Miron, J., Institute of Animal Science, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 20250, Israel
Solomon, R., Ministry of Agriculture, Extension Service, Hakirya, Tel Aviv, Israel
Bruckental, I., Institute of Animal Science, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 20250, Israel
Ben-Ghedalia, D., Institute of Animal Science, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 20250, Israel
Miron, J., Institute of Animal Science, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 20250, Israel
Solomon, R., Ministry of Agriculture, Extension Service, Hakirya, Tel Aviv, Israel
Bruckental, I., Institute of Animal Science, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 20250, Israel
Ben-Ghedalia, D., Institute of Animal Science, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 20250, Israel