Tropical forage evaluation: Review

Silva, Gonçalo Mesquita da; Silva, Fabyano Fonseca e; Viana, Pablo Teixeira; Rodrigues, Eli Santana de Oliveira; Moreira, Charles Neris; Meneses, Murilo de Almeida; Júnior, José de Souza Abreu; Rufino, Cassyo de Araújo; Barreto, Luan da Silva

doi:10.22256/pubvet.v10n3.190-196

Cited by 5 publications

(9 citation statements)

References 0 publications

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“…Trop., Goiânia, v. 48, n. 3, p. 245-253, Jul./Sep. 2018 ruminants, when the pasture is inadequate (Silva et al 2016). Alternatively, the hay production preserves the forage by a partial dehydration of fodder plants.…”

Section: Períodos De Colheita De Capim-elefante Para Produção De Fenomentioning

confidence: 99%

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Cutting ages of elephant grass for chopped hay production1

Ferreira

Abreu

Martinez

et al. 2018

Pesqui. Agropecu. Trop.

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With the advancement of the cutting age, there is an increase in the forage yield of elephant grass (Pennisetum purpureum), but there is also a reduction of the protein levels and digestibility of this forage. This study aimed to identify the ideal cutting age of elephant grass forage (BRS Canará cultivar) to chopped hay production. The experimental design was a randomized block, with five treatments (42, 60, 76, 91 and 105 days of growing) and four replicates. Forage agronomical, morphological and chemical characteristics were evaluated. A linear positive effect of the cutting age was observed on plant height, senescent material and yield of the chopped hay. The leaf percentage and leaf:stem ratio were reduced by the advance in the cutting age. There was also a linear positive effect of the cutting ages on indigestible neutral detergent fiber, neutral detergent fiber corrected for ash and protein and neutral detergent insoluble protein, with increases of 17.13 %, 16.63 % and 20.66 %, respectively. The contents of ashes, crude protein, total digestible nutrients and net lactation energy were reduced with the advance in the forage age. From 76 days, the ashes contents reached values below 9.29 % and the crude protein below 7.16 %. In the same cutting age, the chopped hay yield was 12.91 t ha-1. To improve the hay quality and production, the BRS Canará cultivar must be harvest between 60 and 76 days, when the plants are with 1.20-1.50 m of height, leaf:stem ratio of 0.55-0.44, crude protein of 8.29-7.16 % and indigestible neutral detergent fiber of 26.21-29.06 %.

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Section: Períodos De Colheita De Capim-elefante Para Produção De Fenomentioning

confidence: 99%

“…Alternatively, the hay production preserves the forage by a partial dehydration of fodder plants. This process inhibits the spoilage activity of microorganisms and plant enzymes, thus preserving the forage for long periods (Silva et al 2016).…”

Section: Períodos De Colheita De Capim-elefante Para Produção De Fenomentioning

confidence: 99%

Cutting ages of elephant grass for chopped hay production1

Ferreira

Abreu

Martinez

et al. 2018

Pesqui. Agropecu. Trop.

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“…DCSC addition showed a St content of 15.20 % of the DM, which was considerably higher than that of control (5.21%) ( Table 4). Silage with DCSC presented a higher St content compared to the control; it was already expected since corn is characterized by its St contents above 15% (SILVA, 2001). Such elevated content of St in this treatment comes from DCSC composition, in which 70% carbohydrates are in St form, either composed of glucose polymers or of straight or branched chains (SILVA, 2013).…”

Section: Resultsmentioning

confidence: 71%

“…The potential to produce large quantities of food at low costs and in a sustainable manner, together with its diversity of uses, makes this species particularly interesting as an option for family farming in all regions of the country (MONTEIRO, 2007). According to Silva (2001), when compared to corn and sorghum, sweet potato is more efficient regarding net energy per area and time units. This is due to its ability to grow a large root volume within a short cycle, at low cost throughout the year.…”

Section: Introductionmentioning

confidence: 99%

Effect of Different Additives on the Silage Quality of Sweet Potato Branches

et al. 2019

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Sweet potato branches have potential use in animal feeding, even fresh or ensiled, and some additives may enhance their quality. This study aimed at assessing silage quality of sweet potato branches using different additives. We ensiled sweet potato branches without additive (control) and with the addition of 10% disintegrated corn with straw and corncob (DCSC), 10% sugarcane bagasse from alembic, 10% citrus pulp, and 10% coffee husk. Three samples of each plot were obtained after drying for measurements of dry matter, crude protein, neutral detergent fiber (NDF), acid detergent fiber (ADF), cellulose, hemicellulose, lignin, mineral matter, starch, soluble sugars, pH, lactic acid bacteria population, gas, and effluent losses. Silage with DCSC, citrus pulp, and coffee rusk reached the highest dry matter contents. Moreover, citrus pulp silage had a high content of NDF. In contrast, DCSC silage showed the lowest content of ADF. Lignin was low in silage with DCSC, citrus pulp, and control (without additive). Suitable amounts of starch, crude protein, and lactic acid bacteria population were found in all treatments. Silage with DCSC achieved the best results for the assessed variables. Therefore, DCSC is the most suitable additive to improve silage quality of sweet potato branches. QUALIDADE DE SILAGEM DE RAMAS DE BATATA-DOCE COM DIFERENTES ADITIVOSRESUMO -As ramas de batata-doce apresentam potencial de utilização na alimentação animal, na forma fresca e de silagem, sendo que a utilização de aditivos pode contribuir para a melhoria da qualidade da silagem das ramas. Objetivou-se com este estudo avaliar a qualidade da silagem de ramas de batata-doce com diferentes aditivos. Os tratamentos utilizados para a confecção das silagens foram: ramas puras; ramas + 10% de MDPS (milho desintegrado com palha e sabugo); ramas + 10% de bagaço de cana de alambique; ramas + 10% de polpa cítrica; ramas + 10% de casca de café. Foram determinadas amatéria seca, proteína bruta, fibra de detergente neutro (FDN), fibra de detergente ácido (FDA), celulose, hemicelulose, lignina, cinzas, amido, açucares solúvel, pH, população de Bactérias do ácido láctico, perdas por gases e efluentes. As silagens de ramas + MDPS, ramas + polpa cítrica e ramas + casca de café apresentaram os maiores teores de matéria seca. Na silagem de ramas + polpa cítrica foi registrada alto teor de FDN. Já na silagem de ramas + MDPS obteve-se o menor teor de FDA. O teor de lignina foi baixo nas silagens das ramas + MDPS, ramas puras e ramas + polpa cítrica. Os teores de amido, PB e populações de BAL foram adequados para todas as silagens. A silagem contendo ramas + MDPS apresentou os melhores resultados para as características avaliadas, de forma que o aditivo utilizado nesta silagem é o mais recomendado para as condições experimentadas.Palavras-chave: Alimentação animal. Forragem alternativa. Ipomoea batatas. Matéria seca.

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“…Marandu (marandu palisadegrass) is one of the most used forage grasses for pasture in Brazil. The marandu palisadegrass presents a great flexibility in grazing management and, during the autumn and winter of the Southeast and Centre-West regions of Brazil, it can be used under deferred grazing (EUCLIDES et al, 2007;SILVA et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Number and morphology of tiller age groups during summer in Marandu palisadegrass pastures previously used under deferred grazing

Santos

Carvalho

et al. 2020

Biosci. J.

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The relative contribution of young, mature and old tillers in the canopy influences the production and structure of the pasture. The objective with this work was to evaluate the balance between tiller appearance and tiller death (BAL) during spring and early summer, the morphology and percentages of young, mature and old tillers in Brachiaria brizantha cv. Marandu (marandu palisadegrass) with three conditions in late winter: short (24.1 cm), tall (49.0 cm) and tall (50.0 cm)/mown (8 cm). Tall and tall/mown pastures presented higher BAL in September and October, respectively. In January, BAL was higher in short and tall/mown pastures than in tall pasture. The tiller number was higher in short pasture, intermediate in tall/mown pasture and lower in tall pasture. The percentage of old tillers was higher in short and tall pastures compared to tall/mown pasture. The percentage of live leaf lamina reduced, while the percentage of dead leaf lamina increased with tiller age. Mowing of the tall marandu palisadegrass pasture in late winter increases the renewal of tillers in the spring and decreases the percentage of old tillers in the summer. The old tillers present worse morphology than young tillers.

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Tropical forage evaluation: Review

Cited by 5 publications

References 0 publications

Cutting ages of elephant grass for chopped hay production1

Cutting ages of elephant grass for chopped hay production1

Effect of Different Additives on the Silage Quality of Sweet Potato Branches

Number and morphology of tiller age groups during summer in Marandu palisadegrass pastures previously used under deferred grazing

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