White spike looking thing on the back of a guinea pigs leg is a foot spur.
Some guinea pigs get thick skin flaps that stick out from their front feet.
To avoid unintentional tearing, these spurs can be carefully removed with a nail cutter.
Be careful not to clip too closely and cause bleeding.
The type of bedding or flooring being utilized does not appear to affect the development of spurs.
Do guinea pigs get hurt by foot spurs?
Pets who have bumblefoot, even in moderate cases, can experience agonizing agony; if you believe your guinea pig has bumblefoot, consult an exoticsveterinarian straight soon.
a guinea pig with a severe case of extremely painful bumblefoot.
This instance of bumblefoot was treated by expert attention and therapy.