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Economics of breeders |
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Cows 650kg |
8 dorpers@ 70kg ea 560kg |
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Assuming 1 steer ea 12mths |
Assuming 1 lamb per ewe ea 8mths |
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2 calfs |
24 lambs |
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@$636 |
@$95 |
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$1272 |
$2280 |
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80% Better return using Dorpers on the same country with more flexibility |
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Dorpers Come Into Their Own
The Dorper breed as we know it today has begun to make inroads into traditional wool and prime lamb production areas and prime lamb markets. Critiscised by many for their contamination risk and 'written off' simply as a passing fad, the breed today is proving its value as a low input, Low cost, profitable alternative to traditional systems.
Following is an updated Gross Margin analysis comparing terminal sire over merino and 1st cross ewes to that of a full shedding Dorper enterprise.
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Term/Merino |
2nd Cross |
Dorper |
| Micron and average cut |
21 |
5.7kg |
28 |
4.5kg |
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| Wool Price (clean/greasy) |
725c |
508c |
550c |
314c |
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| Ewe live weight/DSE rating |
50 |
2.3DSE |
65 |
.2.6DSE |
65 |
2.6DSE |
| Lambing/Weaning percent |
95% |
85% |
125% |
115% |
130% |
120% |
| Replacement ewe and ram cost |
$90 |
$750 |
$110 |
$650 |
$750 |
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| Lamb Returns |
$90 |
$102.50 |
$90 |
$102.50 |
$90 |
$102.50 |
| ($90= all sold as trade weights,$102.50 =half sold as trade, half as export weights) |
| Gross Margin/Ewe |
$73.37 |
$83.60 |
$73.21 |
$80.60 |
$92.08 |
$99.58 |
| Gross Margin/DSE |
$31.90 |
$36.35 |
$28.16 |
$33.31 |
$35.42 |
$38.30 |
| % Wool Income vs Lamb Income |
33/67% |
12/88% |
0/100% |
| (The Dorper enterprise sold fewer trade or export grade lambs as the ewe portion were sold as replacement breeders for $120/hd) |
Lifetime Lamb Production Per Ewe
| Lambing |
1st |
2nd |
3rd |
4th |
5th |
6th |
7th |
8th |
9th |
|
| Ewe Age (Years) |
1 |
1.66 |
2.33 |
3 |
3.66 |
4.33 |
5 |
5.66 |
6.33 |
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Lambs Produced
@1.2 per lambing |
0.8 |
1.2 |
1.2 |
1.2 |
1.2 |
1.2 |
1.2 |
1.2 |
1.2 |
=10.4Lambs |
Lambs Produced
@1.4 per lambing |
0.9 |
1.4 |
1.4 |
1.4 |
1.4 |
1.4 |
1.4 |
1.4 |
1.4 |
=12.1Lambs |
Comparative Dorper Ewe Carrying Capacity
Comparative Dorper Ewe Lamb Production Capacity Per DSE
Dorper Gross Margins - Per DSE
Based on results shown by Geoff Duddy " Dorpers Come Into Their Own"
All Results are based on slaughter lambs sold @ $90 and Dorper ewe lambs sold as breeders @ $120
| Duddy Results |
Merino/Term Sire |
BL/Mer/Term Sire |
Dorper |
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31.90 |
28.16 |
35.42 |
| Assumption Variations |
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| 1. Better feed conversion ratio eg. 2.1DSE |
43.85 |
| 2. 8 Monthly lambings @ 110% |
48.71 |
| 3. Ewe lamb price $140 |
40.04 |
| 4. 8 monthly joinings @133 1/3% |
59.99 |
| 5. 8 month joinings 133 1/3% + ewe lambs @140 |
68.00 |
Note: These results do not take into account factors such as higher costs for production or likely lower ewe numbers for more frequent joinings
Dorpers Come Into Their Own, With:
- Continued Low Wool Return
- Low skin values
- Increasing production costs
- High shearing, crutching etc costs
- Concerns with OH&S issues
- Repair and maintenance costs for shearing sheds, etc
- Increasing demand for lamb and sheep meat internationally
The Dorper is well positioned to increase in popularity and numbers Australia wide!
Please feel free to contact us on any of the above issues including values used,and generated,in the Gross Margin Analysis Results Shown.
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