127 Comparison of long-term progestin-based protocols to synchronize estrus prior to fixed-time artificial insemination or natural service in Bos indicus-influenced beef heifers.

An experiment was designed to evaluate reproductive performance of Bos indicus-influenced beef heifers (n=1,456). Weights and reproductive tract scores (RTS; Scale 1–5) were obtained prior to assignment of one of five treatments: Non-synchronized+natural service (NS); melengestrol acetate+NS (MGA+NS...

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Veröffentlicht in:J Anim Sci
Hauptverfasser: Locke, J, Thomas, J, Knickmeyer, E, Ellersieck, M, Yelich, J, Poock, S, Smith, M, Patterson, D
Format: Artigo
Sprache:Inglês
Veröffentlicht: Oxford University Press 2018
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Online Zugang:https://ncbi.nlm.nih.gov/pmc/articles/PMC6285113/
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/jas/sky404.758
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