Date: 27 August ‘07; 14:00 - 18:00 hours

Chairperson: J.F. Hocquette (FR)

Theatre Session 24

• Effects of twice-daily milking of cows at very unequal intervals upon milk production
  Rémond, B., D. Pomiès and C. Julien
• Effect of milking frequency of heifers on milk production in the subsequent lactation
  O’Brien, B., D. Gleeson, J. Mee and L. Boyle
• Influence of different milking regimes on milk secretion
  Hamann, J., M. Schridde, F. Reinecke and R. Redetzky
• Relationships between water intake, feed intake and milk yield
  Kramer, E., E. Stamer and J. Krieter
• The link between energy balance pattern and fertility in dairy cows
  Pollott, G.E.
• About the influence of production intensity on the specific energy requirement for milk production
  Rus, C.G. and R. Brunsch
• Electrical conductivity of milk as an indicator of mastitis
  Henze, C., W. Junge and J. Krieter
• Automatic detection of mastitis and oestrus in dairy cattle
  Roelofs, R.M.G., R.M. De Mol, K. Odinga, A.H. Ipema and E.P.C. Koenen
• Evaluation of mid-infrared spectroscopy as a technique for predicting coagulation properties of milk
  De Marchi, M., R. Dal Zotto, P. Carnier, C. Cassandro, L. Gallo and G. Bittante
• Predicting approaching calving of the dairy cow by a behaviour sensor
  Maltz, E. and A. Antler
   

Poster Session 24

• Economic weights of Holstein cattle in Slovak dairy production system
  Krupova, Z., J. Huba, J. Dano, E. Krupa and M. Oravcova
• The effect of age at first calving and gestation length on calving difficulty in Holsteins
  Fiedlerová, M., D. Řehák, M. Štípková, E. Němcová and J. Volek
• Factors influencing on parturition time in range Holstein cattle in a dairy herd in Tehran suburb
  Ebrahimi, A., F. Gharagozloo and M. Vojdgani
• Effects of postinsemination administration of GnRH or CIDR on pregnancy in dairy cows during heat stress
  Moghaddam, A.A., M. Kamyab Teimouri and M. Kazemi
• Etiology and efficacy of different treatment methods in inactive ovary of cows from Terhran dairy farms
  Mohammadsadegh, M. and B. Khabbaz
• Bovine embryo freezability after biopsy
  Nainiene, R., J. Kutra and A. Siukscius
• In vitro fertilizing capacity comparison of bull semen from an Azorean rare breed “Ramo Grande”
  Santos, P., A. Chaveiro, A. Marques, G. Antunes and J. Moreira Da Silva
• Study of cervical mucus crystallization, sperm survival in cervical mucus and reproductive results of Holstein cows
  Jezkova, A., L. Stadnik and F. Louda
• Sperm survival in cervical mucus and reproduction results in synchronized Holstein cows
  Stádník, L., A. Ježková, M. Vacek and F. Louda
• Effect of urea on bovine oocyte’s maturation
  Brilhante, M.J., P. Santos and F. Moreira Da Silva
• Effect of urea on apoptose regulation of the granulosa cells in bovine: a flow cytometer study
  Pereirinha, T., A. Chaveiro, P. Santos, A. Marques, G. Antunes and F. Moreira Da Silva
• Influence of apoptosis in the early arrestment of pre-implanted bovine embryos
  Antunes, G., P. Santos, A. Marques, A. Chaveiro and F. Moreira Da Silva
• Milk production, milk components content and reproduction of cows in conventional vs ecological system of farming
  Stádník, L., F. Louda, A. Ježková and M. Bjelka
• Effects of propylene glycol on milk production, milk composition, blood metabolites and nutrient digestibility of lactating dairy cows
  Toghdory, A.H.
• Productive performance of lactating cows fed rations supplemented with fibrozyme
  Saleh, M.S.
• Relationship between concentration of selected biochemical indicators of blood measured in heifers and the latter’s milk performance
  Oprzadek, J.M., E. Dymnicki and A. Oprzadek
• New insight in mechanism of action of the California Mastitis Test (CMT)
  Hamann, J., D. Kleinschmidt, F. Reinecke and R. Redetzky
• Genetic trend of milk yield of bulls in Vojvodina
  Trivunović, S., M. Ćinkulov, M. Plavšić and D. Glamočić