Saccharomyces cerevisiae and nitrogenous supplementation in growing steers grazing tropical pastures

Cabrera, Evelyn; Mendoza, Muñoz; Aranda, I.E.; Garcia-Bojalil, C.M.; Bárcena, G.R.; Ramos, Jesús

doi:10.1016/s0377-8401(99)00109-1

Cited by 30 publications

(21 citation statements)

References 21 publications

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“…Our results are in accordance with those of other workers who found that supplementing yeast culture had no effect on the growth rate of intensively fed bulls (Mutsvangwa et al, 1992;El Hassan et al, 1996;Beauchemin et al, 2003), grazing steers (Cabrera et al, 2000) or lambs (Kawas et al, 2007). Others reported that yeast culture tended to reduce the average daily gain of steers (Mir & Mir, 1994) while Wehner et al (1998) found that yeast-fed calves tended to gain more than the control calves.…”

Section: Resultssupporting

confidence: 92%

“…Dry matter intake of the yeast-supplemented calves might have been confounded by the high temperature. These results are in contrast with those of other workers, who found that the addition of yeast culture to the diet of feeder calves and lambs resulted in a non-significant increase in feed consumption (Andrighetto et al, 1993), or found no differences in feed intake with yeast-treated lambs (Kawas et al, 2007), steers (Cabrera et al, 2000) or feedlot cattle (Beauchemin et al, 2003). However, other studies reported that yeast culture supplementation resulted in increased dry matter intakes of feeder calves (Cole et al, 1992), steers and bulls (Mutsvangwa et al, 1992;Andrighetto et al, 1993;Mir & Mir, 1994;Olson et al, 1994;El Hassan et al, 1996).…”

Section: Resultscontrasting

confidence: 86%

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Growth and carcass characteristics of male dairy calves on a yeast culture-supplemented diet

Titi¹,

Abdullah²,

Lubbadeh³

et al. 2008

SA J. An. Sci.

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This experiment was carried out to study the effect of the inclusion of a yeast culture in the diet of feeder dairy calves on their growth and carcass characteristics. Thirty male Friesian calves were randomly allocated to two groups of 15 each (treatment and control). The calves were fed a total mixed ration for a period of 294 days and then slaughtered to obtain carcass measurements. The yeast culture was added to the diet of the treatment group at a level of 20 kg yeast culture/ton of feed. The addition of the yeast culture did not affect final weight, average gain or average daily gain, but reduced total and daily dry matter intakes. Feed conversion ratio was not affected by treatment. Yeast culture supplementation had no effect on fasting weight or cold carcass weight, dressing percentage nor on non-carcass components. Differences in back-fat thickness and in the weight and percentage of carcass cuts were not significant between treatments. Similarly, carcass characteristics and quality measures did not show any significant differences between treatments. In this experiment the inclusion of a yeast culture in the finishing off diet of dairy calves had no effect on their growth rate, feed conversion ratio, carcass characteristics or meat quality. ________________________________________________________________________________

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Section: Resultssupporting

confidence: 92%

Section: Resultscontrasting

confidence: 86%

Growth and carcass characteristics of male dairy calves on a yeast culture-supplemented diet

Titi¹,

Abdullah²,

Lubbadeh³

et al. 2008

SA J. An. Sci.

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show abstract

“…Our results highlighted that crossbred animals supplemented with yeast showed a greater ADG than the control group. These experiments were performed in regions with a tropical climate (Cabrera et al, 2000;Gattas et al, 2008;Prohmann et al, 2013). Thus, the results can be explained by the direct effects of yeast and the characteristics of the animals' diet.…”

Section: Discussmentioning

confidence: 99%

The Effect of Live Yeast Supplementation on Beef Cattle Performance: A Systematic Review and Meta-Analysis

Sartori¹,

Canozzi²,

Zago³

et al. 2017

JAS

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This meta-analysis evaluates the effects of yeast supplementation (Saccharomyces cerevisiae) on dry matter intake (DMI) and average daily gain (ADG) in beef cattle. The inclusion criteria were complete and randomized trials and supplementation with yeast S. cerevisiae versus no supplementation to measure DMI or ADG. Data were extracted from relevant papers via pre-defined protocols. A meta-analysis of random effects was conducted for each indicator separately including the mean of the control and treated groups. The results were presented with the pooled mean difference (MD), 95% of confidence interval, and I² (percentage of total variation between studies that is due to heterogeneity rather than chance). A total of 12 publications reporting 22 trials conducted in 1,161 cattle were analysed. The heterogeneity between studies was high and ranged from 92 to 99%. No effects were observed in ADG with the inclusion of yeast in the diet (MD = -2.849 g/day, p = 0.492). However, there was a reduction in the DMI (MD = -0.885 kg/day; p = 0.023) despite the high heterogeneity among studies (I 2 = 92.4%; p < 0.001). The ADG increased when the forage level in the diet was between 30 and 50% (MD = 641.08 g/day; p = 0.001) and decreased when the level range from 51 to 75% (MD = -2.90 g/day; p < 0.001). In over 60% of the Neutral Detergent Fibre, the use of yeast in the diet decreased the ADG by 406.94 g/day (p = 0.034). Feedlot animals showed a reduction in the DMI (MD = -0.97 kg/day; p = 0.019) if supplemented with yeast. Supplementation with S. cerevisiae in the diet of beef cattle had no effect on ADG; however, it does improve the feed conversion due to the reduction in DMI.

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“…A literatura também enfatiza melhoria nas atividades bacterianas do rúmen com aumentos na digestibilidade das dietas quando leveduras são adicionadas. Produtos com Saccharomyces cerevisiae são usados para melhorar a digestibilidade da fibra e os efeitos destes compostos microbianos estão associados ao aumento das bactérias celulolíticas (CABRERA et al, 2000). São poucos e conflitantes os trabalhos que mostram o uso de leveduras para animais mantidos em dietas exclusivamente volumosas.…”

Section: Influência Da Adição De Levedura Em Dietas De Volumososunclassified

“…Não houve diferenças na IMS entre tratamentos (Tabela 6). A ingestão média de MS pelos animais ficou abaixo dos valores encontrados na literatura para animais recebendo dietas volumosas, contendo até 50% de leucena (PEREIRA, 1994, LOURENÇO;CARRIEL, 1998), a adição de leveduras (CABRERA et al, 2000), também não modificou o consumo que foi próximo a 1% do PV. Vitti et al (2005), ao adicionarem leucena à dieta, observaram aumento na ingestão de matéria seca.…”

Section: Protozoários Ciliadosunclassified

Efeitos de dietas com Leucaena leucocephala com ou sem adição de Sacharomyces cerevisiae na digestão, fermentação, protozoários e produção de metano no rúmen em bovinos

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Saccharomyces cerevisiae and nitrogenous supplementation in growing steers grazing tropical pastures

Cited by 30 publications

References 21 publications

Growth and carcass characteristics of male dairy calves on a yeast culture-supplemented diet

Growth and carcass characteristics of male dairy calves on a yeast culture-supplemented diet

The Effect of Live Yeast Supplementation on Beef Cattle Performance: A Systematic Review and Meta-Analysis

Efeitos de dietas com Leucaena leucocephala com ou sem adição de Sacharomyces cerevisiae na digestão, fermentação, protozoários e produção de metano no rúmen em bovinos

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