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September 10, 2025Agrarian scienceOpen Access

Efficiency of selection of maternal lines of Cornish and Plymouth Rock breeds in the Smena breeding center

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Authors

ЖЕЖ.В. ЕмануйловаAll-Russian Scientific Research and Technological Institute of Poultry Russian Academy of Agricultural SciencesAEA. V. EgorovaAll-Russian Scientific Research and Technological Institute of Poultry Russian Academy of Agricultural Sciences

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Implication

Targeted selection improved egg production and live weight in Cornish and Plymouth Rock breeds, highlighting efficient breeding practices.

Key Points

  • Targeted selection increased live weight of cockerels in Cornish and Plymouth Rock breeds by 16.7% and 23.2%, respectively.
  • Over five generations, breast muscling improved by 5.1–3.2% while leg muscling increased by 2.5–5.8% in both breeds.
  • Maternal lines exhibited an increase in egg production by 2.5–8.9% at 30 and 52 weeks, reflecting genetic advancements.
  • Hatchability rates from hens were high, ranging from 83.8% in Cornish to 85.6% in Plymouth Rock breeds.

Cite This Study

Емануйлова et al. (2025) studied this question.

synapsesocial.com/papers/68c23f63b210217d64796e17https://doi.org/10.32634/0869-8155-2025-396-07-101-106
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