Animals for which the substance is injected intradermally, mounted intradermal needle assembly in advance fillable container, including a needle cannula, which is supported by the hub portion. The hub unit is configured to receive a pre-fillable container immediately before intradermal injection. Limiter portion surrounds the needle cannula extends away from the hub portion to the front tip side of the needle cannula, and includes a skin-contacting surface, the needle cannula has a direction of a predetermined angle to the plane of the skin-contacting surface, preferably substantially perpendicular. Skin contact surface is received in contact with the skin of the animal to perform intradermal injection. Forward tip extends beyond the distance skin-contacting surface capable of piercing the needle cannula into the dermis layer of the animal skin to allow injection of material into the dermal layer.