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    • An investigation on plasma progesterone levels during pregnancy and at parturition in the Ivesi sheep 

      Kalkan, Cahit; Çetin, Hayrettin; Kaygusuzoğlu, Erdal; Yılmaz, Bayram; Çiftçi, Muhterem; Yıldız, Hamit; Yıldız, Atilla; Deveci, Hüseyin; Apaydın, Ali Mükremin; Öcal, Halis (Acta Vet. Hungarica, 1996-09-30)
      In this study, plasma progesterone concentrations in a total of 45 Ivesi sheep were investigated during pregnancy and parturition. Blood samples were collected from all the sheep studied every 20 days commencing on the ...