Predicting ovulation in the mare on the basis of follicular growth and serum oestrone sulphate and progesterone levels - Koskinen, Erkki; Kuntsi, Helena; Lindeberg, H; Katila, Terttu (Parey, 1989)
Keywords: Ko; hevonen; lisääntyminen; mare; ovulation; follicle; serum progesterone; serum oestrone sulphate; ultrasonography