Robuta

https://www.jci.org/articles/view/111878/pdf
arginine vasotocinfetal bloodjciovineurine
https://pubmed.ncbi.nlm.nih.gov/11316424/
Vasotocin (AVT) promotes courtship in a wide range of vertebrates. However, this effect is not independent of steroid hormones. For example, androgens may work...
behavioralhormonaleffectsexogenousvasotocin