Determinação do volume saturante de solução desinfetante em piso de chão batido de granja avícola em função da carga microbiana (coliformes) e composição do solo

Pilotto, Fernando; Klein, Vilson Antônio; Wald, Vera Beatriz; Rodrigues, Laura Beatriz; Santos, Luciana Ruschel dos; Colussi, Frederico de Mello; Nascimento, Vladimir Pinheiro do

doi:10.1590/s0103-84782006000600026

Cited by 1 publication

(2 citation statements)

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“…Moreover, considering the high environmental resistance of Clostridium spp, which sporulates, deep floor contamination in poultry houses should be taken into account. Pilotto et al (2006) detected the presence of total and fecal coliform only down to 0,5cm deep in the soil, showing that coliform contamination can be restricted to the top layer of the dirt floor, regardless soil type. Logan & Bartlet (2001) found that after cleaning and disinfection of dirt soils, only a few superficial mm of the floor were relatively clean.…”

Section: Effect Of Floor Type (Dirt or Concrete) On Litter Quality Hmentioning

confidence: 90%

“…According to Pilotto et al (2006), total and fecal coliform counts using the technique of the most probable number (MPN), performed after farm disinfection, indicate if the cleaning procedure and products were indeed effective. Total coliform indexes are used to evaluate hygiene conditions, and high counts indicate that cleaning and sanitation were not effective.…”

Section: Effect Of Floor Type (Dirt or Concrete) On Litter Quality Hmentioning

confidence: 99%

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Effect of floor type (dirt or concrete) on litter quality, house environmental conditions, and performance of broilers

Abreu

Jaenisch

et al. 2011

Rev. Bras. Cienc. Avic.

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This study was conducted with the objective of evaluating the use of concrete or hard-packed dirt floor in broiler houses. This experiment was carried out in two different phases. The following performance parameters were studied: live weight, feed intake, feed conversion ratio, and mortality. Litter moisture, pH and temperature were measured. Litter residual contamination after cleaning and disinfection was also evaluated. A dry bulb thermometer, a wet bulb thermometer, and a black bulb thermometer were placed inside each broiler house at bird height and outside the broiler house for data collection. Environmental data were collected at 3h intervals from 00:00 to 24:00 hours during weeks 4, 5, and 6 of the grow-out. Based on the collected data, air relative humidity (RH) was determined, after which wet bulb globe temperature (WBGT) and Radiant Heat Load (RHL) were calculated. There were no differences in live performance parameters. However, total mortality and sudden death were higher in birds raised on dirt floor. On days 0, 14 and 35, litter pH was higher in the dirt floor as compared to the concrete floor, but at the end of the grow-out, this difference disappeared. There was a cubic effect of bird age on litter moisture, which increased up to day 28, and then stabilized or decreased. Litter coliform contamination was higher at the end of the grow-out as compared to that found at housing, but it was not influenced by floor type. The general thermal comfort of broiler raised on dirt floor was similar to that of broilers raised on concrete floor.

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Section: Effect Of Floor Type (Dirt or Concrete) On Litter Quality Hmentioning

confidence: 90%

Section: Effect Of Floor Type (Dirt or Concrete) On Litter Quality Hmentioning

confidence: 99%

Effect of floor type (dirt or concrete) on litter quality, house environmental conditions, and performance of broilers

Abreu

Jaenisch

et al. 2011

Rev. Bras. Cienc. Avic.

View full text Add to dashboard Cite

show abstract

Determinação do volume saturante de solução desinfetante em piso de chão batido de granja avícola em função da carga microbiana (coliformes) e composição do solo

Cited by 1 publication

References 3 publications

Effect of floor type (dirt or concrete) on litter quality, house environmental conditions, and performance of broilers

Effect of floor type (dirt or concrete) on litter quality, house environmental conditions, and performance of broilers

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