Specifications 26IFB19839.pdf

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Attached to
Trout and Salmon Food Annual
Solicitation number
26IFB19839
Issued by
South Dakota

About this file

This specifications document outlines the nutritional and physical requirements for trout feed in a state or local procurement (26IFB19839). The document establishes detailed feed composition standards across three size categories: Starter (1.5 to 2.0 mm), #1 (3.0 to 6.5 mm), and #2 pellets. The specifications mandate minimum protein levels ranging from 45 to 55 percent depending on feed size, with lipid content between 15 and 20 percent minimum. Additional nutritional requirements include maximum ash levels of 8 to 12 percent, fiber content not exceeding 1.3 to 1.5 percent, and moisture levels capped at 12 percent across all sizes. The feed must contain specified levels of phosphorous (maximum 1.3 to 1.1 percent), probiotic and immunostimulant additives, and astaxanthin at 40 mg/l concentration.

The document specifies performance and physical characteristics for the feed products, requiring slow-sinking pellets with defined flotation rates of 80 percent floating at 3.0 mm and 95 percent floating at 5.0 mm and larger sizes within 30 seconds of water contact. These technical specifications establish the baseline requirements for qualified bidders to submit compliant feed products for state or local trout aquaculture operations, ensuring consistent nutritional delivery and performance standards for farmed trout populations.

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SDVendorManual_20240822.pdf PDF

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Text version

Trout food specifications:

Size

Starter, #1, #2 1.5 to 2.0 mm 3.0 to 6.5 mm

% Protein (minimum) 55 50 45

% Lipid (minimum) 15 15 20

% Ash (maximum) 12 12 8

% Fiber (maximum) 1.5 1.5 1.3

% Moisture (maximum) 12 12 12

% Phosphorous (maximum) 1.3 1.3 1.1

% float1 (minimum) Slow-sinking 80% - 3.0, 95% - 5.0 and larger

Probiotic/immunostimulants yes

Astaxanthin 40 mg/l

1% float = percentage of pellets floating after 30 seconds

Feed Sizes:

Starter = <= 0.6 mm #1 = 0.6 - 0.85 mm #2 = 0.85 - 1.2 mm Pellet Size must be within +/- 0.5mm of the listed pellet size.

Salmon food specifications

Size

Mash #0 #1 #2 1.2 mm 1.5 mm 2.0 mm 2.5 mm 3.0 mm 4.0 mm

% Protein (minimum) 53 53 52 52 50 50 50 50 50 45

% Lipid (minimum) 18 18 20 20 22 22 22 22 22 24

% Ash (maximum) 12 12 12 12 13 13 13 13 13 12

% Fiber (maximum) 1 1 1 1 1 1 1 1 1 2

% Moisture (maximum) 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5

Digestible Energy (MJ/Kg) 18.9 18.9 19.3 19.3 19.6 19.6 19.6 19.6 19.6 19.8

Beta-glucans yes yes yes yes

Feed Sizes:

Mash = 0.25-0.4 mm #0 = 0.3 - 0.6 mm #1 = 0.4 - 1.0 mm #2 = 0.8 - 1.4 mm Pellet Size must be within +/- 0.5mm of the listed pellet size.

File details come from the government source that posted it. Updated .