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      Nitrogen balance of goat kids fed diets containing peach palm meal Translated title: [Balanço de nitrogênio em caprinos alimentados com dietas contendo farinha de pupunha]

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          Translated abstract

          RESUMO O objetivo deste estudo foi avaliar o balanço de nitrogênio e a concentração de ureia no plasma em cabritos alimentados com dietas contendo farinha de pupunha em substituição ao milho (0, 10, 40, 60 e 85% MS). Trinta cabritos Boer × SRD, com 90 dias de idade e peso corporal inicial de 16,7 ± 3,5kg, foram distribuídos em um delineamento inteiramente ao acaso, com seis repetições. As dietas foram fornecidas diariamente ad libitum para permitir 10% das sobras. Três coletas foram realizadas a cada 28 dias. As dietas foram constituídas por milho, farelo de soja, farinha de pupunha, suplemento mineral e feno de Tifton-85, com a relação volumoso: concentrado de 30:70. O consumo de nitrogênio (N) diminuiu linearmente à medida que a farinha de pupunha substituiu o milho no concentrado. Com relação ao N digerido, os animais alimentados com níveis de farinha de pupunha apresentaram valores inferiores aos alimentados com o milho como única fonte de energia, com médias de 14,9 e 17,1g dia-1, respectivamente. A excreção urinária de N diminuiu à medida que a farinha de pupunha substituiu o milho no concentrado. O nível de 39% de farinha de pupunha reduziu a excreção urinária de ureia. Houve retenção máxima de N em 7,83g dia-1 para o nível de substituição de milho de 28,9% em farinha de pupunha.

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          Nutritional Ecology of the Ruminant

          This monumental text-reference places in clear persepctive the importance of nutritional assessments to the ecology and biology of ruminants and other nonruminant herbivorous mammals. Now extensively revised and significantly expanded, it reflects the changes and growth in ruminant nutrition and related ecology since 1982. Among the subjects Peter J. Van Soest covers are nutritional constraints, mineral nutrition, rumen fermentation, microbial ecology, utilization of fibrous carbohydrates, application of ruminant precepts to fermentive digestion in nonruminants, as well as taxonomy, evolution, nonruminant competitors, gastrointestinal anatomies, feeding behavior, and problems fo animal size. He also discusses methods of evaluation, nutritive value, physical struture and chemical composition of feeds, forages, and broses, the effects of lignification, and ecology of plant self-protection, in addition to metabolism of energy, protein, lipids, control of feed intake, mathematical models of animal function, digestive flow, and net energy. Van Soest has introduced a number of changes in this edition, including new illustrations and tables. He places nutritional studies in historical context to show not only the effectiveness of nutritional approaches but also why nutrition is of fundamental importance to issues of world conservation. He has extended precepts of ruminant nutritional ecology to such distant adaptations as the giant panda and streamlined conceptual issues in a clearer logical progression, with emphasis on mechanistic causal interrelationships. Peter J. Van Soest is Professor of Animal Nutrition in the Department of Animal Science and the Division of Nutritional Sciences at the New York State College of Agriculture and Life Sciences, Cornell University.
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            Standardization of procedures for nitrogen fractionation of ruminant feeds

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              Gravimetric determination of amylase-treated neutral detergent fibre in feeds with refluxing in beakers or crucibles: Collaborative study

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                Author and article information

                Journal
                abmvz
                Arquivo Brasileiro de Medicina Veterinária e Zootecnia
                Arq. Bras. Med. Vet. Zootec.
                Universidade Federal de Minas Gerais, Escola de Veterinária (Belo Horizonte, MG, Brazil )
                0102-0935
                1678-4162
                March 2021
                : 73
                : 2
                : 543-549
                Affiliations
                [3] Salvador Bahia orgnameUniversidade Federal da Bahia orgdiv1Escola de Medicina Veterinária e Zootecnia Brazil
                [2] Itapetinga Bahia orgnameUniversidade Estadual do Sudoeste da Bahia Brazil
                [1] Itapetinga Bahia orgnameUniversidade Estadual do Sudoeste da Bahia Brazil
                Article
                S0102-09352021000200543 S0102-0935(21)07300200543
                10.1590/1678-4162-11656
                6931fc07-f818-4203-9177-c33dc93dd41c

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 07 August 2019
                : 29 December 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 31, Pages: 7
                Product

                SciELO Brazil

                Categories
                Communication

                Communication & Media studies
                nitrogen excretion,sustainability,urea,Bactris gasipaes Kunth,excreção de nitrogênio,resíduos do agronegócio,sustentabilidade,ureia,agribusiness residues

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