Avaliação de probióticos na dieta de frangos de corte criados em cama nova ou reutilizada

Traldi, Ana Beatriz; Oliveira, Maria Cristina de; Duarte, Karina Ferreira; Moraes, Vera Maria Barbosa de

doi:10.1590/s1516-35982007000300020

Cited by 28 publications

(15 citation statements)

References 6 publications

(3 reference statements)

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“…The presence of breast blisters was not observed in any treatment. Traldi et al (2007) also found no difference in breast lesions when studying carcass lesions in broilers reared on new or reused litter.…”

Section: Litter Materials and The Incidence Of Carcass Lesions In Bromentioning

confidence: 87%

Litter materials and the incidence of carcass lesions in broilers chickens

Garcia

Paz

Caldara

et al. 2012

Rev. Bras. Cienc. Avic.

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The aim of this study was to evaluate the effects of different litter materials on litter compaction, broiler feathering and the incidence of carcass lesions. In the experiment, 3240 one-day-old Ross ® chicks were selected by sex and distributed according to a completely randomized experimental design in a 2 x 6 factorial arrangement (two sex and six litter materials). The following litter materials were used: wood shavings, rice husks, chopped Napier grass, 50% sugar cane bagasse plus 50% wood shavings, 50% sugar cane bagasse plus 50% rice husks, and pure sugar cane bagasse. Litter compaction was weekly assessed using a penetrometer. On days 21, 35 and 42 of the experimental period, feathering on the back and legs was scored according to a 0 -10 scale. On day 42, birds were slaughtered and the presence of bruises, scratches and footpad lesions was recorded. Litter material had no effect on bird feathering. Carcass lesions (scratches, bruises and footpad lesions) were influenced by the litter material evaluated. Birds reared on sugarcane bagasse and chopped Napier grass presented more scratches, bruises and footpad lesions than the others. Dermatitis was more evident in birds reared on sugarcane bagasse, chopped Napier grass and the combination of litter materials. It was found that males presented higher incidence of dermatitis and footpad lesions than females. Each litter material presented different compaction degrees, which increased along the experimental period. Sugarcane bagasse, chopped Napier grass and the combination of bedding materials presented the highest degree of compaction, compared with wood shavings and rice husks.

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Section: Litter Materials and The Incidence Of Carcass Lesions In Bromentioning

confidence: 87%

Litter materials and the incidence of carcass lesions in broilers chickens

Garcia

Paz

Caldara

et al. 2012

Rev. Bras. Cienc. Avic.

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“…Litter moisture may greatly influence the incidence and the severity of pododermatitis (Traldi et al, 2007). Bernardi (2011) indicated that high excreta output increase litter moisture and nitrogen content, also increasing the incidence and severity of footpad lesions.…”

Section: Evaluation Of Dietary Glycerin Inclusion During Different Brmentioning

confidence: 99%

Evaluation of Dietary Glycerin Inclusion During Different Broiler Rearing Phases

Freitas

Menten

Zavarize

et al. 2017

Rev. Bras. Cienc. Avic.

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Alternative feedstuff, biodiesel, broiler litter; nutrition, pododermatitis.Submitted: April/2016 Approved: November/2016 ABStRACtThe objective of this study was to evaluate the effect of the dietary addition of different levels of glycerin on the performance, litter moisture, pododermatitis incidence, and carcass and parts yield of broilers. In total, 1,610 broilers were reared in 35 pens with 46 birds each. A completely randomized experimental design, with five treatments with seven replicates was applied. The experimental treatments were: T1: control diet; T2: dietary inclusion of 5% glycerin from 1-42 days of age; T3: dietary inclusion of 10% glycerin from 1-42 days of age; T4: dietary inclusion of 5% glycerin from 7-42 days of age; T5: dietary inclusion of 10% glycerin from 7-42 days of age. The diets containing glycerin fed since the pre-starter period improved broiler weight gain and feed conversion ratio, but did not influence feed intake or livability. At the end of the experiment, the production efficiency index of the broilers fed 10% glycerin during the entire rearing period was significantly reduced compared with the other treatments. Litter moisture in the pens of broilers fed 10% glycerin during the entire rearing period was higher compared to the other treatments since day 21.Diets containing 10% glycerin, both for the entire rearing period (1-42 days) or only after the pre-starter phase (7-42 days), influenced broiler performance and incidence of severe pododermatitis, reducing the production efficiency indexes at 42 days. Glycerin may be added up to 5% in broiler´s diets with no effect on performance, litter moisture and carcass yield, indicating that this co-product of the biodiesel industry can be used as an alternative feedstuff for broilers.

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“…According to Traldi et al (2007), probiotics can improve the utilization of food and thereby reduce nutrient excretion. Furthermore, there is a tendency to increase the use of probiotics in diets for animals, which is a more reasonable option, since they do not leave residues in the environment, in the animal body and do not cause crossresistance in men compared with antibiotics (Nepomuceno & Andreatti, 2000).…”

Section: Introductionmentioning

confidence: 99%

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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Avaliação de probióticos na dieta de frangos de corte criados em cama nova ou reutilizada

Cited by 28 publications

References 6 publications

Litter materials and the incidence of carcass lesions in broilers chickens

Litter materials and the incidence of carcass lesions in broilers chickens

Evaluation of Dietary Glycerin Inclusion During Different Broiler Rearing Phases

Use of probiotics to replace antibiotics for broilers

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