Shukra is present in our body in invisible manner as ghee is indistinguishable in milk. Same way jaggery can not be seen directly in sugarcane.
Shukra in men:
The invisible shukra present in body gets ejaculated through penis in the form of visible shukra or semen. Semen gets ejaculated when men indulge in sexual activities after getting stimulated by sexual thoughts, touch etc .
Shukra in Children:
Yadhaa mukulpushasya sugandho nopalabyate labhyate tad vikaasaat tu tadha shukramhi dehinaam ||
Children will have shukra in dormant stage . This is compared to buds of flowers which have hidden fragrance in them. The visible shukra appears when children reach adulthood.
Difficulty in ejaculation of semen. Ejaculating little quantity of semen after a painful coitus. Weakness Early ageing symptoms with dry and wrinkled face Anemia Weak muscles Getting tiered easily even after little exertion Impotence or erectile dysfunction Absence of semen ejaculation.
Causes for Shukra kshaya or decrease of shukradhatu (semen):
Old age, Mental stress and worries, chronic diseases, under nourishment and excessive indulgence in sex or ejaculation of semen leads to shukra kshaya or reduced quantity of semen.
Importance of Shukra dhatu:
As shukradhatu is end product of dhatu parinaama or formation of dhatus, it is considered as essence of all dhatus. Hence its level in body has to be maintained very carefully by consuming nourishing foods and leading a healthy life. Shukradhatu has to be protected to keep body healthy. Practicing healthy sexual life, consuming healthy food and leading a healthy lifestyle help to protect shukra. Or else it leads to shukra kshaya