Contrary to numerous claims by the HSUS, the use of PZP is not humane, nor is it “elegant”. According to the USDA’s Natural Wildlife Research Center, when administered, PZP causes the production of antibodies that keeps an egg from being…
Contrary to numerous claims by the HSUS, the use of PZP is not humane, nor is it “elegant”. According to the USDA’s Natural Wildlife Research Center, when administered, PZP causes the production of antibodies that keeps an egg from being…