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Lietritz and Lewis Feed Chart

% Body Weight

Number of Fish per
Pound
2542+ 2542- 304- 88.3- 37.8- 19.7- 11.6- 7.35- 4.94- 3.47- under
304 88.3 37.8 19.7 11.6 7.35 4.94 3.47 2.53 2.53
 
Temp Approximate Size in
Inches
(OF) <1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9-10 >10

36 2.7 2.2 1.7 1.3 1.0 0.8 0.7 0.6 0.5 0.5 0.4
37 2.7 2.3 1.8 1.4 1.1 0.9 0.7 0.6 0.5 0.5 0.4
38 2.9 2.4 2.0 1.5 1.2 0.9 0.8 0.7 0.6 0.5 0.5
39 3.0 2.5 2.2 1.7 1.3 0.9 0.8 0.7 0.6 0.6 0.5
40 3.2 2.6 2.2 1.7 1.3 1.0 0.9 0.8 0.7 0.6 0.5
41 3.3 2.8 2.2 1.8 1.4 1.1 0.9 0.8 0.7 0.6 0.5
42 3.5 2.8 2.4 1.8 1.4 1.2 0.9 0.8 0.7 0.6 0.5
43 3.6 3.0 2.5 1.9 1.4 1.2 1.0 0.9 0.8 0.7 0.6
44 3.8 3.1 2.5 2.0 1.5 1.3 1.0 0.9 0.8 0.8 0.6
45 4.0 3.3 2.7 2.1 1.6 1.3 1.1 1.0 0.9 0.8 0.7
46 4.1 3.4 2.8 2.2 1.7 1.4 1.2 1.0 0.9 0.8 0.7
47 4.3 3.6 3.0 2.3 1.7 1.4 1.2 1.0 0.9 0.8 0.7
48 4.5 3.8 3.0 2.4 1.8 1.5 1.3 1.1 1.0 0.9 0.8
49 4.7 3.9 3.2 2.5 1.9 1.5 1.3 1.1 1.0 0.9 0.8
50 5.2 4.3 3.4 2.7 2.0 1.7 1.4 1.2 1.1 1.0 0.9
51 5.4 4.5 3.5 2.8 2.1 1.7 1.5 1.3 1.1 1.0 0.9
52 5.4 4.5 3.6 2.8 2.1 1.7 1.5 1.3 1.1 1.0 0.9
53 5.6 4.7 3.8 2.9 2.2 1.8 1.5 1.3 1.1 1.1 1.0
54 5.8 4.9 3.9 3.0 2.3 1.9 1.6 1.4 1.3 1.1 1.0
55 6.1 5.1 4.2 3.2 2.4 2.0 1.6 1.4 1.3 1.1 1.0
56 6.3 5.3 4.3 3.3 2.5 2.0 1.7 1.5 1.3 1.2 1.0
57 6.7 5.5 4.5 3.5 2.6 2.1 1.8 1.5 1.4 1.2 1.1
58 7.0 5.8 4.8 3.6 2.7 2.2 1.9 1.6 1.4 1.3 1.2
59 7.3 6.0 5.0 3.7 2.8 2.3 1.9 1.7 1.5 1.3 1.2
60 7.5 6.3 5.1 3.9 3.0 2.4 2.0 1.7 1.5 1.4 1.3
61 7.8 6.5 5.3 4.1 3.1 2.5 2.0 1.8 1.6 1.4 1.3
62 8.1 6.7 5.5 4.3 3.2 2.6 2.1 1.8 1.6 1.5 1.4
63 8.4 7.0 5.7 4.5 3.4 2.7 2.1 1.9 1.7 1.5 1.4
64 8.7 7.2 5.9 4.7 3.5 2.8 2.2 1.9 1.7 1.6 1.5
65 9.0 7.5 6.1 4.9 3.6 2.9 2.2 2.0 1.8 1.6 1.5
66 9.3 7.8 6.3 5.1 3.8 3.0 2.3 2.0 1.8 1.6 1.6
67 9.6 9.1 6.6 5.3 3.9 3.1 2.4 2.1 1.9 1.7 1.6
68 9.9 9.4 6.9 5.5 4.0 3.2 2.5 2.1 2.0 1.8 1.7

Source: Trout and Salmon Culture, 1980. E. Leitritz and R.C.
Lewis, Division of Agricultural Sciences. University of California.


Recommended Feed
Sizes
Feed Sample Fish Length
Size (#/lb) (inches)

Starter 2000+ 1.0
#1 2000 – 800 <1.0 – 1.5
#2 800 – 250 <1.5 – 2.2
#3 250 – 100 <2.2 – 2.9
#4 100 – 65 <2.9 – 3.8
3/32 inch 65 – 30 <3.8 – 4.4
1/8 inch 30 – 10 <4.4 – 6.3
3/16 inch 10 – 2 <6.3 – 10.8
1/4 inch <20 >10.8

Example:

* 2000 pounds of 4.5 inch trout
* water temperature = 57°F

2000 x 2.6% body weight = 52 lbs feed/day of 1/8 inch pellet

Written By

Photo of John Dorner, IVJohn Dorner, IVArea Agent, Information Management (828) 290-9876 john_dorner@ncsu.eduMadison County, North Carolina
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