* Pubertal onset cannot be accelerated using [[Attractivity Behaviour - Anatomy & Physiology#Pheromones|pheromones]] in animals that have not achieved the appropriate metabolic body size to trigger [[Hypothalamus_- Anatomy & Physiology|hypothalamic]] responsiveness to Oestradiol (oestrogen). | * Pubertal onset cannot be accelerated using [[Attractivity Behaviour - Anatomy & Physiology#Pheromones|pheromones]] in animals that have not achieved the appropriate metabolic body size to trigger [[Hypothalamus_- Anatomy & Physiology|hypothalamic]] responsiveness to Oestradiol (oestrogen). |