2011
DOI: 10.1590/s1516-35982011000400027
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Supplementation levels for growing beef cattle grazing in the dry-rainy transition season

Abstract: -The objective of this experiment was to study the effects of different levels of supplementation on the performance, intake, digestibility, pH and rumen ammonia concentration in growing bulls grazing Brachiaria decumbens Stapf. pasture, during the dry-rainy transition season. For evaluation of performance, intake and digestibility, it was used 25 non-castrated steers at 11 months of age and initial average body weight of 270 kg, grouped in five plots of five animals each, following a completely randomized des… Show more

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Cited by 12 publications
(12 citation statements)
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“…For indoor-fed Creole steers, we found greater ADG values than Itavo et al (2007) had reported for Beefalo-Nellore steers slaughtered at 9 mo in tropical areas of Brazil after receiving roughage and concentrate for ad libitum intake. For pasture-fed Creole steers, our ADG values are greater than the 270 g d~' reported by Asizua et al (2009) for Ankole purebred bulls or crossbred with Boran or Friesian and the 390 and 371 g-d~' reported for zebu cattle at pasture by Mekasha et al (2011) and Sales et al (2011), respectively. Compared with these results fi'om the literature, the ADG measured indoors or at pasture in our study appear relatively good for local breeds reared in tropical conditions.…”
Section: Feeding System Effectscontrasting
confidence: 68%
See 1 more Smart Citation
“…For indoor-fed Creole steers, we found greater ADG values than Itavo et al (2007) had reported for Beefalo-Nellore steers slaughtered at 9 mo in tropical areas of Brazil after receiving roughage and concentrate for ad libitum intake. For pasture-fed Creole steers, our ADG values are greater than the 270 g d~' reported by Asizua et al (2009) for Ankole purebred bulls or crossbred with Boran or Friesian and the 390 and 371 g-d~' reported for zebu cattle at pasture by Mekasha et al (2011) and Sales et al (2011), respectively. Compared with these results fi'om the literature, the ADG measured indoors or at pasture in our study appear relatively good for local breeds reared in tropical conditions.…”
Section: Feeding System Effectscontrasting
confidence: 68%
“…First, a suitable pasture system management strategy can improve the exploitation of offered biomass and increase feed intake at pasture (Boval and Dixon, 2012). Second, supplementing grazed forages with nutritious feed-like concentrate (Sales et al, 2011) or abundantly available local feeds (Archimede et al, 2010) may enhance DM and nutrient intakes and thereby improve performances at pasture. However, systems off-pasture with supplemental feeds have developed in these regions.…”
Section: Introductionmentioning
confidence: 99%
“…Neste estudo não foram verificados efeitos positivos da suplementação sobre o consumo voluntário de forragem (tabela II). Este comportamento corrobora os resultados obtidos por outros autores em condições tropicais ao fornecerem suplementos proteicos a bovinos manejados em pastagens durante períodos de crescimento das forrageiras (Costa et al, 2011a;Lazzarini, 2011;Sales et al, 2011).…”
Section: Discussionunclassified
“…Incrementos na produção animal com o uso de programas de suplementação durante o período de transição seca-águas têm sido evidenciados (Nascimento et al, 2009;Acedo et al, 2011;Sales et al, 2011). Contudo, estudos voltados à avaliação de características nutricionais e metabólicas em animais suplementados durante este período são ainda escassos em condições tropicais.…”
Section: Introductionunclassified
“…For this, the use of food supplementation (mineral and/or concentrate) has been used to correct the limitations of pasture quality and meet the nutritional requirements of animals the according to the phase (growth or finishing). The supply of nutrients via supplementation, aims to obtain different levels of performance for animals, providing from weight maintenance or moderate gains (155 to 325 g day -1 ) (SALES et al, 2011).…”
Section: Introductionmentioning
confidence: 99%