ag: Absolute Growth (AG)

In aquacultuR: A Comprehensive R Tool for Zootechnical Metrics

Absolute Growth (AG)

Description

A function that calculates the Absolute Growth (AG), also denoted as Absolute Weight Gain (AWG) based on the Initial Body weight (IBW; ibw) in gram (g) and the Final Body Weight (FBW; fbw) in gram (g).

Usage

ag(ibw, fbw)

weight_gain(ibw, fbw)

Arguments

ibw	numeric; value providing the initial bodyweight in grams.
fbw	numeric; value providing the final bodyweight in grams.

Value

returns a numeric value that is the AG.

Author(s)

Anıl Axel Tellbüscher

References

Lugert, V., Thaller, G., Tetens, J., Schulz, C., & Krieter, J. (2016): A review on fish growth calculation: multiple functions in fish production and their specific application. Reviews in Aquaculture, 8, p.30–42.

Examples

data(weight2)
dplyr::mutate(weight2, AG = ag(ibw_g, fbw_g))

aquacultuR documentation built on Jan. 26, 2026, 5:07 p.m.