A Comprehensive R Tool for Zootechnical Metrics R package aquacultuR version 1.1.1 A collection of functions to compute frequently used metrics for nutrition trials in aquaculture. Implementations include metrics to calculate growth, feed conversion, nutrient use efficiency, and feed digestibility. The package supports reproducible workflows for summarising experimental results and reduces manual calculation errors. For additional information see Machado e Silva, Karthikeyan and Tellbüscher (2025) <doi:10.13140/RG.2.2.27322.04808>. Software Depends: R (>= 3.5) Imports: dplyr, magrittr Suggests: knitr, lubridate, tidyr, rmarkdown, testthat (>= 3.0.0) Anıl Axel Tellbüscher <atellbuscher@frov.jcu.cz> Comprehensive R Archive Network (CRAN) Anıl Axel Tellbüscher [aut, cre, cph] (ORCID: <https://orcid.org/0000-0002-6065-9494>), Davide Machado e Silva [aut] (ORCID: <https://orcid.org/0000-0003-2892-8292>), Simão Correia [aut] (ORCID: <https://orcid.org/0000-0003-2877-0317>), Madhav Karthikeyan [ctb] (ORCID: <https://orcid.org/0000-0002-1284-4652>), Tomáš Pěnka [dtc] (ORCID: <https://orcid.org/0000-0002-5923-3242>) GPL (>= 3) 2026-01-26 application/tgz https://CRAN.R-project.org/package=aquacultuR doi:10.32614/CRAN.package.aquacultuR