Abstract
Reproductive efficiency is a key driver of productivity and profitability in many sheep enterprises. Both ewe and ram genetics influence reproductive efficiency, along with environmental influences. However, past research has heavily focused on the influence of the ewe. Reproductive failure from the paternal side has a significant influence, as a single ram may inseminate hundreds of ewes during their lifetime. Hence, the objective of this study was to investigate the influence of ram spermatozoal motility on conception outcomes and foetal scan count following artificial insemination (AI). Spermatozoal motility was found to significantly influence conception outcomes following logistic regression and approached significance for foetal scan count following ordinal regression. Therefore, spermatozoal motility could play a key role in improving reproductive efficiency in sheep.
| Original language | English |
|---|---|
| Pages (from-to) | 252-255 |
| Journal | Proceedings of the AAABG 26th Conference |
| Publication status | Published - 30 Jun 2025 |
| Event | AAABG 2025: 26th Conference of the Association for the Advancement of Animal Breeding and Genetics - Millennium Hotel Tahuna Queenstown, New Zealand, Queenstown, New Zealand Duration: 24 Jun 2025 → 26 Jun 2025 |
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