Relationship between estrus endometrial edema and progesterone production in pregnant mares two weeks after ovulation

Autor: Anna Grabowska, Roland Kozdrowski
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: BMC Veterinary Research, Vol 18, Iss 1, Pp 1-8 (2022)
Druh dokumentu: article
ISSN: 1746-6148
DOI: 10.1186/s12917-022-03512-0
Popis: Abstract Background Progesterone plays a crucial role in the maintenance of pregnancy from conception to about 100–120 days of gestation when placenta becomes the main source of gestagens. The aim of the study was to test progesterone concentration 14 days after ovulation in pregnant mares and relate it to peak estral endometrial edema and the presence of intrauterine fluid (IUF) after artificial insemination (AI), the number of treatments against IUF, and the time from AI to the day when the uterus was found free of fluid. Results Mares were divided into two groups: group A (n = 13; age 10.8 ± 4.5 years) in which a normal embryonic vesicle with a diameter ≥ 14 mm and a corpus luteum with a diameter ≥ 15 mm were found 14 days after ovulation, and group B (n = 22; age 9.4 ± 4 .0 years) in which 14 days after ovulation, a small (
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