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Beef heifers grazing behavior and herbage intake in natural grassland under rotational grazing Ciência Rural
Barbieri,Cezar Wankura; Quadros,Fernando Luiz Ferreira de; Jochims,Felipe; Kuinchtner,Bruno Castro; Carvalho,Thiago Henrique Nicola de; Casanova,Pedro Trindade; Fernandes,Augusto Miranda; Pereira,João Bento.
It was evaluated the effect of two rest intervals between grazing occupations in rotational grazing; 375 and 750 DD (degree-days); based on the cumulative thermal sum necessary for leaf expansion of native grasses of two functional groups over the grazing behavior variables from beef heifers with 12 months old. The experiment was conducted as a completely randomized block design, with two treatments, three replications and measures repeated over time. Grazing behavior was assessed in three occasions (Nov 2011, Jan and Mar 2012), with 24h each. The herbage intake was estimated using an external marker (Cr2O3). The leaf mass was similar among the rest intervals, with a mean of 1261kg DM ha-1. The average grazing time was 627.4min day-1 and bite rate was 37.1...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bite rate; Degree-day; Grazing time; Sward structure; Thermal-sum.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015001102056
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Canopy characteristics, animal behavior and forage intake by goats grazing on Tanzania-grass pasture with different heights - doi: 10.4025/actascianimsci.v34i4.14544 Animal Sciences
Ribeiro, Aline Mendes; Universidade Federal do Piauí; Oliveira, Maria Elizabete de; Universidade Federal do Piauí; Silva, Patrícia Carvalho da; Universidade Federal do Piauí; Rufino, Marcelo de Oliveira Alves; Universidade Federal do Piauí; Rodrigues, Marcônio Martins; Universidade Federal do Piauí; Santos, Maurílio Souza dos; Universidade Federal do Piauí.
This study evaluated the influence of Tanzania-grass sward height (30, 50, 70 and 90 cm) on the morphological characteristics of the canopy, grazing behavior and forage intake by adult Anglo Nubian female goats. A completely randomized experimental design was employed, with two replicates in space and two replicates in time. Six animals were used to assess the grazing behavior, and four, the ingestion process. The rise in sward height increased the forage and leaf mass, the percentages of stem and dead material, and reduced the leaf stem-1 ratio. Above 50 cm there was an increase in grazing time and a decrease in leisure time. A positive linear correlation was detected between sward height and bite depth. The consumed forage mass, ingestion rate and daily...
Tipo: Pesquisa de campo Palavras-chave: 5.04.04.00-8 consumption; Forage production; Bite rate; Ingestion rate; Grazing time.
Ano: 2012 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/14544
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Comportamento ingestivo de cordeiros em três sistemas de produção em pastagem de Tifton 85 - DOI: 10.4025/actascianimsci.v31i3.6014 Animal Sciences
Poli, César Henrique Espírito Candal; UFRGS; Lúcia Monteiro, Alda Gomes; UFPR; Barros, Carina Simionato de; UFPR; Dittrich, João Ricardo; UFPR; Fernandes, Sergio Rodrigo; UFPR; Carvalho, Paulo César de Faccio; UFRGS.
O objetivo deste estudo foi avaliar o comportamento ingestivo de cordeiros em pastagem de Tifton-85 (Cynodon spp.) em três sistemas de produção: cordeiros desmamados aos 60 dias de idade e mantidos em pastagem; cordeiros mantidos com suas mães em pastagem; e cordeiros mantidos com suas mães em pastagem e suplementados em creep feeding. O delineamento foi em blocos ao acaso com três repetições, utilizando quatro cordeiros-teste por repetição. Na pastagem, avaliou-se a altura, a massa, a composição morfológica e bromatológica da forragem. Na avaliação do comportamento ingestivo registrou-se, do nascer ao pôr do sol, o tempo despendido nas atividades de pastejo, ruminação, ócio, amamentação e alimentação no creep feeding. Avaliou-se, também, a taxa de bocados...
Palavras-chave: Creep feeding; Desmame; Pastejo; Ruminação; Taxa de bocado; Cynodon spp 5.04.05.01-2 creep feeding; Weaning; Grazing; Rumination; Bite rate; Cynodon spp.
Ano: 2009 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/6014
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Diurnal behavior of dairy cows on alfalfa pastures supplemented with corn silage and concentrate. Repositório Alice
PERES NETTO, D.; RIBEIRO, A. R. B.; RODRIGUES, A. A.; FERREIRA, R. de P.; MENDONÇA, F. C.; FREITAS, A. R.; CAMPANA, M.; WECHSLER, F. S..
2014
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Unrestricted grazing; Restricted grazing; Bite rate.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1003565
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Diurnal behavior of dairy cows on alfalfa pastures supplemented with corn silage and concentrate Arq. Bras. Med. Vet. Zootec.
Peres Netto,D.; Ribeiro,A.R.B.; Rodrigues,A.A.; Ferreira,R.P.; Mendonça,F.C.; Freitas,A.R.; Campana,M.; Wechsler,F.S..
The diurnal ingestive behavior of dairy cows on alfalfa pastures supplemented with corn silage and concentrate was evaluated. Sixteen Holstein dairy cows in mid-lactation were used in a randomized block design. The treatments were partial replacement of corn silage for limited alfalfa grazing time (LGT) or unlimited grazing time (UGT). Rotational alfalfa grazing was used and the amount of concentrate fed was the same in both treatments. Behavioral activities observed were time spent grazing, rumination and idleness, during four days, from 8:00 AM to 7:00 PM. From 2:00 to 5:00 PM grazing was intermittent and short-lasting on UGT, whereas on LGT grazing activity was longer than UGT in the morning and at the end of the afternoon. Restriction in available...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Unrestricted grazing; Restricted grazing; Bite rate.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000300837
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Grazing ecology of female lambs on Italian ryegrass plus red clover pasture under different defoliation intensities R. Bras. Zootec.
Glienke,Carine Lisete; Rocha,Marta Gomes da; Camargo,Daniele Gindri; Pötter,Luciana; Confortin,Anna Carolina Cerato; Costa,Vagner Guasso da.
The relationship between pasture dynamics and ingestive behavior of female lambs was studied on Italian ryegrass (Lolium multiflorum Lam.) plus red clover (Trifolium pratense L.) mixture under a range of defoliation intensities. Rotational grazing was used and the grazing interval was determined by the thermal sum of 313 degree days. The initial pre-grazing canopy height disappearance values were 65 (very high), 58 (high), 47 (medium) and 37% (low). The sward vertical structure was similar among defoliation intensities. The forage allowance decreased linearly as defoliation intensities increased, with 0.35 bite/minute reduction for each 1% increase in forage allowance. The bite rate and number of bites/feeding station decreased with reduced contribution of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bite rate; Feeding stations; Ingestive behavior; Lolium multiflorum; Pasture structure; Trifolium pratense.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000100007
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Ingestive behavior of hoggets given different types of supplement on ryegrass pasture Animal Sciences
Stivanin, Sheila Cristina Bosco; Universidade Federal de Santa Maria; Rocha, Marta Gomes da; Universidade Federal de Santa Maria; Pötter, Luciana; Universidade Federal de Santa Maria; Hampel, Viviane da Silva; Universidade Federal de Santa Maria; Oliveira, Renata Aqel de; Universidade Federal de Santa Maria; Bergoli, Tuani Lopes; Universidade Federal de Santa Maria.
The ingestive behavior of hoggets was assessed under intermittent grazing method with three days of paddock occupation. These animals remained exclusively on Italian ryegrass (Lolium multiflorum Lam) pasture or on ryegrass pasture and receiving 1.2% of DM in relation to body weight of rice paddy, corn grain or whole rice bran as a supplement during the vegetative, pre-flowering and flowering phenological stages of ryegrass. The experimental design was a randomized split-split plots wherein the types of supplement were considered as main plot, phenological stages as subplot and the days of occupation as sub-subplots. The hoggets grazed for a longer time when kept exclusively on ryegrass pasture. The hoggets grazed for less time in the vegetative stage of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rice bran; Rice grain; Corn grain; Bite rate; Grazing time.
Ano: 2014 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/21641
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Performance and grazing behavior of growing goats supplemented with palm tree fruit. Repositório Alice
GARCEZ, B. S.; ALVES, A. A.; ARAÚJO, D. L. da C.; OLIVEIRA, M. E. de; POMPEU, R. C. F. F.; ROGERIO, M. C. P.; MOREIRA, A. L.; LIMA, I. S. de S..
Abstract: This study aimed to evaluate the performance and ingestive behavior of growing goats grazing on Tanzania guinea grass and fed diets containing 40% carnauba or tucum fruits. Twenty-one male castrated goats were distributed into three groups, one exclusively on pasture and the other two on pasture and fed diet supplemented at the level of 1.5% body weight (BW) in a completely randomized design. The intake of the supplements was obtained by difference between the amount supplied and the leftovers, with weighing performed every seven days, while pasture intake was determined using titanium dioxide (TiO2) as external indicator. Ingestive behavior was evaluated for three days. The supplement containing carnauba fruit resulted in a greater intake of...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Bactris setosa; Tucumã; Comportamento ingestivo; Bite rate; Copernicia prunifera; Ingestive behavior; Pasture supplementation; Feed crops; Tanzania guinea; Feed grasses; Fruit pulps; Caprino; Nutrição Animal; Alimento Para Animal; Alimentação Suplementar; Gramínea Forrageira; Carnaúba; Subproduto; Goats; Ruminant nutrition; Small ruminants; Animal nutrition; Animal feeders; Weight gain; Brazil; Plant byproducts.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1109616
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Performance and grazing behavior of growing goats supplemented with palm tree fruit. Repositório Alice
GARCEZ, B. S.; ALVES, A. A.; ARAÚJO, D. L. da C.; OLIVEIRA, M. E. de; POMPEU, R. C. F. F.; ROGERIO, M. C. P.; MOREIRA, A. L.; LIMA, I. S. de S..
This study aimed to evaluate the performance and ingestive behavior of growing goats grazing on Tanzania guinea grass and fed diets containing 40% carnauba or tucum fruits. Twenty-one male castrated goats were distributed into three groups, one exclusively on pasture and the other two on pasture and fed diet supplemented at the level of 1.5% body weight (BW) in a completely randomized design. The intake of the supplements was obtained by difference between the amount supplied and the leftovers, with weighing performed every seven days, while pasture intake was determined using titanium dioxide (TiO2) as external indicator. Ingestive behavior was evaluated for three days. The supplement containing carnauba fruit resulted in a greater intake of neutral...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Bactris setosa; Bite rate; Copernicia prunifera; Pasture supplementation; Weight gain.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1116414
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Performance and grazing behavior of growing goats supplemented with palm tree fruit R. Bras. Zootec.
Garcez,Bruno Spindola; Alves,Arnaud Azevêdo; Araújo,Daniel Louçana da Costa; Oliveira,Maria Elizabete de; Pompeu,Roberto Cláudio Fernandes Franco; Rogério,Marcos Cláudio Pinheiro; Moreira,Antônia Leidiana; Lima,Isak Samir de Sousa.
ABSTRACT This study aimed to evaluate the performance and ingestive behavior of growing goats grazing on Tanzania guinea grass and fed diets containing 40% carnauba or tucum fruits. Twenty-one male castrated goats were distributed into three groups, one exclusively on pasture and the other two on pasture and fed diet supplemented at the level of 1.5% body weight (BW) in a completely randomized design. The intake of the supplements was obtained by difference between the amount supplied and the leftovers, with weighing performed every seven days, while pasture intake was determined using titanium dioxide (TiO2) as external indicator. Ingestive behavior was evaluated for three days. The supplement containing carnauba fruit resulted in a greater intake of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bactris setosa; Bite rate; Copernicia prunifera; Pasture supplementation; Weight gain.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100703
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Sward structural characteristics and ingestive behaviour of beef heifers in a Pearl Millet pasture R. Bras. Zootec.
Montagner,Denise Baptaglin; Rocha,Marta Gomes da; Genro,Teresa Cristina Moraes; Quadros,Fernando Luiz Ferreira de; Roman,Juliano; Roso,Dalton.
Ingestive behaviour of beef heifers and sward structural characteristics of Pearl Millet (Pennisetum americanum (L.) Leeke) were evaluated. The experiment was carried out in a randomized complete design following a repeated measure arrangement (three experimental periods) with three replications of two leaf blade masses (600 and 1,000 kg/ha DM), which were maintained using continuous grazing with variable stocking rate. The variables measured were sward height, herbage mass, leaf blade and stem bulk density in sward vertical strata (sward structural characteristics), grazing, idling, rumination time and bite rate of heifers (ingestive behaviour). Bite rate was modified by pasture management and was lower when the leaf blade mass was 1,000 kg/ha DM. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bite rate; Grazing time; Leaf blade bulk density; Pennisetum americanum; Rumination time.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982009000900005
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Sward structure and ingestive behavior of cows in tropical pastures managed under different forage allowances Arq. Bras. Med. Vet. Zootec.
Janusckiewicz,E.R.; Casagrande,D.R.; Raposo,E.; Bremm,C.; Reis,R.A.; Ruggieri,A.C..
ABSTRACT This study evaluated how changing the structure of Brachiaria brizantha cv. Marandu pasture under different forage allowances (FA) of 4, 7, 10 and 13kg DM/100kg BW (body weight) affected animal behavior over a two-year evaluation period. The experiment was conducted as a randomized block design with three replications (paddock). Sward height, total forage, and stem mass were lower for pastures managed with lower FA. Lower leaf mass was observed for lower FA in the second year. In hand-plucked samples, leaf and stem percentages remained unchanged in the morning but leaf percentage increased while stems decreased in the afternoon. Permanence time decreased linearly with increasing FA. In turn, a quadratic effect was observed for displacement rate....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bite rate; Displacement; Forage mass; Sward height.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352019000602009
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