Utilização de promotores de crescimento para frangos de corte em rações fareladas e peletizadas

Lorençon, Letícia; Nunes, Ricardo Vianna; Pozza, Paulo César; Pozza, Magali Soares dos Santos; Appelt, Mathias Djalma; Silva, Wagner Thiago Mozer da

doi:10.4025/actascianimsci.v29i2.219

Cited by 21 publications

(31 citation statements)

References 4 publications

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“…These results are consistent with those of Lorençon et al (2007), who observed that the use of probiotics in broiler diets resulted in similar production efficiency index as that obtained with the diets containing antibiotics. On the other hand, Da Silva (2008) did not observe any influence of the addition of the probiotic Bacillus subtilis in the feed on production efficiency.…”

Section: Dietsupporting

confidence: 82%

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Evaluation of the use of probiotics in diets with or without growth promoters for broiler chicks

Meurer¹,

Leal²,

Rocha³

et al. 2010

R. Bras. Zootec.

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-This work was carried out to evaluate the use of Bacillus subtilis probiotic C-3102 (10 10 cfu/g) in diets with or without growth promoters on the performance of broilers in the period from 1 to 42 days of age. It was used 1,200 Cobb line broilers, distributed in a complete randomized block with five diets: negative controller (without promoters);Bacillus subtilis (30 g/t ration); Bacillus subtilis (50 g/t ration); Bacillus subtilis (30 g/t ration) + colistin (10 ppm); avilamycin (10 ppm) + colistin (10 ppm). Each diet was evaluated in 10 repetitions with 24 birds. From 21 to 42 days of age, feed intake, weight gain and feed conversion were evaluated, and at 42 days of age, productive efficiency index was evaluated. At the end of the experimental period, it was observed an increase in the consumption of diet with the lowest dose of Bacillus subtilis

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Section: Dietsupporting

confidence: 82%

“…Conversely, Corrêa et al (2003) and Lorençon et al (2007) showed that the performance of broilers in the starter phase was not affected by the use of probiotics or antibiotics.…”

Section: Resultsmentioning

confidence: 99%

Evaluation of the use of probiotics in diets with or without growth promoters for broiler chicks

Meurer¹,

Leal²,

Rocha³

et al. 2010

R. Bras. Zootec.

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show abstract

“…The use of different growth promoter additives did not influence the results of feed conversion of chicks in the initial rearing phase in the studies conducted by Silva et al (2011), Rocha et al (2010), Faria et al (2009), Lorençon et al (2007, Takahashi et al (2005) and Pelicano et al (2004). However, Maiorka et al (2001), evaluating the effects of substitution of antibiotics by prebiotics, probiotics and synbiotics in diets for broilers in the period of 1-21 days of age, observed better feed conversion in poultry fed probiotics.…”

Section: Resultsmentioning

confidence: 83%

“…Thus, the effectiveness of the product is strictly dependent on characteristics and quantity of microorganism strains used in the probiotic preparation (Tournut, 1998); it is very difficult to draw a parallel between studies and compare the results. Lorençon et al (2007), evaluating the use of growth promoters for broilers, found no effect from different probiotics and antibiotics on performance of broilers during 1-21 days of age. Likewise, Correa et al (2003), working on diets containing probiotics and antibiotics, found no differences in weight gain or feed conversion in the period of 1-20 days.…”

Section: Resultsmentioning

confidence: 99%

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Use of probiotics to replace antibiotics for broilers

et al. 2012

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-This study was carried out to evaluate the effect of supplementation of probiotics (Lactobacillus acidophilus, Enterococcus faecium and Bifidubacterium bifidum) and antibiotics (flavomicina and staquinol) on diets for broilers from 1 to 42 days of age, reared in clean (new litter) and challenged (reused litter) environments. A total of 768 one-day-old male broilers of the Cobb 500 strain were distributed in a completely randomized design in a 2 × 4 factorial arrangement (2 litter types × 4 diets), totaling eight treatments with eight replications and 16 poultry per experimental unit. The results of performance and carcass characteristics were submitted to analysis of variance using the Studen Newman Keuls test at 0.05 probability. In the period of 1-21 days of age, the supplementation with probiotics for poultry raised in the new litter reduced feed intake, whereas in those raised in reused litter, the diet free of growth promoter showed a lower consumption. Poultry from 1 to 42 days raised in new litter had lower feed intake when supplemented with probiotics. Other results of performance and carcass yield were not affected. For the poultry raised in reused litter, the use of probiotics resulted in lower thigh yield and higher liver yield. The use of different growth promoters in feed for broilers does not influence the performance of poultry raised in new or reused litter. The use of probiotic promotes lower feed intake without compromising the performance, regardless of the type of litter used, demonstrating the feasibility of using this product as substitute for antibiotics.

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Evaluation of dietary lignin on broiler performance, nutrient digestibility, cholesterol and triglycerides concentrations, gut morphometry, and lipid oxidation

Leite,

Granghelli,

Roque

et al. 2024

Poultry Science

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Utilização de promotores de crescimento para frangos de corte em rações fareladas e peletizadas

Cited by 21 publications

References 4 publications

Evaluation of the use of probiotics in diets with or without growth promoters for broiler chicks

Evaluation of the use of probiotics in diets with or without growth promoters for broiler chicks

Use of probiotics to replace antibiotics for broilers

Evaluation of dietary lignin on broiler performance, nutrient digestibility, cholesterol and triglycerides concentrations, gut morphometry, and lipid oxidation

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