Environmental enrichment techniques and tryptophan supplementation used to improve the quality of life and animal welfare of Nile tilapia
The adoption of high standards of animal welfare improves the quality of life for animals being reared and produces improved end products for consumers. In this study, we investigate the role of environmental enrichment and tryptophan supplementation in increasing animal welfare indices in tilapia. To do this, the environment where fish are reared is enriched […]
Meta-analytic review of the effects of enrichment on stereotypic behavior in zoo mammals
Abstract 10.1002/zoo.20091.abs This meta-analysis reports the effect enrichment has on the occurrence of stereotypic behavior exhibited by captive zoo mammals. The analysis also identifies which types of enrichment are most effective, which groups of animals benefit the most, and which types of stereotypes are most affected by environmental enrichment. The analysis included 54 studies that […]