evaluation of tris-citric acid, skim milk and sodium citrate extenders for liquid storage of punjab urial (ovis vignei punjabiensis) spermatozoa.the punjab urial (ovis vignei punjabiensis) is an endangered subspecie of ovidae, distributed as small scattered populations in the forest belt of the himalayan foothills of pakistan and in the areas enclosed by the indus and the jhelum rivers. the present study was conducted to evaluate the liquid storage of punjab urial spermatozoa in different extenders for use in future in situ conservation activities. semen was collected by electro-ejaculation from three captive punjab urial rams. suitable ...201324011195
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