Intake, digestibility, and growth performance of Girolando bulls supplemented on pasture in Bahia, Brazil

Rocha, Wéder Jânsen Barbosa; Silva, Robério Rodrigues; Silva, Fabiano F. da; Carvalho, Gleidson Giordano Pinto de; Silva, Ana Paula G. da; Silva, João Wilian D.; Paixão, Tarcísio Ribeiro; Freitas, Tiago Brandão; Mendes, F. B. L.; Barroso, Daniele Soares; Souza, S. O. de; Santos, Laize Vieira

doi:10.1007/s11250-019-01824-2

Cited by 4 publications

(5 citation statements)

References 14 publications

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“…Animals had free access to the concentrate and ad libitum access to forage. This value from production of forage is similar to that found by Rocha et al (2019), in the same location and under the same experimental conditions. The lack of an effect on the total dry matter intake is Research, Society and Development, v. 9, n. 9, e15996384, 2020 (CC BY 4.0) | ISSN 2525-3409 | DOI: http://dx.doi.org/10.33448/rsd-v9i9.6384 due to the similarity in the diet compositions (Table 2).…”

Section: Resultssupporting

confidence: 89%

“…The production of forage by area was higher than that observed by Neves et al (2018), Rocha et al (2019) and Souza et al (2019), but consistent with the recommendations proposed by Silva et al (2009), who proposed a grazing management procedure for quality and quantity.…”

Section: Discussionsupporting

confidence: 88%

“…The three experimental diets were: MSA mineral salt ad libitum; MSU -mineral salt + urea ad libitum; PSU -protein supplementation (0.1% of body weight) ( Table 1). These strategies were chosen based on past studies (Neves et al, 2018;Rocha et al, 2019).…”

Section: Local and Animalsmentioning

confidence: 99%

“…However, the rearing of cattle exclusively in a pasture system is very common in Brazilian regions, where there are variations in the productive performance throughout of the year (Ferraz & Felício, 2010), increasing the slaughter age, and, consequently, resulting in a smaller financial return of the system (Pesqueira- Silva et al, 2015;Silva et al, 2010). Therefore, new technologies to improve the system of beef cattle production are being used in Brazil, such as feed supplementation in the dry and rainy seasons of the year (Neves et al, 2018;Rocha et al, 2019;Souza et al, 2019). However, the level of supplementation is dependent on the rearing and finishing system of the animals, as well as the geographical location, pasture type, and management (El-Memari Neto et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

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Effects of supplementation strategies for beef cattle in tropical grassland conditions

Carvalho

Silva

Lins

et al. 2020

RSD

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This study was realized to evaluate the dry matter intake, nutrient digestibilities, and animal performance of crossbred steers grazing Brachiaria brizantha cv. Marandu, during the rainy season. Thirty-three crossbred steers with an average weight of 203.5 ± 39.5 kg were distributed in a completely randomized design with three treatments and eleven replications. The results were analyzed using an ANOVA and a Tukey test with a 5% probability of error. The three experimental diets were: MSA – mineral salt ad libitum; MSU - mineral salt + urea ad libitum and PSU - protein supplementation (0.1% of body weight). The dry matter intake of forage and total dry matter intake were similar (P > 0.05) among treatments. The dry matter, organic matter, neutral detergent fiber, crude protein, ether extract, non-fibrous carbohydrates and total carbohydrates digestibilitities coefficients were influenced (P < 0.05) by treatments. The final body weight, average daily gain, and feed efficiency were similar (P > 0.05) among treatments. The supplementation strategies used during the rainy season resulted in a similar performance; therefore, the strategy adopted could be chosen according to the economical and regional conditions of the production.

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Section: Resultssupporting

confidence: 89%

Section: Discussionsupporting

confidence: 88%

Section: Local and Animalsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of supplementation strategies for beef cattle in tropical grassland conditions

Carvalho

Silva

Lins

et al. 2020

RSD

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“…A pecuária no Brasil é desenvolvida basicamente em pastagens tropicais (Rocha et al, 2019) onde o manejo e utilização da forragem representam grande parte da eficiência do sistema (Morais et al, 2018). O manejo de pastagens pode ser avaliado pela intensidade do pastejo e esta é influenciada pela espécie forrageira, pois cultivares distintas apresentam diferenças na morfologia, composição e produtividade.…”

Section: Introductionunclassified

Comportamento de vacas mestiças em pastejo de capim ‘Mombaça’ e características de forragem no semiárido

Mello¹,

Carvalho²,

Cunha³

et al. 2021

Pubvet

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Objetivou-se avaliar quatro intensidades de pastejo (10, 25, 40 e 55 cm de altura de resíduo) sobre as características produtivas e comportamento ingestivo de vacas mestiças sob pastejo em Panicum maximum Jacq. ‘Mombaça’, no semiárido baiano. O delineamento utilizado no experimento foi o Inteiramente Casualizado (DIC), sendo quatro tratamentos (intensidade de pastejo) e cinco repetições (piquetes). Utilizaram-se cinco vacas mestiças (Holandês x Gir), com peso médio de 500 kg, como animais avaliadores. As avaliações do pasto foram realizadas por meio de pastejo simulado a cada 28 dias. O comportamento ingestivo foi avaliado por meio de observação visual e a temperatura da superfície de pelame foi aferida com termômetro digital após a ordenha e durante o pastejo dos animais. Verificou-se aumento linear (P<0,05) para a massa seca total (MST), massa seca de lâminas (MSL), taxa de acúmulo de forragem (TXAF), oferta de massa seca total (OMST) e oferta de massa seca de lâminas (OMSL). A porcentagem mínima de lâminas foliares (P<0,05) de 82,2% foi observada na altura de resíduo de 34,9 cm. Observou-se que o Índice de Temperatura e Umidade (ITU) ficou em atenção e alerta durante os meses de avaliação. Verificou-se aumento linear (P<0,05) da temperatura da superfície de pelame de 32,2 para 36,4 ºC, ao longo dos meses de avaliação. Para cada incremento de 5,0 cm na altura de resíduo, espera-se um aumento (P<0,05) de 0,146 nº/minuto e 52,6 nº/dia na taxa de bocados, respectivamente. Para a estação alimentar, espera-se uma redução (P<0,05) de 0,162 nº/minuto e 58,2 nº/dia, respectivamente. O consumo de matéria seca (CMS) e ganho médio diário (GMD) aumentaram linearmente (P<0,05) entre as intensidades de pastejo. Nas intensidades de pastejo de 40 e 55 cm houve uma variação de 3,25 para 3,50 no escore de condição corporal (ECC). Recomenda-se a intensidade de pastejo de 45,2 cm (altura de resíduo), por permitir adequada produção de forragem e de bocados, e menor deslocamento entre estações alimentares.

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Detoxified castor seed meal replaces soybean meal in the supplement for Holstein-Zebu crossbred steers finished on tropical pasture during the rainy season

Machado,

da Silva,

Carvalho

et al. 2023

Trop Anim Health Prod

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Intake, digestibility, and growth performance of Girolando bulls supplemented on pasture in Bahia, Brazil

Cited by 4 publications

References 14 publications

Effects of supplementation strategies for beef cattle in tropical grassland conditions

Effects of supplementation strategies for beef cattle in tropical grassland conditions

Comportamento de vacas mestiças em pastejo de capim ‘Mombaça’ e características de forragem no semiárido

Detoxified castor seed meal replaces soybean meal in the supplement for Holstein-Zebu crossbred steers finished on tropical pasture during the rainy season

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