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Acceso al texto completo restringido a Biblioteca INIA Tacuarembó. Por información adicional contacte bibliotb@tb.inia.org.uy.
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Biblioteca (s) :  INIA Tacuarembó.
Fecha :  24/03/2021
Actualizado :  24/03/2021
Tipo de producción científica :  Artículos en Revistas Indexadas Internacionales
Autor :  COSTA, F.D.O.; VALENTE, T.S.; DE TOLEDO, L.M.; AMBRÓSIO, L.A.; DEL CAMPO, M.; PARANHOS DA COSTA, M.J.R.
Afiliación :  FRANCIELY DE OLIVEIRA COSTA, UNESP, Faculdade de Ciencias Agrarias e Veterinarias, Programa de pos-Graduaçao em Zootecnia, Jaboticabal, SP, Brazil: Centro Universitario Doutor Leao Sampaio, Juazeiro do Norte, CE, Brazil; TIAGO S. VALENTE, UNESP, Faculdade de Ciencias Agrarias e Veterinarias, Departamento de Zootecnia, 14884-900, Jaboticabal, SP, Brazil: Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada; LUCIANDRA MACEDO DE TOLEDO, Instituto de Zootecnia, SAA/APTA, Nova Odessa, SP, Brazil; LUÍS ALBERTO AMBROSIO, Instituto de Zootecnia, SAA/APTA, Nova Odessa, SP, Brazil; MARCIA DEL CAMPO GIGENA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MATEUS J.R. PARANHOS DA COSTA, UNESP, Faculdade de Ciências Agrárias e Veterinárias, Programa de Pós-Graduação em Zootecnia, SP, Brazil: UNESP, Faculdade de Ciências Agrárias e Veterinárias, Brazil; Pesquisador do Conselho Nacional de Desenvolvimento Científico e Tecnologico, Brazil.
Título :  A conceptual model of the human-animal relationships dynamics during newborn handling on cow-calf operation farms.
Fecha de publicación :  2021
Fuente / Imprenta :  Livestock Science, 2021, Volume 246, Article number 104462. Doi: https://doi.org/10.1016/j.livsci.2021.104462
DOI :  10.1016/j.livsci.2021.104462
Idioma :  Español
Notas :  Article history: Received 24 August 2020, Revised 23 February 2021, Accepted 24 February 2021, Available online 28 February 2021. Acknowledgements: We appreciated the support of Coordenaçao de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES, Finance Code 001), which had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. The study was part of the doctoral thesis of the first author, prepared for the Graduate Program in Animal Science at S? ao Paulo State University, Faculty of Agricultural and Veterinary Sciences, Jaboticabal, SP, Brazil. Appreciation is expressed to the manager and staff of Fazenda Sao ? Marcelo (Juruena, MT, Brazil) for offering the opportunity for data collection and given total support during the period that we stayed among them.
Contenido :  ABSTRACT: Neonate calves are usually handled a day after birth for navel care and identification. During this procedure the newly calved cows usually become agitated and, in some cases, exhibit aggressive behavior toward humans, increasing the risk of accidents for both, humans and animals. In order to understand the dynamic relationships between cow, calf, and cowhand?s behavior expressed in this particular situation, a conceptual model was built by using the system dynamics methodology. Three dynamic hypotheses were formulated regarding the causeeffect relationship between: i) livestock-handling quality and maternal aggressiveness; ii) livestock-handling quality and newborn calf reactivity, and; iii) newborn calf reactivity and maternal aggressiveness. The first two hypotheses indicated that the improvement (increase) in handling quality will cause an effect in the opposite direction, decreasing cows aggressiveness and calfs reactivity towards the cowhands. The third hypothesis indicated that the greater the calfs reactivity, the greater will be the cow?s aggressiveness, interconnecting cowcalf behaviors. Moreover, the cow, calf, and cowhand subsystems are also comprised of other variables such as human and animal welfare and the occurrence of labor accidents. The combination of these three subsystems constituted a complex general dynamic model highlighting the connection among all agents involved in newborn handling procedure. Despite the complexity it is possible to iden... Presentar Todo
Palabras claves :  BUENAS PRÁCTICAS DE MANIPULACIÓN; CAUSAL LOOP DIAGRAM; COW AGGRESSIVENESS; GOOD PRACYICES OF HANDING; MATERNAL PROTECTIVE BEHAVIOR.
Thesagro :  BIENESTAR ANIMAL; GANADERÍA.
Asunto categoría :  L01 Ganadería
Marc :  Presentar Marc Completo
Registro original :  INIA Tacuarembó (TBO)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
TBO103403 - 1PXIAP - DD

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Acceso al texto completo restringido a Biblioteca INIA Treinta y Tres. Por información adicional contacte bibliott@inia.org.uy.
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Biblioteca (s) :  INIA Treinta y Tres.
Fecha actual :  03/06/2015
Actualizado :  11/10/2019
Tipo de producción científica :  Artículos en Revistas Indexadas Internacionales
Circulación / Nivel :  A - 2
Autor :  GEALY, D.R.; SALDAIN, N.; TALBERT, R.E.
Afiliación :  NESTOR ELIO SALDAIN CROCCE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay.
Título :  Emergence of red rice (Oryza sativa) ecotypes under dry-seeded rice (Oriza sativa) culture.
Fecha de publicación :  2000
Fuente / Imprenta :  Weed Technology, 2000, v. 14,
Páginas :  p. 406-412.
ISSN :  0011-183X
DOI :  10.1614/0890-037X(2000)014[0406:EORROS]2.0.CO;2
Idioma :  Inglés
Notas :  Article history: received for publication August 31, 1998; revised form February 25, 2000.
Contenido :  Abstract: The effect of seeding depth on emergence of red rice (Oryza sativa) ecotypes from Arkansas (AR), Louisiana (LA), and Mississippi (MS) was determined under dry-seeded rice production in clay and silt loam soils in Arkansas. By 21 d after planting (DAP), all red rice ecotypes had emerged from planting depths of 1.3, 2.5, 5.0, and 7.5 cm in both clay and silt loam soils. In silt loam soil, seedling emergence from 2.5 cm 7 DAP tended to be greater than from 1.3 cm in an early (normal temperature) planting. Also in this situation, the LA ecotype emerged more vigorously than the other ecotypes at all seeding depths and emerged from 7.5 cm at levels 1.5 times those of the other ecotypes at the same depth. In the clay soil, seedling emergence from 7.5 cm at 21 DAP was greater for the LA and MS ecotypes than for the AR ecotype in an early planting, but these differences were not observed for a late (elevated temperature) planting. Seedling emergence was earlier and greater in silt loam than in clay. The LA ecotype generally produced the greatest aboveground dry matter, especially at the early planting. The MS ecotype averaged 30% less dry matter production than the AR ecotype for the late planting in both soils. The ability of the LA and MS ecotypes to emerge from greater depths than the AR ecotype under certain soil and temperature conditions suggests that they could be more difficult to control with cultural practices used in dry-seeded rice culture.
Palabras claves :  GERMINATION; ORYZA SATIVA L; RED RICE; RED RICE EMERGENCE DEPTH; SOIL TEXTURE.
Thesagro :  ARROZ; ARROZ ROJO; EMERGENCIA; GERMINACION; TEXTURA DEL SUELO.
Asunto categoría :  H60 Malezas y escardas
Marc :  Presentar Marc Completo
Registro original :  INIA Treinta y Tres (TT)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
TT100794 - 1PXIAP - PPPP/Saldain/Arb/2000/1
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