Table 15-4. Amino Acid Profiles of Silversides, 
Expressed as Gram Amino Acid Per 100 Gram Protein 
Amino Acid 
Cultured Silversides 
Brine 
Wild e 99s Shrimp 
Silversides Unfert. 5-day 10-day 25-day 58-day Diet 
Aspartic Acid 
9.3 8.7 10.2 
9.9 9.9 
10.2 8.9 
Threonine 
4.3 6.4 4.6 
5.1 4.7 
4.4 3.1 
Serine 
4.3 8.2 4.9 
4.9 5.2 
4.6 4.4 
Glutamic Acid 
14.1 13.7 15.2 14.4 15.2 
13.8 11.6 
Proline 
3.9 7.5 4.2 
4.3 4.5 
4.8 3.1 
Glycine 
6.0 3.7 5.8 
6.0 6.4 
6.6 4.3 
Alanine 
6.0 7.7 4.7 
4.5 4.9 
6.2 6.0 
Valine 
5.3 6.8 5.5 
5.6 5.8 
5.6 5.1 
Methionine 
3.6 2.1 
1 2.5 
2.8 2.2 
3.3 2.3 
Isoleucine 
4.6 5.9 4.8 
5.1 4.4 
4.0 4.9 
Leucine 
7.7 10.6 7.7 
7.8 7.2 
7.5 8.9 
Tyrosine 
3.5 5.1 
1 3.9 
4.0 3.9 
3.2 4.2 
Phenylalanine 
4.2 4.7 4.7 
4.6 4.6 
4.3 4.5 
Histidine 
3.6 2.9 2.9 
2.9 2.7 
5.1 1.2 
Lysine 
8.9 8.3 8.3 
8.7 8.3 
8.9 9.2 
Arginine 
6.3 7.1 
1 7.3 
7.1 7.3 
6.5 10.5 
% Protein 1 
15 NA‘ 
2 13 
12 NA 
14 NA 
% Moisture 
NA 84 
79 1 
B1 81 
79 NA 
1 wet weight basis 
2 
NA = not available 
Tryptophan was not determined by the procedure used in this study. 
Table 15-5. Fatty Acid Composition of Unfertilized Eggs 
and two 15-Day-Old Silversides Fed 3-Day Old Brine Shrimp Nauplii 
Wild 
2-Day-Old 
15-Day-Old 
Unfertilized 
Silversides 
Sac fry (6.0 mm) 
Silversides 
Fatty Acids 
Eggs 
(20.5 mm) 
Silversides 
(11.0 mm) 
14:0 
2.50 1 
1.34 
1.14 
0.69 
14:1 
0.27 
0.14 
0.06 
0.30 
15:0 
0.77 
0.55 
0.36 
0.33 
15:1 
0.15 
0.14 
0.02 
0.19 
16:0 
18.67 
22.55 
22.67 
16.29 
16:1 
7.40 
5.83 
4.48 
10.06 
17:1 
1.28 
0.14 
0.13 
1.49 
18:0 
5.99 
9.44 
9.74 
7.34 
18:1cu9 
14.19 
10.40 
12.83 
25.33 
18:2co6 
1.58 
1.23 
0.68 
2.24 
18:3to6 
0.55 
0.38 
0.32 
0.52 
1 8:3cj3 
1.47 
0.88 
0.44 
2.49 
1 8:4cj3 
0.88 
0.75 
0.47 
0.34 
20:1cj9 
1.36 
0.71 
0.20 
0.49 
20:4cj6- 
2.71 
3.75 
2.52 
5.13 
20:5oo3 
8.09 
7.37 
4.90 
7.84 
22:5cu3 
3.72 
1.34 
2.33 
3.26 
22:6cj3 
27.15 
35.53 
36.05 
14.96 
% oil 2 
13.9 
8.5 
NA 
NA 
cu3/tu6 Ratio 
8.5 
8.0 
12.6 
3.7 
weight percent 
2 
based on dry weight 
221 
