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Search Results: 1 - 10 of 331 matches for " Ulysses Cecato "
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Production and quality of coastcross conserted forage groundnut under nitrogen fertilization and different grazing layers Produ o e qualidade da consorcia o de coastcross com amendoim forrageiro adubada com nitrogênio em diferentes estratos sob pastejo
Ulysses Cecato,Wagner Paris,Claudio Roma,Veridiana Lim?o
Revista Brasileira de Saúde e Produ??o Animal , 2011,
Abstract: The objective was to evaluate the forage mass production and quality in the morphologic components in different layers of coastcross grass (Cynodon dactylon [L.] Pers cv Coastcross-1) in consortium with forage Groundnut (Arachis pintoi Krapovikas y Gregory cv. Amarillo) with and without N fertilization. The treatments were: coastcross + forage groundnut without N (CA0); with 100kg/ha of N (CA100); with 200 kg/ha of N (CA200); and coastcross exclusively with 200kg/ha of N per year (C200) in the spring, summer and fall. It was used a randomized block design in a split plot. The layers were from zero to 7cm above the soil, 8 to 14cm, and above 15cm. In the lower layers there was higher total forage mass production. For the grass fractions there was no difference in the lower and higher layers however it was observed highter mass production with highest levels of fertilization. The senescent material was higher in fall. The intermediate layer showed superior values in the spring and fall compared to summer as a result of grazing in this layer be constituted of highest percentage of culms witch presented highest quality. The quality values were higher in treatments with nitrogen fertilization. Objetivou-se avaliar a massa de forragem e qualidade bromatológica dos componentes morfológicos nos diferentes estratos do pasto de coastcross (Cynodon dactylon [L.] Pers cv Coastcross-1) em consorcio com amendoim forrageiro (Arachis pintoi Krapovikas y Gregory cv Amarillo) com e sem utiliza o de N. Os tratamentos foram: coastcross + amendoim forrageiro sem nitrogênio (CA0); com 100kg/ha de N (CA100); com 200kg/ha de N (CA200) e coastcross exclusiva com 200kg/ha de N por ano (C200) na primavera, ver o e outono. Utilizou-se um delineamento em blocos casualizados em esquema de parcelas subdivididas. Os estratos foram de zero a 7cm a partir do solo, de 8 a 14cm e acima de 15cm. Nos estratos inferiores verificou-se maior MF. Para as fra es da gramínea n o houve diferen as nos estratos mais baixos e altos, porém nos tratamentos com maiores níveis de aduba o a massa de forragem foi superior. O material senescente foi superior no outono. O estrato intermediário apresentou valores superiores na primavera e outono comparados ao ver o, consequência do pastejo deste estrato estar constituído de maior percentagem de colmos. O valor nutritivo foi superior nos tratamentos que receberam aduba o nitrogenada.
Desempenho de bovinos em capim-tanzania adubado com nitrogênio ou consorciado com Estilosantes Performance of beef cattle grazing Tanzania grass fertilized with nitrogen or intercropped with Stylo
Ossival Lolato Ribeiro,Ulysses Cecato,Bruno Shigueo Iwamoto,Alyson Pinheiro
Revista Brasileira de Saúde e Produ??o Animal , 2011,
Abstract: Com este estudo objetivou-se avaliar a massa seca de forragem e laminas foliares, ganho médio diário, taxa de lota o e ganho de peso vivo em capim-tanzania (Panicum maximum Jacq.) no período de novembro de 2008 a julho de 2009 sob lota o contínua. Utilizou-se delineamento experimental em blocos ao acaso em parcela subdivididas, com três repeti es, e como tratamentos: Tanzania + Estilosantes Campo Grande; Tanzania + 75kg/ha de N; Tanzania + 150kg/ha de N e Tanzania + 225kg/ha de N, e nas sub-parcelas os períodos do ano: primavera, ver o e outono. No ver o, a massa seca de forragem e laminas foliares foram superiores à primavera e outono. O tratamento com 225kg de N apresentou maior massa seca de forragem e massa seca de laminas foliares no ver o e outono. Obteve-se maior ganho médio diário no ver o. Na primavera e no ver o n o houve diferen a entre os tratamentos para o ganho médio diário, e no outono o tratamento com 225kg/ha de N foi superior. A taxa de lota o foi semelhante no ver o e outono, e menor na primavera. O tratamento com 225kg de N apresentou maior taxa de lota o na primavera e ver o. O tratamento com 225kg de N apresentou maior ganho de peso vivo no outono, na primavera e ver o o 150 kg de N foi semelhante. A disponibilidade de massa seca de forragem e o desempenho animal proporcionado pelo Estilosantes foram equivalentes à aduba o nitrogenada até a dose de 75kg de N. This study aimed to evaluate the dry mass of forage and leaf blade dry mass, average daily gain, stocking rate and live weight gain in Tanzania grass (Panicum maximum Jacq.) from November/2008 to July/2009, on continuous stocking. The experimental design was a split-plot arrangement in a randomized blocks design, with three replications and four treatments: Tanzania + Campo Grande Stylo; Tanzania + 75kg/ha of N; Tanzania + 150kg/ha of N and Tanzania + 225kg/ha of N, subplots were the seasons of the year: Spring, Summer and Autumn. The forage dry mass and leaf blade dry mass was higher in Summer compared to Spring and Autumn. The treatment with 225kg of N presented higher dry mass of forage and leaf blade dry mass in Summer and Autumn. It was obtained the higher average daily gain in the Summer. In the Spring and Summer no differences were observed for average daily gain, but in the Autumn the treatment with 225kg/ha of N was the best. The stocking rate was similar in Summer and Autumn, but lower in Spring. The treatment with 225kg of N presented the higher stocking rate in Spring and Summer. The treatment with 225kg of N presented the higher live weight gain in Autumn, w
The use of N-alkanes to estimate intake and digestibility of coastcross-1 and Arachis pintoi mixed pasture Uso de N-alcanos para estimar o consumo e a digestibilidade da pastagem de coastcross-1 consorciada com "Arachis pintoi"
Wagner Paris,Ulysses Cecato,Nelson Fukumoto,Julio Cesar Damasceno
Revista Brasileira de Saúde e Produ??o Animal , 2009,
Abstract: The trial was carried out to evaluate the alkanes (C27 to C35) profile, dry matter intake and digestibility of Coastcross-1 and Arachis pintoi mixed pasture with or without nitrogen fertilization in two periods (December/2003 and April/2004). The treatments evaluated were: CA0 = Coastcross + Arachis pintoi without N; CA100 = Coastcross + Arachis pintoi with 100 kg of N; CA200 = Coastcross + Arachis pintoi with 200 kg of N and C200 = Coastcross with 200 kg of N. The experimental period was composed by 8 days, with 3 days for marker administration (C32 in cellulose pelets) and 5 days for fecal collection, directly from animal rectum. Sixteen animals were used and maintained on grazed area since June 2003. From December to April, for pasture constituents, there was predominance of n-alkanes with odd chain, mainly for those with higher length chain (C29, C31 and C33), excepting leaves blade of Coastcross that presented the C27 alkane in higher concentration than C33. The highest amounts of n-alkanes C31 and C33 occurred during December. Animal’s intake and DMD did not present differences (P>0.05). The values of DMD using n-alkanes were similar to in vitro DMD of leaves blade from Coastcross. O experimento foi realizado com o objetivo de determinar o perfil dos alcanos (C27 a C35), o consumo e a digestibilidade da matéria seca do pasto de Coastcross-1 consorciada com Arachis pintoi com e sem aduba o nitrogenada em dois períodos (dezembro/2003 e abril/2004). Os tratamentos avaliados foram: CA0 = Coastcross + Arachis pintoi sem N; CA100 = Coastcross + Arachis pintoi com 100 Kg de N; CA200 = Coastcross + Arachis pintoi com 200 kg de N e C200 = Coastcross com 200 kg de N. O período experimental foi de 8 dias, 3 dias para o indicador administrado (C32 em peletes de celulose) e 5 dias de coleta de fezes, diretamente no reto do animal. Utilizou-se um delineamento em blocos ao acaso com duas repeti es. Foram utilizadas 16 novilhas cruzadas. Nos períodos de dezembro e abril, para os constituintes do pasto, houve predomínio dos n-alcanos de cadeia ímpar, principalmente para aqueles de maior comprimento de cadeia (C29, C31 e C33), exce o para as laminas foliares da Coastcross que apresentou o alcano C27 em maior concentra o do que o C33. As maiores quantidades de n-alcanos C31 e C33 ocorreram no mês de dezembro. O consumo dos animais e a digestibilidade do pasto n o apresentaram diferen as (P>0,05). Os valores dos CDMS, com utiliza o dos n-alcanos, foram semelhantes aos CDMS in vitro das laminas foliares da Coastcross
Dynamics of yield and nutritional value for winter forage intercropping
Paris, Wagner;Marchesan, Renato;Cecato, Ulysses;Martin, Thomas Newton;Ziech, Magnos Fernando;Borges, Gisele Daiane Silveira;
Acta Scientiarum. Animal Sciences , 2012, DOI: 10.4025/actascianimsci.v34i2.11507
Abstract: the work was carried out to assess mass production and nutritional content of winter forages using lopsided oat (avena strigosa) and white oat (avena sativa) intercropped with ryegrass (lolium multiflorum) and vetch (vicia sativa l.). the species were intercropped as the following treatments: lopsided oat with ryegrass (lo+rg); white oat with ryegrass (co+rg); lopsided oat with vetch (lo+v); white oat with vetch (co+v); lopsided oat, vetch and ryegrass (lo+rg+v); and white oat, ryegrass and vetch (co+rg+v). the study evaluated total forage mass production of each intercropping and crude protein levels, neutral detergent fiber and in vitro digestibility coefficient of dry matter. the results indicate that forage yield of oats was higher in early assessments, and ryegrass and vetch were higher in the final evaluation period. the crude protein levels and neutral detergent fiber were higher at the start of the experiment for all evaluated treatments, and those including vetch intercropped with oats showed an increase in these parameters in the final period due to the presence of vetch, which has a more delayed cycle.
Composi??o química e digestibilidade em ovinos da grama estrela ensilada com diferentes aditivos
Bumbieris Junior, Valter Harry;Jobim, Clóves Cabreira;Calixto Junior, Moysés;Cecato, Ulysses;
Ciência e Agrotecnologia , 2009, DOI: 10.1590/S1413-70542009000500030
Abstract: the purpose of this study was to evaluate the chemical composition and apparent digestiblity in sheep of stargrass ensilaged with different additives. the additives used were enzyme-bacterial inoculent (in two concentrations) and urea (10 kg/ton), totalling 4 treatments. for the digestability experiment, four male sheep were distributed in a (4x4) latin square design. with respect to chemical composition, the variables; dry matter, crude protein, ether extract, acid detergent fiber, and lignin showed statistical difference (p<0,05) among the obtained values. however, neutral detergent fiber showed no difference among treatments. concerning buffering capacity and ph, the lowest values were for silages treated with inoculents. no treatment effects (inoculent or urea application) for dry matter, crude protein, or neutral detergent fiber digestibility of stargrass silages were detected.
Características da carca?a de cordeiros alimentados com dietas contendo gr?os de milho conservados em diferentes formas
Reis, Wagner dos;Jobim, Clóves Cabreira;Macedo, Francisco A. F.;Martins, Elias Nunes;Cecato, Ulysses;
Revista Brasileira de Zootecnia , 2001, DOI: 10.1590/S1516-35982001000500026
Abstract: the objective of this study was to evaluate the use of corn grains in different forms (corn dry grain, high moisture corn silage, moisturized corn silage) in the diet of confined lambs, and its possible effects on the qualitative and quantitative characteristics of the carcass. twenty male bergamacia x corriedade lambs were used. the animals were confined and fed ad libitum, assigned to five treatments consisted of dry corn: high moisture corn silage or moisturized corn silage (0:100, 50:50, 100:0). there was not effect of the treatments on the main carcass characteristics. the average true yield of carcass was 51.5%, while the yield of commercial carcass was 42.4%. differences were not observed between the variable body condition and conformation of the carcass, in function of the treatments. the variables fat covering, fat color and fat thickness were similar. the forms of the corn grains used in the feeding of the lambs did not affect the qualitative and quantitative characteristics of the carcass.
Dinamica da pastagem e desempenho de novilhos em pastagem de capim-tanzania sob diferentes ofertas de forragem
Barbosa, Marco Aurélio Alves de Freitas;Nascimento Júnior, Domicio do;Cecato, Ulysses;
Revista Brasileira de Zootecnia , 2006, DOI: 10.1590/S1516-35982006000600004
Abstract: this experiment was carried out from march to august 2000, to study the dry matter yield dynamic and performance of steers grazing tanzania grass (panicum maximum jacq. cv. tanzania), under continuous stocking with variable stocking rate, and four forage allowances (3, 7, 11, and 15% bw). crossbred nelore x charolais steers, averaging 18 months and 350 kg bw, were used. a randomized block design, with three replicates, was used. when tanzaniagrass was managed in the 7 to 11% interval of forage allowance, the fertilizer input was minimal (30 kg/ha/yr n), and high average daily gain (adg) was obtained, with no effect on the gain/ha (g/ha). under this condition, pasture showed 1,528 kg/ha green leaf lamina dry matter (glldm); 56 cm of stubble height; 97% soil cover; 62 kg/ha/day of glldm accumulation rate; and 34% green leaf lamina in the total dry matter, with adg of 0.5 kg/day and 126 kg of g/ha.
Produ??o de novilhas de corte em pastagem de Coastcross-1 consorciada com Arachis pintoi com e sem aduba??o nitrogenada
Paris, Wagner;Cecato, Ulysses;Branco, Antonio Ferriani;Barbero, Leandro Martins;Galbeiro, Sandra;
Revista Brasileira de Zootecnia , 2009, DOI: 10.1590/S1516-35982009000100016
Abstract: this trial was carried out to evaluate forage mass (fm), daily accumulation rate (dar), forage offer (fo), stocking rate (sr), arachis pintoi percentage (app), average daily gain (adg) and gain per hectare (gph) of beef heifers under grazing in coastcross-1 and arachis pintoi mixed pasture during different seasons, from july 2003 to june 2004. the treatments were: ca0 = coastcross + arachis pintoi without n; ca100 = coastcross + arachis pintoi with 100 kg of n; ca200 = coastcross + arachis pintoi with 200 kg of n; and c200 = coastcross with 200 kg of n, distributed in a randomly block design, with two repetitions. pasture management was done through continuous grazing with variable stocking rate, using crossbred heifers with three test animals per treatment. the fm was 2641, 2431, 2760 and 2704 kg of dm/ha for ca0, ca100, ca200 and c200, respectively. treatments presented similar dar (66.12 kg of dm/ha) between pastures, with higher production in the summer, followed by spring and autumn, which were not different from each other, and the winter with the lowest value: 108.6; 71.7; 54.2; 30.6 kg of dm/ha, respectively. in the ca0 treatment, the highest fo and the lowest sr were obtained (4.0 au/ha). the highest sr and lowest fo were observed in treatments with nitrogen fertilization, without difference among them. the app in the mixture was higher in the spring, and for the ca0 treatment, with visual estimations were always higher in function of the lower dry matter percentage of this legume. for adg was higher for ca200 and c200 treatments in relation to ca100 and ca0 with values of 0.51, 0.51, 0.42 and 0.38 kg/day, respectively. the gph were above 1000 kg/ha/year and the summer presented the highest gain (221.4 kg/ha).
Avalia o de cinco híbridos de milho (Zea mays, L.) em diferentes estádios de matura o: 4. Digestibilidade da matéria seca, matéria organica e fibra em detergente neutro da por o vegetativa e planta inteira
Zeoula Lúcia Maria,Beleze Juliano Ricardo Fontanini,Cecato Ulysses,Jobim Clóves Cabreira
Revista Brasileira de Zootecnia , 2003,
Abstract: O objetivo do presente estudo foi avaliar cinco híbridos de milho (Zea mays L.), quanto à digestibilidade in vitro da matéria seca, matéria organica da planta inteira e do colmo, em diferentes estádios de matura o. Os tratamentos utilizados foram em parcelas de 7 x 8 m em um delineamento de blocos ao acaso, com quatro repeti es. A colheita das amostras dos híbridos de milho Pioneer (P32R21, P30R07, P3041, P30F33 e P30F80) foi adotada estimando-se os cinco estádios de matura o da planta propostos (30, 34, 38, 42 e 46% de matéria seca). Na planta inteira, foram determinadas a digestibilidade in vitro da matéria organica (DIVMO) e a digestibilidade in vitro da matéria seca (DIVMS). Na fra o colmo + bainha, determinou-se a digestibilidade in vitro da FDN (DIVFDN) e DIVMS. A DIVMS e DIVFDN do colmo + bainha praticamente n o variaram após a forma o do gr o (25% de MS na planta), com exce es para os híbridos superprecoce P32R21 (aumentou) e o semiprecoce P30F80 (diminuiu), apresentando os melhores valores para faixa de 25 a 39% de MS. Já a DIVMS e DIVMO da planta inteira praticamente n o variaram após a forma o do gr o, com exce o do precoce P30F33, que aumentou em quinze unidades percentuais. Quando os teores de MS se elevaram de 30 para 35%, os melhores coeficientes de digestibilidade foram observados para faixa de 30 a 38% de MS.
Produ o Animal no Inverno em Capim-Tanzania Diferido no Outono e Manejado em Diferentes Alturas de Pasto
Canto Marcos Weber do,Cecato Ulysses,Almeida Júnior Josmar,Jobim Clóves Cabreira
Revista Brasileira de Zootecnia , 2002,
Abstract: O experimento foi conduzido com o objetivo de avaliar o ganho médio diário (GMD), número de animais.dia/ha e o ganho de peso vivo (GPV)/ha em uma pastagem de capim-Tanzania (Panicum maximum Jacq.), diferida em diferentes alturas no outono e após manejada em distintas situa es de alturas de pasto, no período do inverno. O delineamento experimental usado foi o inteiramente casualizado. Os tratamentos eram quatro alturas de pasto: T1=20, T2=40, T3=60 e T4=80 cm. No entanto, na análise estatística foram utilizadas as alturas médias de pasto, mantidas em cada unidade experimental, quais sejam: T20R1=26,3, T20R2=24,6, T40R1=47,9, T40R2=42,5, T60R1=55,8, T60R2=61,7, T80R1=69,2 e T80R2=71,4 cm. As diferentes alturas de pasto foram mantidas com o método das lota es contínuas e das cargas variáveis. O GMD reduziu com a eleva o da altura da superfície do pasto. N o houve rela o significativa entre as diferentes alturas de pasto com o GPV/ha e o número de animais.dia/ha. Os resultados mostram que pastagens de capim-Tanzania, na regi o noroeste do Paraná, diferidas após o período reprodutivo, devem ser utilizadas em alturas de pasto de 40 a 60 cm.
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