Name:___________________
Date:____________________
Block:___________________
Worksheet
Topic # 3014
Manure Generation Rates and Manure Management
Created by: Tracey Hoffman
Source: http://www.porkenvironment.org
Guess the amount of manure produced by each type of swine. I do not expect you to
know the answers. The answers for each column are found below that column. Once
every group as completed their tables we will gather everyone’s data and I will put the
answers on the overhead. We will see which groups were the closest to the actual
answers.
Animal
Nursery
Grow-Finish
Gestating
Lactating
Boar
Size
(lbs)
Total manure
(lbs)
(Gallons)
Swine
Water
(%)
25
150
275
375
350
2.7
7.2
7.5
9.5
22.5
Answer the following questions with 3-5 sentences.
1. How is manure applied on the land?
0.3
0.9
0.9
1.2
2.7
89
89
90
91
91
2. What are the difference between commercial and manure fertilizer?
3. Is manure a major cause of groundwater or surface water pollution?
4. Are population equivalents, like 2.5 million head per swine operation having
potential waste or greater than the city of Los Angeles, accurate?