Parcourir par auteur "Menegatos, I."
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Association between physical properties of cervical mucus and ovulation rate in superovulated cows
Tsiligianni, T.; Amiridis, G. S.; Dovolou, E.; Menegatos, I.; Chadio, S.; Rizos, D.; Gutierrez-Adan, A. (2011)Possible associations between certain physical properties of cervical mucus (CM) and ovulation rate were studied in 21 superovulated Holstein cows. In CM samples collected at the beginning of estrus (0 h) and in 4 h intervals ... -
Combined administration of gonadotropin-releasing hormone, progesterone, and meloxicam is an effective treatment for the repeat-breeder cow
Amiridis, G. S.; Tsiligianni, T.; Dovolou, E.; Rekkas, C.; Vouzaras, D.; Menegatos, I. (2009)In practice, the etiologic treatment of the repeat-breeder cow is nearly infeasible. In this study, we tested the hypothesis that a combined treatment would benefit the conception rate of repeat-breeder cows. The components ... -
The effect of repeated follicular aspiration on the onset of puberty and growth rate of winter- or autumn-born lambs
Valasi, I.; Fthenakis, G. C.; Prassinos, N. N.; Menegatos, I.; Grigoropoulou, V.; Deligiannis, C.; Vainas, E.; Amiridis, G. S. (2009)The effects of follicular aspiration for oocyte retrieval on the attainment of puberty and growth rate were studied in winter-born (9 treated and 6 control) and autumn-born (5 treated and 5 control) ewe lambs. In the treated ... -
Luteal stage dependence of pituitary response to gonadotrophin-releasing hormone in cyclic dairy ewes subjected to synchronisation of ovulation
Amiridis, G. S.; Valasi, I.; Menegatos, I.; Rekkas, C.; Goulas, P.; Papanikolaou, T.; Deligiannis, C. (2005)Possible hormonal aberrations precluding conception or maintenance of pregnancy in dairy ewes subjected to ovulation synchronisation were investigated in this study. The pituitary response to exogenous gonadotrophin-releasing ... -
Oestradiol concentration as a predictor of ovarian response in FSH stimulated ewe-lambs
Valasi, I.; Leontides, L.; Menegatos, I.; Amiridis, G. S. (2007)We investigated the prediction of ovarian response using oestradiol determination, in 37 gonadotrophin stimulated Karagouniko ewe-lambs. Ovarian stimulation was induced by serial FSH administrations, and laparoscopic ... -
Oocyte pick-up in juvenile lambs affects neither onset of puberty nor their future fertility
Valasi, I.; Menegatos, I.; Papanikolaou, Th; Goulas, P.; Amiridis, G. S. (2006)A study was designed to evaluate whether the time of onset of puberty and fertility of young ewe lambs would be affected by oocyte pick-up conducted in single or repeated sessions during the first months of lambs' live. ... -
Pituitary response to gonadotrophin-releasing hormone in melatonin treated ewes
Valasi, I.; Tsiligianni, T.; Cseh, S.; Menegatos, I.; Amiridis, G. S. (2007)