Show Calf 2 34gm Group_RespiSure 1 One Eliminates the need for having Eliminates the need for having a permanent or reusable shipper sent back to you by your client Features: Increase productivity and save money Aids in the identification of estrus in sows and first estrus in gilts without the use of a boar Water based formula eliminates solvent shock Daily treatment after weaning can reduce the number of days to next estrus No organic solvent Show Calf 2 contains only test free ingredients Administration directly from the syringe onto the back of the calf's tounge two to four hours prior to competition Show Calf 2 does not contain the herb "valerian root