| |
|
|
 | Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
|
Registro completo
|
|
Biblioteca (s) : |
INIA La Estanzuela. |
|
Fecha : |
21/02/2017 |
|
Actualizado : |
04/07/2017 |
|
Tipo de producción científica : |
Abstracts/Resúmenes |
|
Autor : |
ESPIGOLAN, R.; BALDI, F.; BANCHERO, G.; BRITO, G.; LA MANNA, A.; ALBUQUERQUE, L.G. |
|
Afiliación : |
RAFAEL ESPIGOLAN, Aluno de graduação do curso de Zootecnia da FCAVJ, Brasil.; FERNANDO BALDI, Aluno de Pós-doutorado do Departamento de Genética e Melhoramento Animal/FCAVJ. Bolsista da CAPES, Brasil.; GEORGGET ELIZABETH BANCHERO HUNZIKER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; GUSTAVO WALTER BRITO DIAZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALEJANDRO FRANCISCO LA MANNA ALONSO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; LUCIA GALVÃO DE ALBUQUERQUE, LUCIA GALVÃO DE ALBUQUERQUE Afiliación: Professora Adjunta do Departamento de Genética e Melhoramento Animal. Bolsista do CNPQ e INCTA, Brasil. |
|
Título : |
Aplicação de modelos não-lineares para o ajuste de características. |
|
Fecha de publicación : |
2010 |
|
Fuente / Imprenta : |
REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 47., 2010, Salvador, BA. Empreendedorismo e Progresso Científicos na Zootecnia
Brasileira de Vanguarda Brasília, DF: Sociedade Brasileira de Zootecnia: UEM, 2010. Anais |
|
Idioma : |
Portugués |
|
Contenido : |
Resumo: Objetivou-se, com este trabalho, estudar o ajuste de dados de peso, altura e área de olho de
lombo em bovinos da raça Hereford utilizando os modelos não-lineares de Brody, Gompertz, Logístico e
Von Bertalanffy. Foram utilizados dados de 240 animais castrados. As mensurações de peso, altura e
área de olho de lombo foram feitas periodicamente após a desmama e até o abate (500 kg). Todas as
funções não-lineares alcançaram a convergência. As funções de Gompertz, Logístico e Von Bertalanffy
apresentaram melhores ajustes com destaque para o modelo não-linear Logístico que estimou parâmetros
com valores bem próximos ao que foi observado. |
|
Palabras claves : |
ÁREA DE OJO DE LOMO; CURVA DE CRECIMIENTO; PESO VIVO. |
|
Thesagro : |
GANADO DE CARNE. |
|
Asunto categoría : |
L01 Ganadería |
|
Marc : |
LEADER 01469nam a2200217 a 4500
001 1056693
005 2017-07-04
008 2010 bl uuuu u01u1 u #d
100 1 $aESPIGOLAN, R.
245 $aAplicação de modelos não-lineares para o ajuste de características.$h[electronic resource]
260 $aREUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 47., 2010, Salvador, BA. Empreendedorismo e Progresso Científicos na Zootecnia Brasileira de Vanguarda Brasília, DF: Sociedade Brasileira de Zootecnia: UEM, 2010. Anais$c2010
520 $aResumo: Objetivou-se, com este trabalho, estudar o ajuste de dados de peso, altura e área de olho de lombo em bovinos da raça Hereford utilizando os modelos não-lineares de Brody, Gompertz, Logístico e Von Bertalanffy. Foram utilizados dados de 240 animais castrados. As mensurações de peso, altura e área de olho de lombo foram feitas periodicamente após a desmama e até o abate (500 kg). Todas as funções não-lineares alcançaram a convergência. As funções de Gompertz, Logístico e Von Bertalanffy apresentaram melhores ajustes com destaque para o modelo não-linear Logístico que estimou parâmetros com valores bem próximos ao que foi observado.
650 $aGANADO DE CARNE
653 $aÁREA DE OJO DE LOMO
653 $aCURVA DE CRECIMIENTO
653 $aPESO VIVO
700 1 $aBALDI, F.
700 1 $aBANCHERO, G.
700 1 $aBRITO, G.
700 1 $aLA MANNA, A.
700 1 $aALBUQUERQUE, L.G.
Descargar
Esconder MarcPresentar Marc Completo |
|
Registro original : |
INIA La Estanzuela (LE) |
|
|
Biblioteca
|
Identificación
|
Origen
|
Tipo / Formato
|
Clasificación
|
Cutter
|
Registro
|
Volumen
|
Estado
|
Volver
|
|
|
| Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
|
Registro completo
|
|
Biblioteca (s) : |
INIA Las Brujas. |
|
Fecha actual : |
22/09/2023 |
|
Actualizado : |
22/09/2023 |
|
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
|
Circulación / Nivel : |
Internacional - -- |
|
Autor : |
GIORELLO, D.; SBRISSIA, A. F.; SILVA, S. C. D |
|
Afiliación : |
DIEGO GERMAN GIORELLO LEITES, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ANDRÉ FISHER SBRISSIA, Universidade do Estado de Santa Catarina, Lages, Brazil; SILA CARNEIRO DA SILVA, Escola Superior de Agricultura "Luiz de Queiroz", Departamento de Zootecnia, Piracicaba (SP), Universidade de Sao Paulo, Sao Paulo, Brasil. |
|
Título : |
Bahiagrass (Paspalum notatum CV. Inia Sepé) responses to defoliation intensities. |
|
Fecha de publicación : |
2023 |
|
Fuente / Imprenta : |
Grass and Forage Science, 2023: 1-10. https://doi.org/10.1111/gfs.12628 |
|
DOI : |
10.1111/gfs.12628 |
|
Idioma : |
Inglés |
|
Notas : |
Article history: Received 9 December 2022, Revised 18 April 2023, Accepted 24 August 2023. -- Correspondence: Diego German Giorello Leites, Instituto Nacional de Investigación Agropecuaria (INIA), INIA Tacuarembó, Tacuarembó, Uruguay. Email: dgiorello@inia.org.uy -- FUNDING: Agencia Nacional de Investigación e Innovación (ANII); Instituto Nacional de Investigación Agropecuaria (INIA). |
|
Contenido : |
Defoliation management is determinant of forage production and plant persistence. The objective of this study was to identify grazing suitability and stability of herbage production of INIA Sepé subjected to four intensities of defoliation (represented for sward canopies of 3, 10, 17 and 24 cm maintained constant through weekly cuts) and two rates of nitrogen fertilization (100 and 300 kg ha-1). The response variables studied were: botanical/morphological composition of the herbage mass, herbage accumulation, nutritive value, tiller population density (TPD), tiller weight (TW), leaf area index (LAI) and nitrogen nutrition index (NNI) and calculations performed relative to the tiller size x density compensation mechanism (SDC). Taller swards had smaller population of large tillers, with greater individual leaf area, showing a tiller x size density compensation response. Calculations indicated that the regression coefficient for the linear regression between TW and TPD in a log scale was close to -2.5, in agreement with the -5/2 self-thinning rule, with variable LAI and R (ratio between tiller leaf area and volume). The exception was during year 1 for the 100 kg N ha-1, when the regression coefficient was close to -1.5. During year 2 only one replication of the 3 cm and 100 kg N ha-1 did not follow the SDC line. LAI and herbage accumulation were positively correlated with the distance between points of log(TW) x log(TPD) and an hypothetical -3/2 SDC line (p<.0001). Paspalum notatum cv. INIA Sepé shows stability of herbage accumulation and ability to adjust tiller size and population density. © 2023 John Wiley & Sons Ltd. MenosDefoliation management is determinant of forage production and plant persistence. The objective of this study was to identify grazing suitability and stability of herbage production of INIA Sepé subjected to four intensities of defoliation (represented for sward canopies of 3, 10, 17 and 24 cm maintained constant through weekly cuts) and two rates of nitrogen fertilization (100 and 300 kg ha-1). The response variables studied were: botanical/morphological composition of the herbage mass, herbage accumulation, nutritive value, tiller population density (TPD), tiller weight (TW), leaf area index (LAI) and nitrogen nutrition index (NNI) and calculations performed relative to the tiller size x density compensation mechanism (SDC). Taller swards had smaller population of large tillers, with greater individual leaf area, showing a tiller x size density compensation response. Calculations indicated that the regression coefficient for the linear regression between TW and TPD in a log scale was close to -2.5, in agreement with the -5/2 self-thinning rule, with variable LAI and R (ratio between tiller leaf area and volume). The exception was during year 1 for the 100 kg N ha-1, when the regression coefficient was close to -1.5. During year 2 only one replication of the 3 cm and 100 kg N ha-1 did not follow the SDC line. LAI and herbage accumulation were positively correlated with the distance between points of log(TW) x log(TPD) and an hypothetical -3/2 SDC line (p<.0001). Paspalum no... Presentar Todo |
|
Palabras claves : |
LAI; Paspalum notatum; Tiller density; Tiller size. |
|
Asunto categoría : |
K01 Ciencias forestales - Aspectos generales |
|
Marc : |
LEADER 02673naa a2200217 a 4500
001 1064315
005 2023-09-22
008 2023 bl uuuu u00u1 u #d
024 7 $a10.1111/gfs.12628$2DOI
100 1 $aGIORELLO, D.
245 $aBahiagrass (Paspalum notatum CV. Inia Sepé) responses to defoliation intensities.$h[electronic resource]
260 $c2023
500 $aArticle history: Received 9 December 2022, Revised 18 April 2023, Accepted 24 August 2023. -- Correspondence: Diego German Giorello Leites, Instituto Nacional de Investigación Agropecuaria (INIA), INIA Tacuarembó, Tacuarembó, Uruguay. Email: dgiorello@inia.org.uy -- FUNDING: Agencia Nacional de Investigación e Innovación (ANII); Instituto Nacional de Investigación Agropecuaria (INIA).
520 $aDefoliation management is determinant of forage production and plant persistence. The objective of this study was to identify grazing suitability and stability of herbage production of INIA Sepé subjected to four intensities of defoliation (represented for sward canopies of 3, 10, 17 and 24 cm maintained constant through weekly cuts) and two rates of nitrogen fertilization (100 and 300 kg ha-1). The response variables studied were: botanical/morphological composition of the herbage mass, herbage accumulation, nutritive value, tiller population density (TPD), tiller weight (TW), leaf area index (LAI) and nitrogen nutrition index (NNI) and calculations performed relative to the tiller size x density compensation mechanism (SDC). Taller swards had smaller population of large tillers, with greater individual leaf area, showing a tiller x size density compensation response. Calculations indicated that the regression coefficient for the linear regression between TW and TPD in a log scale was close to -2.5, in agreement with the -5/2 self-thinning rule, with variable LAI and R (ratio between tiller leaf area and volume). The exception was during year 1 for the 100 kg N ha-1, when the regression coefficient was close to -1.5. During year 2 only one replication of the 3 cm and 100 kg N ha-1 did not follow the SDC line. LAI and herbage accumulation were positively correlated with the distance between points of log(TW) x log(TPD) and an hypothetical -3/2 SDC line (p<.0001). Paspalum notatum cv. INIA Sepé shows stability of herbage accumulation and ability to adjust tiller size and population density. © 2023 John Wiley & Sons Ltd.
653 $aLAI
653 $aPaspalum notatum
653 $aTiller density
653 $aTiller size
700 1 $aSBRISSIA, A. F.
700 1 $aSILVA, S. C. D
773 $tGrass and Forage Science, 2023: 1-10. https://doi.org/10.1111/gfs.12628
Descargar
Esconder MarcPresentar Marc Completo |
|
Registro original : |
INIA Las Brujas (LB) |
|
|
Biblioteca
|
Identificación
|
Origen
|
Tipo / Formato
|
Clasificación
|
Cutter
|
Registro
|
Volumen
|
Estado
|
Volver
|
| Expresión de búsqueda válido. Check! |
|
|
