Isolation, Identification of the Water-borne Protozoan Parasites
353
Chaim) both parasites were isolated at 0 and 30 em depths in relatively large
numbers.
Table 4. Enumeration of Giardia cysts and Cryptosporidium oocysts concentrated from
surface water in the northern part ofIsrael (by high volume cartridge filtration method)
Sampling Site
Date
Volume
Giardia
Cryptosporidium
sampled
filtered (L) (e:ysts 100 L-l} a (ooeysts 100 L-l)b
Dan stream
May-95
1000
38
190
Jordan River
May-95
700
10.7
139.3
Banias stream
June-95
500
13.3
80
Dan stream
June-95
800
7.4
68
Pars hal
June-95
500
23.2
0
Jordan River
July-95
600
0
35.3
Hazbani stream
July-95
800
0
4
Parshal
July-95
200
78.3
0
Dan stream
July-95
1100
0
56.2
Jordan River
July-95
700
0
24.8
Jordan River
July-95
600
22
211
Banias
July-95
550
5
35.4
Pars hal
July-95
350
0
0
Jordan River
Nov-95
500
0
185
Jordan River
Jan-96
400
0
95
Gonen spring
Oet-95
800
ND e
0.54
Ein-Zahav s~ring
Oet-95
800
ND e
0.54
ND - not done
a Giardia cysts recovery (approx. 26%©
b Cryptosporidium oocysts recovery (approx. 1.8%)
c High turbidity (due to algal bloom)
Table 5. Cryptosporidium ooeysts and Giardia cysts enumeration in soil samples
(November, 19992
Soil sample
Soil moisture
Giardia
Cryptosporidium
~em deEth}
% b:y weight
~e~sts g-l}
~ooe~sts g-l}
Arad: wheat preparations
for sowing
Sprinkler effluent (0 em )
23.5
0
0
Sprinkler effluent (30 em)
25.1
0
40
Chafetz-Chaim: wheat
preparations for sowing
Sprinkler effluent (0 em )
28.6
120
160
S~rinkler effluent (30 em}
23.7
80
180