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November 12, 2025The Journal of Basic and Applied ZoologyOpen Access

Implications for early rearing techniques: ovarian dynamic and hormonal effects in Barki Ewes

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Authors

SNSameer A. NagadiMFMohammed Hamdy FaroukMAMontaser Elsayed Ali

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Overview

This research demonstrates breeding programs involving ewe lambs may sustain reproductive efficiency while ensuring flock productivity.

Key Points

  • This study aims to compare ovarian dynamics and hormonal profiles in ewe lambs and mature ewes for reproductive efficiency.
  • Sixty Barki ewes divided into two groups: ewe lambs and mature ewes.
  • Ultrasonography and ELISA were employed to assess ovarian dimensions, follicular dynamics, and hormonal levels.
  • Fertility, estrus, and lambing rates were recorded after mating with fertile rams.
  • Mature ewes exhibited significantly larger ovarian dimensions and higher estradiol levels than ewe lambs.
  • No significant difference in fertility rates was observed between the two groups.
  • Both groups showed similar serum progesterone concentrations during the study.

Cite This Study

Nagadi et al. (2025) studied this question.

synapsesocial.com/papers/692523d4c0ce034ddc355541https://doi.org/10.1186/s41936-025-00509-7
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