Laube Lazor CX 40 Blade Allflex Global Maxi Numbered Tags 600 is effective in inducing

600 is effective in inducing estrus in prepuberal gilts and weaned sows but will not induce estrus in gilts that have already reached puberty or sows returning to estrus normally12

which is still easily seen

Size Chart:

The 4oz Spray is on back order

This also a great product to be used as a flea dip for dogs

Laube Lazor CX 40 Blade Allflex Global Maxi Numbered Tags 600 is effective in inducingThe Laube Lazor CX #40 blade is a High Carbon Steel blade with a hard Chrome finish. The CX Lazor blades are ice tempered to run cool and stay sharp longer. Runs quieter and smoother improving clipper preformance. Fits most brands of snap on style clippers (does not fit the 305 Speed Feed, or other trimmers) #40 blade Ice Tempered Stays Sharp Longer Runs Cool Ultra Hard 90+ Rockwell High Carbon Steel Hard Chrome Finish Quieter Smoother Improves