Unit 8: Proper Techniques For Sampling Feed (Cram)

The most important principle to remember when sampling anything is that you want your sample to be as _____ as possible

representative

How many areas of a pasture should you sample from, how many samples should you take from each area?

5 areas, 5 samples from each area

What size of square should you select from each of the 5 areas of pasture?

1m x 1m

What are some areas of a pasture would not be representative?

Hill tops, dips, near a water source, near trees/ shade

What do you do to the forage you collected from the pasture before sending it to the lab?

Mix well, collect sub–sample, freeze sub sample, send to lab

What is the tool used to sample a hay bale?

Hay probe

What is the range of bales from the same batch of hay you should sample to get a representative sample?

10-20 bales

Round bales should always be sampled from the surface instead of the _____ surface

flat

Square bales should be sampled by inserting the probe in the end and passing it through the _____ of the bale

length

How do you store hay bale samples before immediately sending them to the lab?

Airtight bag

True or false: Like when sampling pasture, sampling silage involves selecting 5 areas from the open face of the silage pit

True

Should you freeze a silage sample, or put it in an airtight bag?

Freeze (preserves the moisture, pH, etc.)

When sampling from a bin or feed bag, samples are pooled, sub–sampled, and the sub–sample is stored in an _____

airtight container

What is the range of samples that should be taken from a bin as it is being filled or emptied?

10–15 samples

What area of a feed bag should you sample from?

Middle