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Avaliacao De Modelos Desenvolvidos Para Auxiliar A Tomada De Decisao Em Sistemas De Producao De Ruminantes Em Pastagens
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Book Synopsis Avaliação de modelos desenvolvidos para auxiliar a tomada de decisão em sistemas de produção de ruminantes em pastagens by : H. R. de MEIDEIROS
Download or read book Avaliação de modelos desenvolvidos para auxiliar a tomada de decisão em sistemas de produção de ruminantes em pastagens written by H. R. de MEIDEIROS and published by . This book was released on 2003 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conceitos de sistemas e modelos matemáticos; Modelagem matemática da dinâmica da pastagem; Avaliação do modelo stockpol nos sitemas de pecuária de corte brasileiro; Validação de um modelo matemático para estimar o acúmulo de forragem em função de variáveis climáticas; Avaliação de modelos matemáticos para estimar o consumo de forragem e o desempenho animal em pastagens.
Book Synopsis Computational Methods for Agricultural Research: Advances and Applications by : do Prado, Hrcules Antonio
Download or read book Computational Methods for Agricultural Research: Advances and Applications written by do Prado, Hrcules Antonio and published by IGI Global. This book was released on 2010-10-31 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book brings computing solutions to ancient practices and modern concerns, sowing the seeds for a sustainable, constant food supply, utilizing cutting-edge computational techniques"--Provided by publisher.
Book Synopsis Avaliação de modelos matemáticos desenvolvidos para auxiliar a tomada de decisão em sistemas de produção de ruminantes em pastagens by : Henrique Rocha de Medeiros
Download or read book Avaliação de modelos matemáticos desenvolvidos para auxiliar a tomada de decisão em sistemas de produção de ruminantes em pastagens written by Henrique Rocha de Medeiros and published by . This book was released on 2003 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Continuação) tomada de decisão nos sistemas de produção de ruminantes em pastagens do Brasil. O Modelo de UF proposto é adequado para estimar a produção de Cynodon spp. desde que os fatores de variação sejam unicamente fotoperíodo e temperatura. Nesse modelo o as simulações deverão ser realizadas para períodos entre 28 e 42 dias, e a temperatura base utilizada entre 13 e 15 ðC. No futur, mais variáveis (e. g. balanço hídrico) deverão ser incorporadas ao modelo a fim de melhorar a exatidão das suas estimativas. Com relação ao modelo para estimar consumo de forragem por ruminantes em pastagem, este deverá ser reparametrizado e/ou utilizar a oferta de folhas (massa de folhas verdes dividida pelo peso vivo animal, ambos numa mesma área de pastagem), quando para sistemas que utilizem pastagens de clima tropical. O modelo para estimar performance, não estimou corretamente o desempenho dos animais, provavelmente isto foi devido a superestimativa do custo energético do pastejo e/ou da subestimativa do valor nutricional da dieta selecionada pelos animais. Espera-se que solucionado esse problema, o modelo de desempenho animal possa trabalhar em conjunto com os modelos de UF e de consumo de forragem para assim, poder-se realizar simulações de um sistema de produção de ruminantes nas condições climáticas brasileiras e com pastagens de clima tropical.
Author :Management Association, Information Resources Publisher :IGI Global ISBN 13 :1609604733 Total Pages :2156 pages Book Rating :4.6/5 (96 download)
Book Synopsis Green Technologies: Concepts, Methodologies, Tools and Applications by : Management Association, Information Resources
Download or read book Green Technologies: Concepts, Methodologies, Tools and Applications written by Management Association, Information Resources and published by IGI Global. This book was released on 2011-03-31 with total page 2156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Green Technologies: Concepts, Methodologies, Tools and Applications assembles the most up-to-date collection of research results and recent discoveries in environmental and green technology. This comprehensive anthology covers a wide range of topics, i
Book Synopsis Modelos para a tomada de decisões na produção de bovinos e ovinos by : D. M. Everling
Download or read book Modelos para a tomada de decisões na produção de bovinos e ovinos written by D. M. Everling and published by . This book was released on 2002 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Premissas básicas para o desenvolvimento de modelos na agricultura; Modelando o sistema de produção leiteira em pastagens; Con Past 3.0 - Programa de computação para estimar o consumo de bovinos em pastejo: Uma aplicação em sistemas leiteiros; Integração sócio-bio-econômica através de modelos matemáticos: Uma aplicação de estudos na região sudoeste do Estado do Rio Grrande do Sul; Aplicação do enfoque de sistemas e modelos para o estudo de sistemas de pecuária extensiva no Uruguai; Modelos de crescimento, digestão e lactação em bovinos.
Book Synopsis Avaliação de Pastagem by : Fabíola Cristine de Almeida Rego
Download or read book Avaliação de Pastagem written by Fabíola Cristine de Almeida Rego and published by Editora Científica. This book was released on 2024-07-17 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: As forrageiras são os principais alimentos utilizados na alimentação dos ruminantes. Neste sentido, a avaliação das pastagens torna-se componente essencial na gestão dos sistemas de produção animal, influenciando diretamente a produtividade e a sustentabilidade das operações agropecuárias. A qualidade das pastagens impacta a nutrição dos animais, a produção de carne e leite, bem como a saúde do solo e a biodiversidade do ecossistema. Uma avaliação eficiente permite identificar deficiências nutricionais, ajustar a carga animal e adotar práticas de manejo adequadas, otimizando a utilização dos recursos disponíveis. Existem diversos métodos para avaliar a qualidade e a quantidade das pastagens. Entre os métodos quantitativos, destacam-se o corte e pesagem, onde se colhem amostras representativas da forragem para determinação da massa seca. Outro método amplamente utilizado é o uso de régua de altura de pastagem, que estima a biomassa através da medição da altura da vegetação. Já os métodos qualitativos envolvem a análise da composição botânica e do valor nutritivo da forragem, sendo comum o uso de análises para determinar os teores de matéria seca das amostras. Além disso, a tecnologia tem avançado significativamente na área de avaliação de pastagens, mas é importante optar pelo método de avaliação das pastagens que melhor se ajuste à realidade da propriedade. Assim, ao combinar os métodos tradicionais com as inovações tecnológicas, pode-se garantir a sustentabilidade e a eficiência dos sistemas de produção animal. Ao longo deste e-book, oferecemos uma jornada que abrange desde a identificação das plantas forrageiras, classificando-as em gramíneas e leguminosas; métodos direto e indireto de avaliação da massa de forragem na pastagem; avaliação da altura e densidade; além de técnicas de colheita, preparo e determinação da massa seca da forrageira. Acesse o livro na íntegra em: https://repositorio.pgsscogna.com.br/handle/123456789/68021
Book Synopsis Uso de modelos de simulação para auxiliar a tomada de decisões em produção animal by : V. C. P. Silveira
Download or read book Uso de modelos de simulação para auxiliar a tomada de decisões em produção animal written by V. C. P. Silveira and published by . This book was released on 2001 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Características do Modelo Pampa Corte; Descrição dos dados utilizados na comparação com os simulados; Simulações.
Book Synopsis Mathematical Models in Agriculture by : J. H. M. Thornley
Download or read book Mathematical Models in Agriculture written by J. H. M. Thornley and published by CABI. This book was released on 2007 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt: Role of mathematical models; Dynamic deterministic models; Mathematical programming; Basic biological processes; Growth functions; Simple dynamic growth models; Simple ecological models; Envinment and weather; Plant and crop processes; Crop models; Crop husbandry; Plant diseases and pests; Animal processes; Animal organs; Whole-animal models; Animal products; Animal husbandry; Animal diseases; Solutions exercises; Mathematical glossary.
Book Synopsis Principles for Building Resilience by : Reinette Biggs
Download or read book Principles for Building Resilience written by Reinette Biggs and published by Cambridge University Press. This book was released on 2015-04-02 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reflecting the very latest research, this book provides an in-depth review of the role of resilience in the management of social-ecological systems and the ecosystem services they provide. Leaders in the field outline seven principles for building resilience in social-ecological systems, examining how these can be applied to advance sustainability.
Download or read book Tapirs written by Daniel M. Brooks and published by IUCN. This book was released on 1997 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Descended from a long and ancient lineage, tapirs are important tropical forest seed dispersers. However, today, all species of tapirs are threatened to various degrees by habitat destruction and hunting. This action plan was written with wildlife biologists, ecologists, administrators, educators and local conservation officials in mind and is aimed at those countries with tapir populations. It provides a brief natural history of each species and its objective is to aid in their conservation by catalyzing conservation action. In addition, it is hoped that the contents of the plan will stimulate further research into this fascinating group of animals.
Download or read book Grain Transportation Report written by and published by . This book was released on 1998 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Root Development and Function by : P. J. Gregory
Download or read book Root Development and Function written by P. J. Gregory and published by . This book was released on 1987 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Veterinary Parasitology Reference Manual by : William J. Foreyt
Download or read book Veterinary Parasitology Reference Manual written by William J. Foreyt and published by John Wiley & Sons. This book was released on 2013-05-31 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Veterinary Parasitology Reference Manual, Fifth Edition is a practical, thorough, bench top reference for basic diagnostic veterinary parasitology. The manual provides pertinent information on parasite life cyles, importance, location in the host, zoonotic potential, current literature, diagnosis, and treatment. It also includes step-by-step instructions for the most common diagnostic procedures used in routine veterinary practice. Sections are organized by animal host species, including dogs; cats; cattle, sheep and goats; llamas; horses; pigs; birds; ratites (ostriches, emus, and cassowaries); and laboratory animals, as well as wildlife, reptiles, marine mammals, and humans. There is a section in which common artifacts found in fecal samples are presented, and the last section includes conversion tables and a list of abbreviations. Features of the Fifth edition include: * updated and enhanced references * information on new drugs * improved section on parasites of marine mammals * sections on parasites of laboratory animals and humans * over 500 photographs and figures Readers will find this to be an easily accessible and accurate resource for information about parasites in a variety of animals - wild, domestic, common and exotic.
Download or read book Brachiaria written by John W. Miles and published by CIAT. This book was released on 1996 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Identifying and naming Brachiaria species. Morphology, taxonomy, and natural distribution of Brachiaria (Trin.) Griseb. Natural variation in Brachiaria and existing germplasm collections. The agronomy and physiology of Brachiaria species. National requirementes of Brachiaria and adaptation to acid soils. Nutrient cycling and environmental impact of Brachiaria Pastures. Pests and diseases of Brachiaria species. Nutritional quality and animal production of Brachiaria pastures. Reproductive physiology, seed production, and seed quality of Brachiaria. Seed production: perspective from the Brazilian private sector. Genetic, cytogenetics, and reproductive biology of Brachiaria. Manipulation of apomixis in Brachiaria breeding. Theoretical potential of biotechniques in crop improvement. Aplication of biothecnology to Brachiaria. Regional experience with Brachiaria: Tropical America-humid lowlands. Regional experience with Brachiaria: Tropical America-savannas. Regional experience with Brachiaria: Sub-savannas Africa. Regional experience with Brachiaria: Asia, the South Pacific, and Australia. Reports of working groups.
Download or read book Climate Change written by Johan Eliasch and published by Earthscan. This book was released on 2008 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: First Published in 2008. Routledge is an imprint of Taylor & Francis, an informa company.
Book Synopsis The Ecology and Management of Grazing Systems by : John Hodgson
Download or read book The Ecology and Management of Grazing Systems written by John Hodgson and published by Cabi. This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The understanding and management of land resources used by grazing animals are of major importance to ecologists and agricultural and environmental scientists. This book fills a major gap in the market by synthesising a range of perspectives on grazing systems, drawn from plant science, animal science and ecology. It outlines the principles of herbage growth and competition; of animal nutrition and grazing behavior; and of the interactions of plant and animal factors that are central to an understanding of grazing systems. Chapters on the management of grazing systems cover both intensive and extensive systems (including rangelands) from all major agroecological zones of the world. The book is written by leading authorities from the USA, UK, Australia, New Zealand, South Africa, Israel and France. It represents a major contribution to the literature for advanced students and research workers concerned with plant science (especially grasslands), animal science (especially ruminants), and natural and agricultural ecosystems.
Book Synopsis The Physiology of Vegetable Crops, 2nd Edition by : Hans Christian Wien
Download or read book The Physiology of Vegetable Crops, 2nd Edition written by Hans Christian Wien and published by CABI. This book was released on 2020-05-01 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: Completely updated and revised, this bestselling book continues to explain the growth and developmental processes involved in the formation of vegetables. Since the publication of the successful first edition significant discoveries, particularly in the area of molecular biology, have deepened and broadened our knowledge and understanding of these processes. This new edition brings the topic up-to-date and is presented over two sections: the first provides general knowledge on germination, transplanting, flowering, the effects of stress and modelling, whilst the second section details the physiology of specific crops or crop groups.
