Transcript No Slide Title

Manure & Wastewater
Production
Prepared by J.E. Andrews, PE, NRCS - Lakewood, CO
Section 4 - Manure Production
Colorado CNMP Workshop
OBJECTIVES
To estimate the yearly production of:
» Manure & Other Solid Wastes
» Process Wastewater
» Nitrogen & Phosphorus
Section 4 - Manure Production
Colorado CNMP Workshop
Information Needed
• Livestock Information





Type
Number
Average Weight
Confinement Period
Wastewater, bedding & other waste volumes
• Worksheet #1 a&b
• Tables 2, 3 & 4
Section 4 - Manure Production
Colorado CNMP Workshop
Worksheet 1a. Solid Manure & Nutrient Inventory
Facility Name:
Prepared by:
(a)
Type
of
Livestock
date:
(b)
Checked by:
(c)
(d)
(e)
(f)
Average
Animal
Period
Unit Waste
Confined
Production
Number
Weight
Units
(#)
(pounds)
(# AUs)
Other Solid Wastes, (bedding, waste feed, etc.)
Total # Animal Units:
Section 4 - Manure Production
(g)
date:
(h)
Manure Production
(j)
(j)
Manure Analysis
Daily
Annually
Total N
(days/year) (lb/AU-day)
(lb./day)
tons/year
(lb/ton)
P2O5
(lb/ton)
days/year
lb/day
tons/year
lb/ton
lb/ton
Manure Produced, tons/year:
(k)
(l)
Nutrients Produced
Total N
P2O5
(lb/year)
(lb/year)
lb/year
lb/year
Total N
P2O5
Nutrients, lb/year:
Colorado CNMP Workshop
Worksheet 1b. Liquid Manure, Process Wastewater & Nutrient Inventory
Facility Name:
Prepared by:
(a)
Type
of
Livestock
date:
(b)
(c)
(d)
Average Animal
Number Weight
(#)
Units
Checked by:
(e)
(f)
Period
Unit Waste
Confined
Production
(pounds) (# AUs) (days/year) (gal/AU-day)
Source(s) of Other Process Wastewater
Total # Animal Units:
Section 4 - Manure Production
days/year
(g)
date:
(h)
(k)
(l)
Nutrients Produced
Annually
Total N
P2O5
Total N
P2O5
(1000 gal/year) (lb/1000gal) (lb/1000gal) (lb/year) (lb/year)
Waste Production
Daily
(gal/day)
gallons / day
Waste Volume, 1,000 Gal./year:
(j)
(j)
Waste Analysis
1,000 gal/year lb/1000 gal
lb/1000 gal
lb/year
lb/year
Total N
P2O5
Nutrients, lb/year:
Colorado CNMP Workshop
TABLE 2. Solid manure production by livestock
calculated on a wet weight basis at the time of land application.
Manure
Moisture
Animal Type
Production
Content
lbs./day/1,000lbs.
of animals
% at time of
spreading
18.5
17.6
16.9
46
46
46
10.1
8.7
11.2
10.7
32
32
32
32
Dairy
Lactating Cow
Dry Cow
Heifer
Beef
Feeder, yearling (750 - 1,100lb)
High Forage Diet
High Energy Diet
Feeder, (450 - 750 lb)
Cow
source: Bulletin 568A, BMPs for Manure Utilization
Colorado State University Cooperative Extension
Fort Collins, CO, September, 1999
Section 4 - Manure Production
Colorado CNMP Workshop
TABLE 3b . Liquid swine manure production, not including
other process wastewater or rainfall/runoff .
Manure
Moisture
Swine Type
Production
Content
Nursing/nursery pig, < 40lbs
Grower (40 - 220 lbs)
Replacement gilt
Sow (gestating)
Sow (lactating)
Boar
gal./day/1,000lbs.
of animals
% at time of
spreading
12.8
7.5
4
3.3
7.2
2.5
90
90
90
91
90
91
Table 2a.c Other Solid Waste Conversion Factors
Multiply material volume in cubic feet/day
by this factor to get pounds per day
Material Type
Legume Hay
Grass Hay
Straw
Wood Shavings
Sawdust
Soil
Sand
Ground Limestone
Section 4 - Manure Production
Loose
Chopped
------------------ lb / cubic feet ---------------4.3
6.5
4.0
6.0
2.5
7.0
9.0
12.0
75.0
105.0
95.0
Colorado CNMP Workshop
TABLE 4. Approximate nutrient composition of various types of animal manure
at the time of land application.*
Type of Manure
Solid Handling Systems
Moisture
Content
Total N
NH4-N**
P2O5
K2O
Swine
%
82
Beef
32
23
7
24
41
Dairy Cattle
46
13
5
16
34
Sheep
31
29
5
26
38
Chickens without litter
55
33
26
48
34
with litter
without litter
25
56
36
45
34
78
27
17
20
17
with litter
71
20
13
16
13
without bedding
22
19
4
14
36
Turkeys
Horses
-------------------------- lb./ton ---------------------------10
6
9
8
source: Bulletin 568A, BMPs for Manure Utilization
Colorado State University Cooperative Extension
Fort Collins, CO, September, 1999
Section 4 - Manure Production
Colorado CNMP Workshop
Example Calculation
Frank’s Feedlot
•
•
•
•
•
2,500 Head Beef
Entry weight ~ 500 LB.
Exit weight ~ 1,200 LB.
On site 365 days per year
Grain Diet
Section 4 - Manure Production
Colorado CNMP Workshop
Step 1 - Calculate Average weight
Entry Wt.  Exit Wt.
 Ave. Weight
2
500 lb.  1,200 lb.
 850 lb. *
2
* Enter in column (c) of Worksheet 1
Section 4 - Manure Production
Colorado CNMP Workshop
Step 2 - Calculate # Animal Units
No. Animals  Ave. Weight
 Animal Units
1,000 lb. / AU
2,500 Head x 850 lb.
 2,125 AUs *
1,000 lb. / AU
* Enter in column (d) of Worksheet 1.
Section 4 - Manure Production
Colorado CNMP Workshop
Step 3 - Get Manure Production Rate
TABLE 2. Solid manure production by livestock
calculated on a wet weight basis at the time of land application.
Manure
Moisture
Animal Type
Production
Content
lbs./day/1,000lbs.
of animals
% at time of
spreading
18.5
17.6
16.9
46
46
46
10.1
32
8.7
32
11.2
10.7
32
32
Dairy
Lactating Cow
Dry Cow
Heifer
Beef
Feeder, yearling (750 - 1,100lb)
High Forage Diet
High Energy Diet
Feeder, (450 - 750 lb)
Cow
* Enter 8.7 LB. / day -AU in column (e) of Worksheet 1.
Section 4 - Manure Production
Colorado CNMP Workshop
Step 4 - Calculate Daily Manure Production
# AUs x Production Rate = LB.s Manure / Day
2,125 AUs x 8.7 Lb.
day - AU
 18,488 Lb.
day
*
* Enter in column (g) of Worksheet 1.
Section 4 - Manure Production
Colorado CNMP Workshop
Step 5 - Calculate Annual Manure Production
lb. Manure/Day x # Days Confined
 Manure tons / year
2,000 lb./ton
18,488 lb./day x 365 days
 3,374 tons / year *
2,000 lb./ton
* Enter in column (h) of Worksheet 1.
Section 4 - Manure Production
Colorado CNMP Workshop
Worksheet 1. Solid Manure & Nutrient Inventory Worksheet
Facility Name:
Frank's Feedlot
Prepared by: JEA
(a)
Type
of
Livestock
Feeders, high energy
date:
(b)
Nov-00
Checked by:
(c)
(d)
(e)
(f)
Average
Animal
Period
Unit Waste
Number
Weight
Units
Confined
Production
(#)
(pounds)
(# AUs)
2,500
850
2,125
(days/year) (lb/AU-day)
365
8.7
(g)
date:
(h)
Manure Production
(j)
(j)
Manure Analysis
Daily
Annually
Total N
(lb./day)
tons/year
(lb/ton)
18,488
3,374
P2O5
(lb/ton)
(k)
(l)
Nutrients Produced
Total N
P2O5
(lb/year)
(lb/year)
Total N
# Animal Units:
Section 4 - Manure Production
2,125
Manure Produced, tons/year:
3,374
P2O5
Nutrients, lb/year:
Colorado CNMP Workshop
Step 6 - Get Manure Analysis
TABLE 4. Approximate nutrient composition of various types of animal manure
at the time of land application.*
Type of Manure
Solid Handling Systems
Moisture
Content
Total N
NH4-N**
P2O5
K2O
Swine
%
82
Beef
32
23*
7
24*
41
Dairy Cattle
46
13
5
16
34
Sheep
31
29
5
26
38
Chickens without litter
55
33
26
48
34
with litter
without litter
25
56
36
45
34
78
27
17
20
17
with litter
71
20
13
16
13
without bedding
22
19
4
14
36
Turkeys
Horses
-------------------------- lb./ton ---------------------------10
6
9
8
* Enter 23 LB.-N / ton in column (i) of Worksheet 1
** Enter 24 LB.-P2O5 / ton in column (j) of Worksheet 1
Section 4 - Manure Production
Colorado CNMP Workshop
Step 7 - Calculate Available Nutrients
Tons Manure x lb. - Nutrient / ton  lb. - Nutrient
3,374 tons 23 lb.  N 77,602 lb. - N
x

*
year
ton
year
3,374 tons 24 lb.  P2O5 80,976 lb. - P2O5
x

**
year
ton
year
* Enter in column (k) of Worksheet 1
** Enter in column (l) of Worksheet 1
Section 4 - Manure Production
Colorado CNMP Workshop
Worksheet 1. Solid Manure & Nutrient Inventory Worksheet
Facility Name:
Frank's Feedlot
Prepared by: JEA
(a)
Type
of
Livestock
Feeders, high energy
date:
(b)
Nov-00
Checked by:
(c)
(d)
(e)
(f)
Average
Animal
Period
Unit Waste
Number
Weight
Units
Confined
Production
(#)
(pounds)
(# AUs)
2,500
850
2,125
# Animal Units:
Section 4 - Manure Production
2,125
(days/year) (lb/AU-day)
365
8.7
(g)
date:
(h)
Manure Production
(j)
(j)
Manure Analysis
Daily
Annually
Total N
(lb./day)
tons/year
(lb/ton)
P2O5
(lb/ton)
18,488
3,374
23.0
24.0
Manure Produced, tons/year:
3,374
Nutrients, lb/year:
(k)
(l)
Nutrients Produced
Total N
P2O5
(lb/year)
(lb/year)
77,601
80,975
Total N
P2O5
77,601
80,975
Colorado CNMP Workshop
Example Calculation
Frank’s Dairy
•
•
•
•
•
300 Head Milk Cows @ 1,350 LB.s
90 Head Dry Cows @ 1,350 LB.s
40 Replacement Heifers @ 900 LB.s
2,000 gal. Wash water per day
200 LB.s hay bedding, 90 days per year
Section 4 - Manure Production
Colorado CNMP Workshop
Worksheet 1a. Solid Manure & Nutrient Inventory
Facility Name:
Frank's Dairy (example)
Prepared by: jea
(a)
Type
of
Livestock
(b)
date:
(c)
(d)
Average Animal
Number Weight
(#)
Units
11/23/00
Checked by:
(e)
(f)
Period
Unit Waste
(g)
Confined
Production
(pounds) (# AUs) (days/year) (lb/AU-day)
date:
(h)
Manure Production
(j)
(j)
(lb/ton)
P2O5
(lb/ton)
(k)
(l)
Nutrients Produced
Total N
P2O5
(lb/year) (lb/year)
Manure Analysis
Daily
Annually
Total N
(lb./day)
tons/year
Lactating Cows
300
1,350
405
365
18.5
7,493
1,367
13.0
16.0
17,776 21,878
Dry Cows
90
1,350
122
365
17.6
2,138
390
13.0
16.0
5,073
6,244
Repalcement Heifers
40
900
36
365
16.9
608
111
13.0
16.0
1,443
1,777
days/year
lb/day
tons/year
lb/ton
lb/ton
lb/year
lb/year
90
200
9
Total N
P2O5
Other Solid Wastes, (bedding, waste feed, etc.)
grass hay bedding
Total # Animal Units:
563
Manure Produced, tons/year:
1,878
Nutrients, lb/year:
24,293 29,899
Worksheet 1b. Liquid Manure, Process Wastewater & Nutrient Inventory
Source(s) of Other Process Wastewater
Milkhouse & holding area wash water
Total # Animal Units:
Section 4 - Manure Production
days/year
gallons / day
365.0
2000
Waste Volume, 1,000 Gal./year:
Total N
P2O5
1000 gal/year lb/1000 gal lb/1000 gal
730
730
5.0
2.0
Nutrients, lb/year:
lb/year
P2O5
lb/year
3,650
1,460
Total N
P2O5
3,650
1,460
Total N
Colorado CNMP Workshop
Example Calculation
Frank’s Feeder Pigs
•
•
•
•
•
2,400 finishers
Entry weight ~ 40 LB.
Exit weight ~ 260 LB.
On site 365 days per year
3,000 gal day flushing water into earthen
storage pond
Section 4 - Manure Production
Colorado CNMP Workshop
Worksheet 1b. Liquid Manure, Process Wastewater & Nutrient Inventory
Facility Name:
Frank's Feeder Pigs (example)
Prepared by: JEA
(a)
Type
of
Livestock
(b)
date:
(c)
(d)
Average Animal
Number Weight
(#)
feeder pigs
2,400
Units
Nov-00
Checked by:
(e)
(f)
Period
Unit Waste
(g)
Confined
Production
(pounds) (# AUs) (days/year) (gal/AU-day)
150
360
Source(s) of Other Process Wastewater
gutter flush water
Total # Animal Units:
360
Section 4 - Manure Production
365
date:
(h)
(k)
(l)
Nutrients Produced
Annually
Total N
P2O5
Total N
P2O5
(1000 gal/year) (lb/1000gal) (lb/1000gal) (lb/year) (lb/year)
Waste Production
Daily
(gal/day)
7.5
2,700
days/year
gallons / day
365
3,000
Waste Volume, 1,000 Gal./year:
986
(j)
(j)
Waste Analysis
36.0
1,000 gal/year lb/1000 gal
27.0
35,478
26,609
lb/1000 gal
lb/year
lb/year
Total N
P2O5
1,095
2,081
Nutrients, lb/year: 35,478
26,609
Colorado CNMP Workshop
Section 4 - Manure Production
Colorado CNMP Workshop