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Fawning rates and mating behaviour were compared between white-tailed deer (Odocoileus virginianus) treated with GnRH and porcine zona pellucida (PZP) immunocontraceptive vaccines from 1997 to 2000.(More)
The number and function of bovine mammary-gland phagocytes were assessed in 8 lactating cows, each tested at least twice within an 8-mo period (total number of observations, 20). Macrophages and(More)