Effect of the stage of estrous cycle on follicular population, oocyte yield and quality, and biochemical composition of serum and follicular fluid in Anatolian water buffalo

This study was designed to investigate the effects that the different stages of the estrous cycle had on the number of surface ovarian follicles and oocyte yield and quality of Anatolian water buffalo during peak breeding season. Assessments were made on the basis of ovarian morphology, serum and fo...

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Bibliographic Details
Published in:Animal reproduction science 2013-02, Vol.137 (1-2), p.8-14
Main Authors: Baki Acar, Duygu, Birdane, Muhammed Kursad, Dogan, Nurhan, Gurler, Hande
Format: Article
Language:English
Subjects:
alkaline phosphatase
Alkaline Phosphatase - blood
Anatolian water buffalo
Animals
blood
breeding
breeding season
buffaloes
Buffaloes - blood
Buffaloes - physiology
chemical composition
cholesterol
Cholesterol - blood
estrous cycle
Estrous Cycle - blood
Estrous Cycle - physiology
Female
follicular fluid
Follicular fluid composition
Follicular population
high density lipoprotein cholesterol
Oocyte quality
oocytes
Oocytes - physiology
Oocytes - ultrastructure
Ovarian Follicle - cytology
Ovarian Follicle - physiology
progesterone
Progesterone - blood
Seasons
Serum composition
slaughter
sodium
Statistics, Nonparametric
Turkey
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Summary:This study was designed to investigate the effects that the different stages of the estrous cycle had on the number of surface ovarian follicles and oocyte yield and quality of Anatolian water buffalo during peak breeding season. Assessments were made on the basis of ovarian morphology, serum and follicular fluid concentrations of variety of biochemical parameters. Following slaughter, blood samples were collected from each animal. The stage of estrous cycle was classified as either the luteal or follicular phase, and surface ovarian follicles were classified as small, medium, or large. The follicular fluid was aspirated, and oocytes were evaluated microscopically for classification into four categories. No statistical differences (p>0.05) were observed regarding the total number of follicles or quality of oocytes relative to the stage of the estrous cycle. Serum high-density lipoprotein cholesterol (HDL), alkaline phosphatase (ALP) and progesterone (P4) concentrations were significantly higher in the luteal phase than in the follicular phase (P
ISSN:0378-4320
1873-2232
DOI:10.1016/j.anireprosci.2012.12.004