报告题目一：Dietary Selection of Free-Ranging Sheep and Goats Raised by Bedouin in the Negev Desert
报告题目二：Allometry：inter/intea- specific comparisons, empirical views, base models, flaws and conventional modern appeoach
Professor Emeritus, Wyler Department of Dryland Agriculture, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev（以色列班古里昂大学）.
Livestock production under desert conditions.
Energy and water balances in captive and in free-living desert birds and mammals. Use of isotopes and time energy budgets in field studies.
Reproduction in captive and free-living desert mammals and birds.
Secondary compounds as anti-nutritive agents against grazing herbivores.
Biotic and abiotic effects on behavioral and physiological responses of animals.
Host – parasite relationships and reciprocal physiological and immunological effects.
Prof. of Wyler Department of Dryland Agriculture, Blaustein Institutes for Desert Research,Ben- Gurion University of the Negev（以色列班古里昂大学）.
Physiological and behavioral adaptations of birds and mammals to extreme environments.
Energy and water budgets in captive and free-living animals.
Energy allocation during reproduction in captive and free-living animals.
Consequences of energy requirements in free-ranging animals.
Effects of parasites on energy expenditure and reproduction of their hosts.
Diet selection, fiber digestion and utilization of secondary compounds in mammals – basic and applied perspectives.
Efficiency of utilization of metabolizable energy for maintenance, growth and production.