1. Aherne F: Improving breeding herd efficiency: an industry perspective. Proceedings of the 29th Annual Symposium of the Pig Health Society. 2002, Pig Health Society, Dublin, 30-44.
2. Ashenhurst AL: Boar Management. Proceedings of the 11th Annual Winter Symposium of The Pig Health Society: Efficient Production of Quality Pigmeat. 1983, Pig Health Society, Dublin, 27-36.
3. BPEX: 2004 pig cost of production in selected EU countries. 2005, BPEX: Milton Keynes
4. Carroll C: Sow culling and parity profiles. Proceedings of Teagasc Pig Farmers Conferences. 1999, Teagasc, Sandymount Avenue, Dublin 4, 35-41.
5. Carroll C, Lawlor P: Gilt management 90 kg to mating. Proceedings of Teagasc Pig Farmers Conferences. 1996, Teagasc, Sandymount Avenue, Dublin 4, 26-33.