An assessment of the impacts of litter treatments on the litter quality and broiler performance: A systematic review and meta-analysis

The choice of the most suitable litter treatment should be based on scientific evidence. This systematic review assessed the effectiveness of litter treatments on ammonia concentration, pH, moisture and pathogenic microbiota of the litter and their effects on body weight, feed intake, feed conversio...

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Bibliographic Details
Published in:PloS one 2020-05, Vol.15 (5), p.e0232853-e0232853
Main Authors: de Toledo, Taiani Dos Santos, Roll, Aline Arassiana Piccini, Rutz, Fernando, Dallmann, Henrique Müller, Dai Prá, Marcos Antonio, Leite, Fábio Pereira Leivas, Roll, Victor Fernando Büttow
Format: Article
Language:English
Subjects:
Acidification
Agronomy
Alkalizing
Aluminum
Ammonia
Animal sciences
Animals
Biology and Life Sciences
Body weight
Body weight gain
Broilers (Chickens)
Confidence intervals
Conversion
Feed conversion
Feeds
Food and nutrition
Gypsum
Legal fees
Litter
Medicine and Health Sciences
Meta-analysis
Microbiota
Microbiota (Symbiotic organisms)
Moisture content
Mortality
pH effects
Phosphate fertilizers
Phosphates
Physical Sciences
Poultry
Poultry industry
Quality management
Random variables
Research and Analysis Methods
Researchers
Search engines
Studies
Subgroups
Systematic review
Variables
Waste management
Water content
Zoology
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Summary:The choice of the most suitable litter treatment should be based on scientific evidence. This systematic review assessed the effectiveness of litter treatments on ammonia concentration, pH, moisture and pathogenic microbiota of the litter and their effects on body weight, feed intake, feed conversion and mortality of broilers. The systematic literature search was conducted using PubMed (Medline), Google Scholar, ScienceDirect and Scielo databases to retrieve articles published from January 1998 to august 2019. Means, standard deviations and sample sizes were extracted from each study. The response variables were analyzed using the mean difference (MD) or standardized mean difference (SMD), (litter treatment minus control group). All variables were analyzed using random effects meta-analyses. Subgroup meta-analysis revealed that acidifiers reduce pH (P
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0232853