210 (45’)

Peri-parturient changes of metabolic hormones and their clinical and reproductive relevance: in dairy cows Gy. Huszenicza1,2, M. Keresztes1, O. Balogh1, V. Faigl1, L. Kátai1, J. Földi1,2, K. Lemoniati3, M. Kulcsár1 1Hungary, 2France, 3Cyprus

211	Endocrine Status of Holstein Dairy Cows With Different Milk Production During Late Pregnancy and Early Lactation D. Gvozdic1, H. Samanc1, B. Kovacevic1, D. Kirovski1, N. Fratric1, I. Vujanac2, B. Dimitrijevic1 1Serbia, 2Bosnia and Herzegovina

212	Influence of Peripartal Disturbances on the Humoral Immunity in Dairy Cows M. Herr, H. Bostedt Germany

213	In Vitro Studies for an Objective Comparison of Different Obstetric Measures in Holstein Friesian Cattle M. Becker, G. Tsousis, C. Heun, F. Goblet, M. Lüpke, H. Seifert, H. Bollwein Germany

214	Cystic Ovarian Diseases in Dairy Cows: Epidural GnRH and Calcium/Naloxone Administration M. Cinone, G. Minoia, D. Robbe, A. Guaricci, D. Coronati, M. Mutinati, A. Rizzo Italy