Chronic weight loss is a common symptom of various diseases, including infections caused by bacteria, parasites, and viruses (Wiley, 2020). The lack of significant weight changes observed in mice after introducing haemolymph prior to infection may be a result of the treatment itself. This finding supports the work of Fred and Awobajo (2011), who reported weight loss in rats treated with Achachatina marginata haemolymph. However, Bashir et al.