159 (45’)

Strong Ion Difference Theory: a Revolutionary Approach to the Diagnosis and Treatment of Acid-Base Abnormalities in Cattle P. Constable United States

160	Necessity of the New Biotechnological Methots for Avoiding Subacute Ruminal Acidosis S. Latos Hungary

162	Effect of Fresh Alfalfa Feeding on Blood Ammonia in Dairy Cows T. Gaál, P. Ribiczey, R. Karcagi, F. Húsvéth Hungary

163	A New Bale-forming Technology: Higher Density and Fermentation Quality in Alfalfa Silage for Ruminants Sz. Orosz, Z. Bellus, S. Kapás Hungary

164	Periparturient Risk Assessments for Placenta Retention in Dairy Cows L. Könyves, O. Szenci, V. Jurkovich, L. Tegzes, A. Tirián, N. Solymosi, Gy. Gyulay, E. Brydl Hungary

165	The Effect of Micro-capsulated Yeast Supplementation on Rumen Fermentation in Sheep Fed with High-energy Diet V. Jurkovich, J. Kutasi, H. Fébel, L. Könyves, A. Tirián, E. Brydl Hungary