A commercially acceptable lactational oestrus induction protocol could be used to modify current weaning and mating management systems within the pork industry. Piglet separation and limited boar exposure during lactation has successfully resulted in an 85% pregnancy rate and acceptable subsequent litter sizes (Downing et al., 2009). A suitable induction protocol has the potential to delay weaning, increase weight gain of piglets after weaning (Thompson et al., 1981) and help in the management of Ã¢Â€Â˜weaner setbackÃ¢Â€Â™. Our hypothesis is that from 21 days of lactation, either full boar contact or piglet separation for 8h/d for 3 days will be sufficient to induce oestrus.
|Title of host publication||Manipulating Pig Production XIV|
|Editors||John Pluske, Jo Pluske|
|Place of Publication||Melbourne|
|Publisher||The Australasian Pig Science Association|
|Number of pages||1|
|Publication status||Published - 2013|
|Event||Australasian Pig Science Association (APSA) Biennial Conference - Melbourne, Australia|
Duration: 24 Nov 2013 → 27 Nov 2013
|Conference||Australasian Pig Science Association (APSA) Biennial Conference|
|Period||24/11/13 → 27/11/13|
McDonald, E. J., Wilkinson, J. I., Collins, C. L., Lievaart, J., & Downing, J. A. (2013). Lactational oestrus can be induced using piglet separation and/or boar exposure in multiparous commercial breeding sows. In J. Pluske, & J. Pluske (Eds.), Manipulating Pig Production XIV (pp. 171-171). The Australasian Pig Science Association.