Sarah L Phelps1, Garland R Dahlke1, Jaedyn M Condon1

  • 1Department of Animal Science, Iowa State University, Ames, IA, USA 50011.

Journal of animal science
|February 16, 2026
PubMed
まとめ

死体の超音波測定は,背中の脂肪の厚さと同様に,雌牛の妊娠の成功を予測することができます. 成熟した体重の65%に達するまでの雌牛の発達により,の反応は改善されたが,全体的な妊娠率は改善されなかった.

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