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102
FRIDAY SFPTEMBER 9. 1988
High Tech
Continued from preceding page
becoming an increasingly
common sight throughout
Israel's Negev and Arava
desert.
In one of the more surpris-
ing spinoffs of aquaculture,
the well-known St. Peter's
fish is being bred successful-
ly in the scorching Arava
desert. Since ancient times
the fish have provided a
livelihood for many a Galilee
fisherman, and are still one of
the favorite dishes at
restaurants that line the Sea
of Galilee. The fact that St.
Peter's (or tilapia as they are
known scientifically) are
freshwater fish, did not deter
Israeli researchers from try-
ing to breed them in salt-
water ponds. Zoologits at Tel
Aviv University merely found
a hybrid of the Galilee strain
that is resistant to high
temperatures and salinity.
They also developed a new
method of keeping the
brackish pond water clean. As
a result they have been able
to increase the average
numer of fish that can be rais-
ed in a square yard of pond
space from two or three to a
whopping 30. The annual
yield — over 200,000 pounds
of fish per hectare — is 15
times higher than that of a
normal commercial fish pond.
In order to reap equally
outstanding results with
other fish, Israeli scientists
have embarked on a variety of
research projects, among
them: the perfection of a vac-
cine which would reduce the
high mortality rate among
baby shrimp and the develop-
ment of a homrmone treat-
ment which would alter the
spawning season of sea bream
from wintertime to all year
round.
One of the most popular
and diverse products of Israeli
aquaculture is not fish at all,
but rather sea algae. Algae
grows naturally in salty
water, and serves as feed for
fish. But the Israelis have
found a seemingly infinite
variety of other uses for algae.
One type has been isolated for
its betakerotene, believed to
be a cancer-preventing sub-
stance. Developed at the Weiz-
mann Institute of Science, it
has become a highly popular
health food in the United
States and elsewhere. Micro-
algae also yields rare fatty
acids that are in high demand
in the pharmaceutical
industry.
Not surprisingly, Israel's
knowhow in aquaculture is
already in demand in other
countries. In Thailand, for in-
stance, the increasing saliva-
tion of water sources has
jeopardized traditional rice
agriculture. The Thai govern-
ment recently turned to
Israeli scientists to learn how
to cultivate algae in saline
water. Scientists from Ben-
Gurion University of the
Negev have taught farmers in
the Philippines how to grow
algae to produce biofertilizer
and instructed farmers in
Guatemala on how to use the
substance to purify water in
industry.
Algae is in fact seen as an
ideal crop for the Third World.
It provides a protein-rich
replenishable source of food,
that does not require
sophisticated cultivation or
harvesting techniques. And it
can be grown in arid zones
that have only salty water.
A joint Dutch-Israel irriga-
tion project is soon to be set
up in northern Cameroon,
based on applied research in
rain harvesting done at an
ancient site in Israel's Negev
desert. Dutch and Israeli
researchers will use ancient
techniques of run-off
agriculture used by the Naba-
teans from the first century
BCE.
This desire on the part of
Third World countries to ac-
quire Israeli aid in
agriculture is proof of Israel's
first successful high-tech ap-
proach to farming.
World Zionist Press Service
FOLLOW-UP
Report Says Farrakhan
Remains Anti-Semitic
New York — Despite at-
tempts by Louis Farrakhan to
rationalize his hostility
toward Jews, a continuing
pattern of overt and intense
anti-Semitism exists in his re-
cent speeches and publica-
tions, according to a new
Anti-Defamation League
report on the Nation of Islam
leader's public statements
this past year.
Titled "Louis Farrakhan:
Continuing the Message of
Hate," the report was made
public by Abraham H. Fox-
man, ADL national director.
Foxman noted "the per-
sistence of Farrakhan's anti-
Semitism despite efforts to
soften his public image" and
gave as an example a speech
Farrakhan made last March
at the University of the
District of Columbia. In that
speech, Foxman said, "Far-