ArticleScientific reports2020
Ovarian follicular dynamics, progesterone concentrations, pregnancy rates and transcriptional patterns in Bos indicus females with a high or low antral follicle count.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 39 citations in OpenAlex.
- Comparative analysis of delayed ovulation and associated ovarian patterns in the Ongole crossbred cattle.Open veterinary journal · 2026Article
- Seasonal effects on follicular dynamics and hemodynamics, ovarian hormone levels, nitric oxide levels, and lactate dehydrogenase levels in native mares.Open veterinary journal · 2025Article
- Effects of Two Hormonal Protocols for FTAI on the Fertility of Repeat Cows.International journal of molecular sciences · 2025Article
- Relationship between anti-Müllerian hormone concentration and antral follicle count in Colombian creole cows of the Chino Santandereano breed.Journal of advanced veterinary and animal research · 2025Article
- Strategic approaches to improve equine breeding and stud farm outcomes.Veterinary world · 2025Review
- Genetic parameters and genome-wide association studies including the X chromosome for various reproduction and semen quality traits in Nellore cattle.BMC genomics · 2025Article
- Beef cows with larger vulvar width have greater antral follicle count, viable oocytes, and higher circulating AMH.Animal reproduction · 2025Article
- Impact of antral follicle count on follicular-luteal characteristics, superovulatory response, and embryo quality in Sahiwal cows.Frontiers in veterinary science · 2024Article
- Reduced period from follicular wave emergence to luteolysis generated greater steroidogenic follicles and estrus intensity in dairy cows.Scientific reports · 2023Article
- Associations of antral follicle count with fertility in cattle: A review.JDS communications · 2023Review
- Understanding the Ovarian Interrelationship with Low Antral Follicle Counts (AFC) in the In VivoBiology · 2022Article
- Evaluation of three classification methods of antral follicle count and fertility to the timed artificial insemination in cattle.Animal reproduction · 2022Article
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Authors and funding
13 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We evaluated the effect of the antral follicle count (AFC) on ovarian follicular dynamics, pregnancy rates, progesterone concentrations, and transcriptional patterns of genes in Nelore cattle (Bos taurus indicus) after a timed artificial insemination (TAI) programme. Cows were separated based on the AFC, and those with a high AFC showed a larger (P < 0.0001) ovarian diameter and area than those with a very low AFC. Females with a very low AFC exhibited a larger (P < 0.01) diameter of the dominant follicle at TAI (13.6 ± 0.3 vs. 12.2 ± 0.4 mm) and a tendency (P = 0.06) to have different serum progesterone concentrations (2.9 ± 0.3 vs. 2.1 ± 0.3 ng/mL; on day 18, considering day 0 as the beginning of the synchronization protocol) than those with a high AFC. The pregnancy rate was higher (P ≤ 0.05) in animals with a very low (57.9%) and low (53.1%) AFC than in those with a high AFC (45.2%). The expression of genes related to intercellular communication, meiotic control, epigenetic modulation, cell division, follicular growth, cell maintenance, steroidogenesis and cellular stress response was assessed on day 5. In females with a low AFC, 8 and 21 genes in oocytes and cumulus cells, respectively, were upregulated (P < 0.05), while 3 and 6 genes in oocytes and cumulus cells, respectively, were downregulated. The results described here will help elucidate the differences in ovarian physiology and the reproductive success of Bos indicus females with a low or high AFC.
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