Background: The current study aims to measure the effect of oxidative stress on pregnancy rates Bulgarian Murrah buffaloes during breeding and non-breeding season.
 Methods: group consisted 24 mature more than 40 days after parturition. following parameters were measured: Reactive Oxygen Species (ROS) products, Ascorbate radicals, Malondialdehyde (MDA), Nitric Oxide (NO), Super Dismutase (...