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Mare Reproductive Loss Syndrome

Sampling Recommendation for Horse Feed and Grain

It is important to obtain a representative sample that is not contaminated with any other material.  Sample the original container or bag.  Use a clean disposable glove for each feed sample.  These samples are for a nutrient analysis investigative survey unrelated to toxin testing.

We recommend:

1.   Determine the feeds that are available for sampling on the farm.  The farm may have feed that was manufactured on different dates.  This can be determined by checking for the production code normally stenciled or stamped on the bag or feed label.  We suggest that different production codes or delivery dates be sampled as separate feeds.

2.   All forms of feed (cubes, pellets or textured) should be hand sampled. Take 5 to 10 hand grab samples from an unopened bag or bulk feed bin.  This is approximately a 1 to 2 pound sample.  Place in a one-gallon size zip lock bag.

3.   Identify the sample using a permanent marker with the following information on the zip lock bag:

a.  Farm name
b.  Date sampled
c.  Name of feed and manufacturer
d.  Production code or date of delivery, if no code
e.  Name of veterinarian or person taking the sample
f.   Place a feed label and any other pertinent information inside the sample bag
 4.   Preserve the sample by freezing immediately.

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