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You might consider feeding your cows supplement feed at different times of the year. Feed quality (kilograms of dry matter) is the most common way of measuring feed. We often talk about the cost of purchased feeds on a kilograms of dry matter basis. An equally, if not more important measure is feed "quality". Feed "quality" is the energy value of feed. It is measured by the amount of usable or metabolisable energy (ME) in a given weight of feed. In New Zealand the energy value of feed is referred to as the megajoules of metabolisable energy per kilogram of dry matter (MJME/kg DM) or M/D for short. |
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The higher the M/D value the better the feed. For example autumn grass, with a M/D value of 11 has a higher energy value per kg dry matter than good meadow hay with a M/D value of 8.
|
DM |
ME |
CP |
NDF |
SSS |
Starch |
Fat |
|
|
% |
ME/kgDM |
%DM |
%DM |
%DM |
%SSS |
% |
|
|
PASTURE Ryegrass/white clover dominant. North Is and dryland South Is |
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Pasture, spring |
12-15 |
11.5-12.5 |
20-30 |
35-45 |
7-25 |
2-4 |
4-6 |
|
Pasture, summer |
15-20 |
9.5-10.5 |
14-22 |
42-52 |
7-25 |
2-4 |
3-5 |
|
Pasture, sum dry |
20-30 |
9.0-10.0 |
9-14 |
52-65 |
7-15 |
2-4 |
2-4 |
|
Pasture, aut/winter |
13-18 |
11.0-11.5 |
15-20 |
40-47 |
7-25 |
2-4 |
3-5 |
|
SILAGE |
DM | ME | CP | NDF | SSS | Starch | Fat |
| % |
ME/kgDM | %DM |
%DM |
%DM |
%SSS |
% |
|
|
Pasture, good |
30-35 |
11.0 |
17.0 |
45-50 |
3-5 |
7 |
3.0 |
|
Pasture, poor |
33-40 |
9.0 |
12-14 |
53-57 |
3-5 |
8 |
3.1 |
|
Baleage |
35-45 |
9.5-11.0 |
12-17 |
50-55 |
5-10 |
2-4 |
3.0 |
|
Barley |
30-35 |
9.0 |
11.0 |
52-60 |
20 |
100 |
2.9 |
|
Lucerne |
30-50 |
9.0-11.0 |
19-23 |
36-48 |
4-6 |
1-3 |
|
|
Maize, high grain |
33-38 |
10.8-11.0 |
8.0 |
42-45 |
35 |
75-80 |
3.1 |
|
Maize, low grain |
28-40 |
10.0-10.5 |
8.0 |
45-50 |
30 |
70-80 |
3.1 |
|
Pea |
33 |
9.0-9.5 |
13-16 |
59 |
20 |
35 |
3.3 |
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Whole crop Silage 1/ |
35-40 |
9.0-10.5 |
8.0-9.0 |
55-60 |
16-30 |
75-80 |
3-6 |
|
HAY |
DM | ME | CP | NDF | SSS | Starch | Fat |
| % |
ME/kgDM | %DM |
%DM | %DM | %SSS |
% |
|
|
Pasture, good |
85 |
9-10 |
15-20 |
50-58 |
10-15 |
2-4 |
2.6 |
|
Pasture, poor |
85 |
7-8 |
5-10 |
60-70 |
5-10 |
2-4 |
2.6 |
|
Barley straw |
87 |
6-7 |
4-5 |
80 |
5-8 |
100 |
1.9 |
|
Pea straw |
85 |
7-8 |
6 |
59 |
- |
- |
- |
|
Wheat straw |
89 |
6-7 |
3-4 |
79 |
7-9 |
100 |
1.8 |
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GRAZED CROPS1/ |
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|
Kale |
11-15 |
11.0-13.5 |
12-18 |
20-35 |
35-40 |
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Swedes |
9-12 |
11.0-13.0 |
12-20 |
16-30 |
45-50 |
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Turnips |
9-11 |
12.0 |
12-18 |
27 |
17 |
10 |
2 |
| CONCENTRATE |
DM |
ME |
CP |
NDF |
SSS |
Starch |
Fat |
|
% |
ME/kgDM |
%DM |
%DM |
%DM |
%SSS |
% |
|
| Barley |
86-89 |
13.0 | 11-12 | 16-21 | 60 | 90 | 2.0 |
| Bran (wheat) |
89 | 10.0 | 17 | 51 | 20 | 95 | 4.4 |
|
Maize grain |
87-89 |
13.5 |
8 |
9 |
75 |
99 |
4.3 |
|
Oats |
89 |
11.5 |
13 |
31 |
48 |
90 |
4.9 |
|
Peas |
87 |
13.0 |
24 |
23 |
46 |
- |
1.8 |
|
Soya bean meal |
90 |
12.5 |
47-53 |
15 |
27 |
90 |
1.5 |
|
Wheat |
86-89 |
13-13.5 |
13 |
11-14 |
70 |
90 |
1.5-2.0 |
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BY PRODUCTS |
DM | ME | CP | NDF | SSS | Starch | Fat |
| % |
ME/kgDM |
%DM |
%DM |
%DM |
%SSS |
% |
|
|
Apple pomace |
22 |
10.5 |
5.4 |
41 |
44.0 |
100 |
4.7 |
|
Brewers grains |
20-25 |
10.5 |
20-25 |
55 |
11.2 |
100 |
7.3-8.0 |
|
Broll (Wheat midds) |
85 |
10.5 |
11-14 |
12 |
22 |
90 |
5.0 |
|
Carrots |
12-13 |
13.0 |
9-10 |
20 |
40 |
25 |
|
|
Fishmeal |
92 |
11.7 |
70-73 |
2 |
0 |
0 |
10.5 |
|
Kiwifruit ripe
|
14 |
12.0-12.5 |
12-17 |
20 |
50 |
2-4 |
3.0 |
| Kiwifruit (hard) |
20 |
12.0-12.5 |
6-10 |
25 |
30 |
2.0 | 3.0 |
|
Molasses |
75 |
11.6 |
4-6 |
0 |
65 |
0 |
0 |
|
Palm Kernel Extract |
90 |
11.0 |
14.0 |
70 |
5 |
8.0 |
|
|
Potatoes |
20 |
13.0 |
11.0 |
5 |
77.2 |
100 |
0.4 |
|
Proliq |
32-40 |
9.0-11.2 |
contact supplier |
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Sweetcorn silage |
20 |
9.5-10.5 |
8 |
40 |
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|
Tallow |
99 |
38 |
0 |
0 |
0 |
0 |
99.0 |
|
Tapioca |
88 |
12.5 |
3 |
15 |
65-70 |
90 |
1.0 |
|
Urea |
99 |
0.0 |
281 |
0 |
0 |
0 |
0 |
