PZP Study Raises Concerns for Use on Wild Horses
Research indicates the long-term horse contraceptive, porcine zona pellucida (PZP), extends the breeding season in wild horses, raising concerns over the social consequences of the drug on herds.
Research indicates the long-term horse contraceptive, porcine zona pellucida (PZP), extends the breeding season in wild horses, raising concerns over the social consequences of the drug on herds.
R.T. Fitch, author of "Straight from the Horse's Heart" and President/Co-Founder of 'Wild Horse Freedom Federation' ~ putting People between Wild Equines and Extinction
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