL), birth (BW) and weaning weights (WW) were estimated in Hereford (H/H), Aberdeen Angus (A/A), Salers (S/S) and Nellore (N/N) breeds. Data were recorded on 4474 calves of 39 genotypes (pureand cross-bred) which were sired by 141 bulls and born in two connected crossbreeding experiments carried out between 1993 and 2004. Five crossbreeding parameter models were compared. The best fit, assessed by the Akaike Information Criterion, was obtained by the additive model for GL and by the Dickerson full model for BW and WW. The individual additive effect of N/N increased GL by 12.0 days compared to H/H, whilst the maternal additive effect reduced it by 3.1 days. The individual additive effects of A/A and N/N for BW were +1.8 kg and ?2.3 kg, respectively. Maternal effects had opposite sign to the individual effects (A/A, +3.6 kg; N/N, ?8.3 kg). Additive effects of S/S were not significant (PN0.10). Maternal heterosis increased BW in all crosses with H/H (from +1.8 to +5.1 kg) but the individual heterosis was only significant in the crosses with N/N (2.3 kg). In the case of WW, maternal additive effects as well as individual and maternal heterosis improved WW by 18.5, 5.3 and 11.9 kg, respectively. Additive effects of N/N decreased WW (individual, ?12.1 kg; maternal, ?34.6 kg) whilst the individual and maternal heterosis had a favourable effect (+20.2 kg; +63.1 kg). In both N/N and S/S breeds, maternal recombination losses increased WW (30.7 and 48.2 kg) and individual recombination losses have the opposite effect (from ?12.1 to ?27.0 kg). In general terms, additive and non-additive effect of European breeds did not increase GL or have any effect on BW. However, increasing proportions of Nellore were associated with longer GL compared to H/ H. The use of Nellore as paternal breed may be related to heavier BW which may increase the incidence of dystocia. Positive effects of crossbreeding on WW were mainly due to the use of crossbred dams given the significant magnitude of maternal heterosis. The best combination of individual additive effects came from the utilisation of European breeds, whilst the greater magnitudes of both heterosis and recombination losses were observed in the Nellore crosses.
650 $aGANADO DE CARNE
653 $aADDITIVE EFFECTS
653 $aBEEF CATTLE
653 $aCARACTERÍSTICAS DE PREDESTETE
653 $aCROSSBREEDING GENETIC PARAMETERS
653 $aCRUZAMIENTO GENÉTICO ANIMAL
653 $aEFECTOS ADITIVOS
653 $aEFECTOS NO ADITIVOS
653 $aNON-ADDITIVE EFFECTS
653 $aPRE-WEANING TRAITS
700 1 $aGIMENO, D.
700 1 $aDIONELLO, N.J.L .
700 1 $aNAVAJAS, E.A.
773 $tLivestock Science$gv. 142. n. 1-3, p. 288-297, 2011.
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Registro original : |
INIA La Estanzuela (LE) |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
23/11/2021 |
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Actualizado : |
23/11/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
GARCIA, A.; MENESES, L.; KASPARY, T. E. |
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Afiliación : |
MILTON ALEJANDRO GARCIA LATASA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; LUCÍA VALERIA MENESES MEDINA, Research and development, GENTOS Uruguay, Canelones 91001, Uruguay.; TIAGO EDU KASPARY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Weed problems in Uruguayan agriculture: evolution and current situation. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Outlooks on Pest Management, October 2021. Doi: https://doi.org/10.1564/v32_oct_05 |
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DOI : |
10.1564/v32_oct_05 |
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Idioma : |
Inglés |
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Notas : |
Corresponding author email: magarcia@inia.org.uy |
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Contenido : |
Summary: Uruguayan agriculture has undergone dramatic changes in the last 50 years driven by the adoption of new agricultural
production systems that incorporate zero tillage and herbicide resistant crops. This has resulted in a shift in weed species
frequencies and the dispersion of introduced herbicide resistant weed populations. Finally, integrated weed management
tools are being developed by research and extension services to manage herbicide-resistant (HR) weeds better and to reduce
environmental impact of herbicides. |
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Palabras claves : |
CROP-PASTURE ROTATIONS; HERBICIDE RESISTANCE; Integrated weed management; ZERO TILLAGE. |
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Thesagro : |
RESISTENCIA A HERBICIDAS. |
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Asunto categoría : |
H60 Malezas y escardas |
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Marc : |
LEADER 01284naa a2200229 a 4500
001 1062536
005 2021-11-23
008 2021 bl uuuu u00u1 u #d
024 7 $a10.1564/v32_oct_05$2DOI
100 1 $aGARCIA, A.
245 $aWeed problems in Uruguayan agriculture$bevolution and current situation.$h[electronic resource]
260 $c2021
500 $aCorresponding author email: magarcia@inia.org.uy
520 $aSummary: Uruguayan agriculture has undergone dramatic changes in the last 50 years driven by the adoption of new agricultural production systems that incorporate zero tillage and herbicide resistant crops. This has resulted in a shift in weed species frequencies and the dispersion of introduced herbicide resistant weed populations. Finally, integrated weed management tools are being developed by research and extension services to manage herbicide-resistant (HR) weeds better and to reduce environmental impact of herbicides.
650 $aRESISTENCIA A HERBICIDAS
653 $aCROP-PASTURE ROTATIONS
653 $aHERBICIDE RESISTANCE
653 $aIntegrated weed management
653 $aZERO TILLAGE
700 1 $aMENESES, L.
700 1 $aKASPARY, T. E.
773 $tOutlooks on Pest Management, October 2021. Doi: https://doi.org/10.1564/v32_oct_05
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