Date: 28 August ‘07; 08:30 - 12:30 hours

Chairperson: F. Buckley (IE)

Theatre Session 30

• Crossbreeding in New Zealand dairy cattle
  Lopez-Villalobos, N., D.J. Garrick and C.W. Holmes
• Milk production, udder health, body condition score at breeding and fertility of first lactation Holstein-Friesian, Norwegian Red and Holstein-Friesian×Norwegian Red cows on Irish dairy farms
  Begley, N., M. Rath and F. Buckley
• First lactation performance of Holstein-Friesian, Jersey and Jersey × Holstein-Friesian cows under grass-based systems
  Prendiville, R., M. Rath, N. Byrne and F. Buckley
• Breed and heterosis effects on different production levels in dairy cattle
  Penasa, M., R. Dal Zotto, G. De Jong, M. Cassandro and G. Bittante
• Additive and heterotic effects on production and reproduction in Friesian × Sahiwal crossbreds and optimum Friesian contribution
  Hassani, S. and M.G. Govindaiah
• Crossbreeding in the sheep sector
  Carson, A.F. and L.E.R. Dawson
• Production and functional traits of Improved Valachian ewes and crossbreds with different genetic portion of Lacaune and East Friesian breed
  Margetín, M., A. Čapistrák, D. Apolen, M. Milerski and M. Oravcová
• Crossbreeding trials aiming to improve meat quality of sheep in Hungary
  Kukovics, S., S. Nagy, A. Javor, A. Lengyel, T. Németh and A. Molnár
   

Poster Session 30

• Effect of breed fraction on dairy traits
  Logar, B.
• Economic values for production and functional traits for crossbred (Holstein x Gir), Holstein and Gir cattle in Southeast Brazil
  Cardoso, V.L., M.L. Pereira Lima, L. El Faro, A.E. Vercesi Filho, J.R. Nogueira, P.F. Machado and J.A.M. Van Arendonk
• Economic values for milk production traits for crossbred (Holstein x Gir), Holstein and Gir cattle in Southeast Brazil under different milk payment policies
  Cardoso, V.L., L. El Faro, J.R. Nogueira, P.F. Machado and J.A.M. Van Arendonk
• The competitiveness of F1 Brown-Swiss x Holstein crosses in the intensive environment of a high-yielding dairy herd
  Bloettner, S., B. Fischer, T. Engelhard and H.H. Swalve
• Crossing with colored breeds in Hungary
  Szendrei, Z., S. Harangi, A. Radácsi, B. Béri and I. Bodó
• Production traits in German Angus, German Simmental, and their crosses
  Müllenhoff, A., H. Brandt, G. Erhardt and M. Gauly