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| Registros recuperados: 226 | |
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| DO VALE,Igor; MIRANDA,Izildinha Souza; MITJA,Danielle; SANTOS,Alessio Moreira; SANTOS,Graciliano Galdino Alves dos; LEÃO,Fábio Miranda; OLIVEIRA,Mariana Gomes; COSTA,Luiz Gonzaga da Silva. |
| ABSTRACT Shade-tolerant forest species are among the most susceptible to habitat loss in agricultural mosaics, where a variety of croplands is connected to forests at different levels of anthropogenic disturbance. We aimed to evaluate the community similarity of shade-tolerant species among different land use types across agricultural mosaics with different levels of disturbance. The study was conducted in three municipalities in southern and southeastern Pará state, in eastern Amazonia. A multiple-community similarity measure based on the Horn similarity index was used to compare land use types and assess the resilience of shade-tolerant species towards forest loss and disturbance at the landscape level. High shade-tolerant species similarity was found... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Floristics; Land use; Pasture; Resilience; Similarity. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672020000200124 |
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| Santos, Gilmar Oliveira; Faria, Rogério Teixeira de; Rodriguês, Gilberto Aparecido; Dantas, Geffson de Figueredo; Dalri, Alexandre Barcellos; Palaretti, Luiz Fabiano. |
| The high consumption of water in irrigated agriculture and lack of alternative water sources make reusing sewage water a highly promising option for irrigation. This paper is aimed at evaluating Brachiaria brizantha cv. Marandu forage quality and yield when fertigated with treated sewage wastewater (TSW) and mineral fertilizer, in the 2013 and 2014 crop years in Jaboticabal, São Paulo State, Brazil. A homogeneous water depth was applied using a triple-line sprinkling irrigation system under a gradual TSW application, using the following TSW and water ratios: E5 = 1.0; E4 = 0.87; E3 = 0.6; E2 = 0.31, E1 = 0.11, and E0 = 0.0. Annual biomass yield increased with the TSW application, ranging from 31.3 to 47.4 Mg ha-1 in 2013 and from 25.7 to 56.9Mg ha-1 in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: 5.03.02.00-0 wastewater; Irrigation; Pasture; Forage quality. Engenharia de Água e Solo. |
| Ano: 2017 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32828 |
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| Delbem, Flavia Cristina; Progama de Pós-Graduação em Ciência Animal, Universidade Estadual Paulista, Campus de Araçatuba; Scabora, Márcia Helena; Programa de Pós-Graduação em Produção Vegetal, Universidade Estadual Paulista, Campus de Ilha Solteira; Soares Filho, Cecílio Viega; Universidade Estadual Paulista, Campus de Araçatuba; Heinrichs, Reges; Universidade Estadual Paulista, Campus de Dracena; Ferrari, Tiago Augusto; Progama de Pós-Graduação em Ciência Animal, Universidade Estadual Paulista, Campus de Araçatuba; Cassiolato, Ana Maria Rodrigues; UNESP, Ilha Solteira. |
| The feasibility and increase in the production of new cultivars can be obtained with the practice of nitrogen fertilization. The objective of this study was to verify the effect of sources and levels of nitrogen fertilization, concerning the depths, on the percentage of mycorrhizal colonization and soil fertility when covered by Brachiaria brizantha cv. Xaraés. A randomized blocks design was used and the treatments were under a 3 x 4 factorial scheme, regarding three nitrogen sources (urea, ammonium sulfate, and ajifer-L40) and 4 nitrogen levels (0, 100, 200 and 400 kg ha-1), studied at 2 different depths (0-0.10 and 0.10-0.20 m), with 3 replications. In each plot, the soil samples, composed of 5 simple samples, were collected, sieved, homogenized and sent... |
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Palavras-chave: 5.01.01.04-8 Ajifer; Sulfato de amônio; Ureia; Pastagem Microbiologia e Bioquímica do Solo Ajifer; Ammonium sulfate; Urea; Pasture. |
| Ano: 2010 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/4002 |
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| Siqueira Neto, Marcos; USP; Piccolo, Marisa de Cássia; Centro de Energia Nuclear na Agricultura (CENA/USP); Scopel, Eric; EMBRAPA; Costa Junior, Ciniro; Centro de Energia Nuclear na Agricultura (CENA/USP); Cerri, Carlos Clemente; USP; Bernoux, Martial; Institut de Recherche pour le Development. |
| A região do Cerrado representa uma das maiores áreas cultivada do mundo. Os diferentes usos do solo empregados nesta região podem modificar efetivamente as quantidades de matéria orgânica e alterar a ciclagem dos nutrientes no solo. O objetivo deste estudo foi avaliar o efeito de diferentes sistemas de manejo nas relações entre o carbono total e os atributos químicos de um Latossolo Vermelho distrófico no Cerrado na região de Rio Verde, Estado de Goiás. As áreas estudadas foram cerradão, pastagem de baixa produtividade, plantio convencional de soja e plantio direto de soja com milho em sucessão. Os valores mais baixos no pH, cátions trocáveis, P-disponível e enxofre foram observados no Cerradão, contudo foram encontrados os maiores teores de C-total, que... |
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Palavras-chave: 5.02.01.07-7 Solos Florestais fertilidade do solo; Plantio direto; Plantio convencional; Pastagem; Soja Manejo e Conservação do Solo soil fertility; No-tillage; Conventional tillage; Pasture; Soybean. |
| Ano: 2009 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/792 |
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| Moreira, Andréia Luciane; Agência Paulista de Tecnologia dos Agronegócios; Fagundes, Jailson Lara; Universidade Federal do Sergipe; Yoshihara, Eidi; Agência Paulista de Tecnologia dos Agronegócios; Backes, Alfredo Acosta; Universidade Federal do Sergipe; Barbosa, Leandro Teixeira; Universidade Federal do Sergipe; Heinrichs, Reges; Universidade Estadual Paulista “Júlio de Mesquita Filho". |
| Biomass and forage volume density and the performance and stocking rate of sheep on pastures with nitrogen-fertilized Tifton 85 and subjected to a continuous stocking system were evaluated. Four doses of nitrogen (0, 100, 200, and 400 kg ha-1 year), arranged in an experimental design with randomized blocks and four replications, were analyzed. Sixteen paddocks and Santa Inês sheep were used as test animals, coupled to crossbreed Santa Inês sheep as regulating animal stocking. Nitrogen-fertilized Tifton 85 pastures increased the amount of forage biomass and volume density which affected stocking rate and weight gain of sheep in continuous grazing. When pastures with Tifton 85 were administered in variable load continuous stocking, with grass kept at 15 cm,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: 5.04.00.00-2; 5.04.04.00-8 animal performance; Cynodon spp.; Grazing nitrogen; Pasture; Stocking rate. |
| Ano: 2014 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/21935 |
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| Mercês, Lucas Mercês; Universidade Federal do Recôncavo da Bahia; Marques, Jair de Araújo; Universidade Federal do Recôncavo da Bahia; Barbosa, Larissa Pires; Universidade Federal do Recôncavo; Brandão, Tiago Oliveira; Universidade Federal do Recôncavo da Bahia; Garcia, Maurício Passos; Universidade Federal do Recôncavo da Bahia; Costa, Aline Kelly de Araújo; Universidade Federal do Recôncavo da Bahia. |
| Objetivou-se avaliar a influência do horário de ordenha no comportamento ingestivo de vacas mestiças leiteiras no sistema de produção com o bezerro em pé. O experimento teve duração de 48 dias, no qual foram utilizadas 16 vacas leiteiras mestiças, com diferentes composições genéticas, em ensaio rotativo, com avaliação por período de 12 dias. Os tratamentos avaliados foram horário de ordenha tradicional (5h 30 min.) e alternativo (8h). As vacas foram submetidas à observação visual para avaliação do comportamento ingestivo. Os animais foram avaliados a cada 5 min. durante 24h, para determinação do tempo despendido em alimentação, ruminação e outras atividades. Os tempos gastos com estes itens não foram influenciados (p > 0,05) pelos tratamentos. Houve... |
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Palavras-chave: Ingestão; Pastagem; Ruminação intake; Pasture; Rumination. |
| Ano: 2012 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/12476 |
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| Gallo, Sarita Bonagurio; Arrigoni, Mario de Beni; Lemos, Ana Lucia da Silva C.; Haguiwara, Márcia Mayumi Harada; Bezerra, Helena Viel Alves. |
| This study aimed to assess the influence of lamb finishing systems on zootechnical performance, as well as on carcass and meat quality. The experiment was conducted at the APTA’s experimental farm. Thirty-three lambs were used – both sexes, initial age of 90 ± 3 days, Texel with Santa Inês, each animal being one experimental unit, with 6 males and 5 females per treatment. Treatments consisted of: lambs finished on pasture, in semi-feedlot or in feedlot. The lambs were slaughtered with average live weight of 35 kg. Weight gain and carcass measures were taken by ultrasound. After slaughter, carcass conformation and yield, pH, temperature, color, water retention capacity and tenderness were measured. Animals finished on pasture had lower weight gain, were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Zootecnia carcass conformation; Carcass cut; Feedlot; Meat quality; Pasture; Sheep.. |
| Ano: 2019 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/44742 |
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| Probst, Ricardo; UFSC; Quadros, Sérgio Augusto Ferreira de; UFSC; Erpen, Júlio Graeff; UFSC; Vincenzi, Mário Luiz; UFSC. |
| Neste trabalho objetivou-se avaliar a sobrevivência das estacas e a produção de matéria seca na fase de cultivo de mudas das espécies forrageiras missioneira gigante (Axonopus catharinensis), amendoim forrageiro (Arachis pintoi) e maku (Lotus uliginosus cv. Maku). No sistema hidropônico de leito flutuante com solução nutritiva à base de biofertilizante ou adubo solúvel. O delineamento experimental adotado foi o de blocos ao acaso em esquema fatorial 3 x 2, sendo três espécies forrageiras e duas soluções nutritivas. As espécies não apresentaram diferença quanto à sobrevivência (p = 0,225), independentemente do tipo de fertilizante (p = 0,92). No entanto, quando se quantificou a produção de MS planta-1 proporcionada por cada uma dessas espécies, o maku (p =... |
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Palavras-chave: Hidroponia; Pastagem; Missioneira gigante (Axonopus catharinensis); Amendoim forrageiro; Maku hydroponic; Pasture; Axonopus catharinensis; Forage peanut; Greater lotus. |
| Ano: 2009 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/7459 |
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| Carneiro,R.D.; Amarante,A.F.T.. |
| To evaluate both the development and survival of free-living stages of Haemonchus contortus obtained from feces of infected ovine in the four seasons of the year, eggs of this nematode were deposited on three grass species commonly used as sheep pasture in Brazil (Brachiaria decumbens cv. Australian, Cynodon dactylon cv. Coast-cross, and Panicum maximum cv. Aruana). The grasses were cut 5 or 30cm height before depositing the feces. Samples of grasses and feces were collected in six sub-plots from each plot one, two, four, eight, 12, and 16 weeks after contamination to determine the recovery of infective H. contortus larvae. Most infective larvae were recovered from feces or grass samples deposited on 30cm height herbage. High temperature and precipitation... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sheep; Haemonchus contortus; Pasture. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352008000400014 |
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| Moreira,Fernanda Barros; Souza,Nilson Evelázio de; Matsushita,Makoto; Prado,Ivanor Nunes do; Nascimento,Willian Gonçalves do. |
| The objective of this study was to evaluate the carcass characteristics (carcass weight, carcass yield, fat thickness, loin area, marbling and colour) and chemical composition of the Longissimus dorsi muscle (moisture, ash, crude protein, fat and cholesterol) of cuts with or without fat thickness, of Bos indicus and Bos indicus x Bos taurus crossbred steers finished in millet (Pennisetum americanum L.) or star grass (Cynodon plectostachyus Pilger) pasture systems, with mineral or mineral protein supplementation. Animals were slaughtered with an average body weight of 450 kg (Bos indicus) or 470 kg (Bos indicus x Bos taurus crossbreed). There was no treatments effect on carcass characteristics and meat chemical composition of cut without fat thickness. The... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bos indicus; Bos taurus; Carcass; Meat; Pasture. |
| Ano: 2003 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132003000400016 |
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| Primavesi,Odo; Freitas,Alfredo Ribeiro de; Primavesi,Ana Cândida; Oliveira,Haydée Torres de. |
| The Canchims creek watershed in São Carlos, SP, Brazil, was chosen to evaluate water quality affected by dairy and beef cattle production systems based on tropical pasture. The water samples were collected monthly, during three years, at six sampling points: spring in a tropical forest, spring in an intensive dairy production system, two dam springs, and stream water upward and at the delta. Results showed differences (P<0.01) among sampling points for the mean parameters. True color, hardness, turbidity, electric conductivity, alkalinity, pH, chemical oxygen demand and consumed oxygen explained well differences among sampling points. According to current legislation standards, water quality fitted with most of the established parameters for class 2,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dairy cattle; Beef cattle; Intensive management; Pasture; Water quality; Watershed. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132002000200013 |
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| Luna,Rômulo Gil de; Coutinho,Henrique Douglas Melo; Grisi,Breno Machado. |
| The productivity of a pasture soil (caatinga) located in the region of São João do Cariri, PB, Brazil was evaluated based an the following microbiological parameters: biomass (measured by fumigation-incubation method), activity (estimated from basal respiration and cellulose decomposition rate), qCO2, and Cmic : Corg ratio. This analysis demonstrated that livestock management in the 'caatinga' is probably causing environment damage by affecting the soil properties, reducing the microbial biomass and soil respiration and increasing the qCO2, affecting the recovery of this ecosystem. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Semi-arid; Biomass; Microbial activity; Pasture; Caatinga. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000300001 |
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| Ibáñez,Lorena; Alomar,Daniel. |
| The capability of near infrared reflectance spectroscopy (NIRS) was evaluated to predict the content of total ash (TA), crude protein (CP), crude fiber (CF), neutral detergent fiber (NDF), acid detergent fiber (ADF) and metabolizable energy (ME); as well as pH and ammonia nitrogen content (N-NH3), in pasture silage, with and without additives. Nine hundred and twenty dried and ground samples of pasture silage, with known chemical composition, were scanned over the visible and NIR region (400 to 2500 nm) at 2 nm intervals. Calibration equations were developed by modified partial least square regression models (MPLS) with different mathematical treatments and light scatter correction as standard normal variation and Detrend (SNV & D) of the spectra.... |
| Tipo: Journal article |
Palavras-chave: Nutritional composition; Silage; Pasture; Spectroscopy; NIRS. |
| Ano: 2008 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392008000400005 |
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| Morales,Rodrigo; Folch,Carolina; Iraira,Sergio; Teuber,Nolberto; Realini,Carolina E. |
| In recent years, beef industry has improved production processes to ensure quality and certification for overseas meat markets. However, there is limited scientific information about the nutritional quality of beef from Chile. The aim of the present study was to evaluate the nutritional quality of beef produced in Chile from different production systems classified according to the type of finishing diet. Two-hundred and five animals from 13 livestock farms were used, 80 steers were finished on grazing pasture, 79 on pasture supplemented with grain or concentrate and 46 steers were finished on a typical feedlot system in the central zone of Chile. Longissimus thoracis intramuscular fat, fatty acid composition and cholesterol content were determined. Beef... |
| Tipo: Journal article |
Palavras-chave: Fatty acids; Pasture; Feedlot; Chilean beef quality. |
| Ano: 2012 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392012000100013 |
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| Registros recuperados: 226 | |
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