“…An issue that must be considered is that the ADG values may vary according to the weighing methodology. Thus, animals can be weighed after different periods of fasting (Krinchev et al, 2018;Martins et al, 2019) or even not be fasted prior to slaughter (some commercial conditions). Furthermore, in commercial plants, animals can be transported long distances before being weighed and slaughtered, which may affect ADG.…”