Friday, October 29, 2010

PZP Study Raises Concerns for Use on Wild Horses « Straight from the Horse's Heart

PZP Study Raises Concerns for Use on Wild Horses « Straight from the Horse's Heart

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.

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