Natural Resources

Yan (S.) Landau, Ph.D.
Tel.: 972 3 9683683 / 8 992-8657
Fax: 972 3 9669642
Mobile: 056 220 492
vclandau@agri.gov.il

Natural Resources Unit
Gilat Research Center
Mobile Post Negev 85280
Israel

Areas of Expertise

• Range management in Mediterranean eco-systems
• Agro-sylvo-pastoral systems, involving small ruminants, cattle and ostriches
• Integration of grazing animals in small grain production systems in semi-arid conditions
• Cattle, small ruminant and ostrich nutrition
• Grazing behaviour
• Near infra-red reflectancespectroscopy (NIRS) applications in agriculture

Current Projects	Funding
Is stubble grazing compatible with no-till management of wheat crop?	Chief Scientist of the Ministry of Agriculture, Israeli Board of Range Management, Israeli Board of Small Ruminant Production
Evaluation of grazing management in the KKL forests of Southern Israel	Keren Kayemeth LeIsrael
Natural and artificial pastures for fattening ostriches in the Negev	Chief Scientist of the Ministry of Agriculture, Israeli Board of Range Management
Creating aversion to Ferula communis as means to prevent poisoning in sheep	Israeli Board of Range Management, KKL, Israeli Board of Small Ruminant Production

Staff

Dani Barkai (senior technician)
Iris Sheinbaum (M. Sc. student)

Recent Publications

A. Articles in reviewed journals

Landau, S., Egber, A., A., Shlosberg, A., Belaich, M. and Perevolotsky, A. (2000). Creating aversion to toxic plants in ewe-lambs: the example of Ferula communis. Options Med., 52: 165-170.

Branca, A., Molle, G., Sitzia, M., Decandia, M. and Landau, S. (2000). Short-term dietary effects on reproductive wastage after induced ovulation and artificial insemination in primiparous lactating Sarda ewes. Anim. Reprod. Sci., 58: 59-71.

Landau, S., Perevolotsky, A., Bonfil, D., Barkai, D. and Silanikove, N. (2000). Utilization of low quality resources by small ruminants in Mediterranean agro-pastoral systems: the case of scrubland and aftermath cereal stubble. Livest. Prod. Sci., 64: 39-49.

Landau, S., Silanikove, N., Nitsan, Z., Barkai, D., Baram, H., Provenza, F.D. and Perevolotsky, A. (2000). Short-term changes in eating patterns explain the effects of condensed tannins in heifers. Applied Anim. Behav. Sci., 69: 199-213.

Gilboa, N., Perevolotsky, A., Landau, S., Nitsan, Z., Silanikove, N (2000). Increasing productivity in goats grazing Mediterranean woodland and scrubland by supplementation of polyethylene-glycol. Small Rumin. Res., 38: 183-190.

Landau, S., Braw-Tal, R., Kaim, M., Bor, A., Bruckental, I. (2000). Preovulatory follicular status and diet affect the insulin and glucose content of follicles in high-yielding dairy cows. Anim. Reprod. Sci., 64: 181-197.

Nitzan, R., Barkai, D., Nitsan, Z., Landau, S., (2002). Intake, growth and carcass characteristics of young ostriches fed concentrates with and without pasture. Anim. Sci., 74:71-79.

Barkai, D., Landau, S., Brosh, A., Baram, H., Molle, G. (2002). Estimation of energy intake from heart rate and energy expenditure in sheep under confinement or grazing condition. Livest. Prod. Sci., 73: 237-246.

Landau, S., Friedman, S., Devash, L., Mabjeesh, S.J. (2002). Polyethylene Glycol, determined by Near-Infrared Reflectance Spectroscopy, as a marker of fecal output in goats. J. Agr. Food Chem, 50: 1374-1378

Guenoune, D., Landau, S., Amir, R., Badani, H., Devash, L., Wolf, S., Galili, S. (2002). Resistance of soybean vegetative storage proteins (S-VSPs) to proteolysis by rumen micro-organisms. J. Agr. Food Chem, 50: 2256-2260

Landau, S.Y., Perevolotsky, A., Kababya, D., Silanikove, N., Nitzan, R., Baram, H., Provenza, F.D. (2002). Polyethylene-glycol increases the intake of tannin-rich Mediterranean browse by ranging goats. J. Range Manage., 55: 598-603

Weinberg, Z., Ashbell, G., Hen, Y., Leshem, Y., Landau, S., Bruckental (2002). A note on ensiling safflower forage. Grass and Forage Sci. (accepted for publication)

Dvash, L., Afik, O., Shafir, S., Schaffer, A.Yeselson, Y., Dag, A., Landau, S. (2002) Determination by Near-Infrared Spectroscopy of Perseitol used as a marker for the botanical origin of Avocado (Persea Americana Mill.) honey.J. Agric. Food Chem., 19:5283-5287

Landau, S., Xue, B., Dvash, L., Friedman, S., Mabjeesh, S.J. (2002). Polyethylene glycol, used to alleviate the negative effects of dietary tannins, can also serve as a marker of fecal output in goats. Small Rumin. Res. (accepted for publication)

B. Books, book chapters, and invited reviews

Molle, G., Landau, S. (2002). Sheep husbandry (b) Feeding management --intensive conditions. In: Encyclopedia of Dairy Sciences (Hubert Roginski, John W. Fuquay, Patrick F. Fox Eds. Academic Press Pub. (in press).