Apis the bull
This animal was chosen because it symbolizes the brave heart, great strength and fighting spirit of the king …..
Apis was considered a manifestation of the king … as the bulls were a symbol of strength and fertility, qualities closely related to kingship. “The strong bull of his mother, Hathor …. was a common title for Egyptian gods and male kings ….. as women did not use it as a king like Hatshepsut.
Early in the time of the Narmer painting …. the king is almost depicted with a bovine tail on one side …. and a bull is seen tearing down the walls of a city on the other side.
Occasionally, Apis has been depicted with the symbol of the sun disk … and has mutated between its horns, being one of the few deities associated with its symbol. When the disc was depicted on the head with its horns below and the triangular marks on its forehead, the ankh was suggested. This symbol has always been closely associated with Hathor.
Early …. was the Apis Herald (WHM) of Ptah
The main is in the area around Memphis. As a manifestation of Ptah, Apis was also considered a symbol of the king … embodying the attributes of kingship. In the region considered Ptah, cattle displayed white inscriptions on their mainly black bodies; thus, a belief arose that an Apis calf should have a certain set of markings appropriate for its role. It was required to have a white triangular mark on his forehead …… and the outline of the wing of a white Egyptian eagle on the back …. and a mark … a white crescent. On its right side, double hair on its tail.
The calf conforming to these signs was chosen from the flocks, brought to the temple, given a harem from the cows, and venerable as a side of Ptah. It is believed that the cow his mother had carried him through a flash of lightning from the sky or the rays of the moon. She was also specially treated and buried privately. In the temple, Apis was used as a testament.
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When the bull died
Usually due to ageing. However, some believe that priests would hasten his departure if the bull were too old by drowning him. After the death of the bulls, during the late period, a sixty-day national mourning period was observed.
The Egyptians shaved their heads and abstained from eating meat. After the grandiose funeral, the bull’s head and bones were preserved and placed in a decorated coffin for burial. Finally, the animal was buried with a custom suspension. Some of the Apis tombs are known from the Nineteenth Dynasty (1295-1186 BC) …
 
Details of the ritual embalming of the sacred bull were also written in the Apis Papyrus …
Sometimes a bull’s body is embalmed and held in a standing position on a plank foundation.
By the New Kingdom, remains were buried in the Saqqara necropolis. The first known burial was made at Saqqara during the reign of Amenhotep III by his son Thutmose … after which seven more bulls were buried nearby. Ramses II began the burials of Apis in what is now known as Serapeum, an underground complex of burial chambers at Saqqara for oxen …. a site that was used throughout the remainder of history.