Lab info

Question 1

What is the importance of having your herd tested by DHIA

Answer 1

DHIA helps dairy producers create and manage records and collect data about their cows for use in making management decisions

Question 2

A recordkeeping system that creates its information from the data collected via DHIA milk tests etc.

Answer 2

PCDART

Question 3

The average production or other variables for the last 365 days

Answer 3

Rolling Herd Average (RHA)

Question 4

What is an advantage and disadvantage of using precision technologies in a dairy herd?

Answer 4

Advantage: allows detection of problems early on so solutions can be made quicker
Disadvantage: technology isn’t always accurate and is not a replacement for physically checking in on cows; collars can be put on incorrectly or potentially removed/damaged

Question 5

What are 3 categories of data that GEA CowScout collar system measures?

Answer 5

• time spent eating
• time spent ruminating
• lying down time

Question 6

What primary nutrient is provided by corn silage?

Answer 6

energy

Question 7

What primary nutrient is provided by ground corn?

Answer 7

starch

Question 8

What primary nutrient is provided by soybean meal?

Answer 8

crude protein

Question 9

What primary nutrient is provided by cottonseed hulls?

Answer 9

fiber

Question 10

What determines a producer’s likeliness to use a specific product over another product?

Answer 10

• price
  -availability
• cool-season vs warm-season crops (region-specific)
• equipment available
• how producer is able to store feedstuffs

Question 11

Rank from needing the most DM to the least:
- cow 60 days in 1st lactation
- cow 180 days in 3rd lactation
- cow 280 days in 4th lactation

Answer 11

1.) cow 180 days in 3rd lactation (most DMI)
2.) cow 280 days in 4th lactation
3) cow 60 days in 1st lactation (least DMI)