Πλοήγηση ανά Θέμα "estrus"
Αποτελέσματα 1-6 από 6
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Effects on puberty of nutrition-mediated endocrine disruptors employed in agriculture
(2021)Pesticide residues are largely found in daily consumed food because of their extensive use in farming and their long half-life, which prolongs their presence in the environment. Many of these pesticides act as endocrine-disrupting ... -
Ghrelin suppresses the GnRH-induced preovulatory gonadotropin surge in dairy heifers
(2016)Ghrelin, a known growth hormone (GH) secretagogue, alters gonadotropin secretion in many species. Our objectives were to study the effects of ghrelin, on GH, LH, FSH secretion, and on luteal function of the ensuing estrous ... -
Impact of thyroid status on the response to ram effect in ewes [Συμβολή του θυρεοειδούς στην απάντηση στην "επίδραση του αρσενικού" στις προβατίνες]
(2018)The role of thyroid hormones on the transition to anestrous has been well established in ewes, but their possible involvement in the induction of reproductive activity remains obscure. The aim of the present study was to ... -
Laparoscopic intrauterine insemination in superovulated Chios breed ewes [Λαπαροσκοπική ενδομητριαία σπερματέγχυση σε προβατίνες φυλής Χίου μετά από πρόκληση πολλαπλής ωοθυλακιορρηξίας]
(2018)In this study the standardization of a simplified method for laparoscopic insemination of ewes is described and the firstresults of its application in 26 donors ewes of Chios breed.Superovulation was induced by i.m. ... -
Neospora caninum, A potential cause of reproductive failure in dairy cows from Northern Greece
(2020)Neospora caninum infection has been reported in a large number of intermediate hosts, such as ruminants, rabbits, mice, etc. but neosporosis has emerged as a serious disease in cattle and dogs worldwide. Abortions and other ... -
A study on ghrelin and LH secretion after short fasting and on ghrelin levels at perioestrual period in dairy cattle
(2019)In two experiments, we studied (a) the changes of LH secretion in heifers under different feeding schedules and (b) total ghrelin concentration at oestrus in cows and heifers. In experiment one, synchronized heifers were ...