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Genetic improvement Benefits for commercial producers Dr Michael Bradfield BREEDPLAN SA.
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Transcript of Genetic improvement Benefits for commercial producers Dr Michael Bradfield BREEDPLAN SA.
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Genetic improvementBenefi ts for commercial producers
Dr Michael BradfieldBREEDPLAN SA
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World meat production and trade
Source: FAPRI, 2010
3
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2001 Chicken Genetics
1957 Chicken Genetics
Day 43 Day 57 Day 71 Day 85
This was Achieved by Maximising Genetic Progress! (n0 hormones!)
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Value of genetic improvement to South African beef herd
RSA R40After 10 years
4.50 Billion Rand
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In France, like much of Europe, many of the breed societies have become very weak and have very little influence on the industry.
Vincent Ducrocq (ARC 20/02/2012)
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+5kg+3kg
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- 6 days
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EMA RBY+ 3.8 1.6
-3.5 -1.5--------------------7.2cm 3.1%
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?
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WHAT IS GENETIC PROGRESS ?
The formula is:
R = S x h²
L
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Brahman Extensive Rangeland Grassfed Index
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Namibian Extensive Rangeland Grassfed Index
Objectives
Steers finished on grass (30 months).
460-500 kg live weight.
P8 Fat 10 mm.
Daughters retained for breeding
Reduce cow size.
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+50$
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Brahman International Genetic Evaluation
Selecting suitable genetics “across country borders”:
Breeders can benchmark their own herd genetics to other genetics around the world on a common base
Opportunities of a wider gene pool:
- potential for accelerating rate of genetic improvement
- marketing genetics on a common base
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Brahman Performance Records AvailableAUSTRALIA USA SOUTH AFRICA NAMIBIA TOTAL
GESTATION LENGTH
- - 404 763 1167
BIRTH WEIGHT 16,649 109,110 135,111 37,393 298,263
200 DAY WEIGHT* 187,534 106,592 106,827 36,246 437,199
400 DAY WEIGHT* 91,834 24,001 60,784 26,753 203,372
600 DAY WEIGHT* 100,363 - 51,437 25,029 176,829
MATURE WEIGHT* 10,881 - 15,042 9,205 35,128
RIB FAT SCAN 12,044 1,160 935 6,577 20,716
EMA SCAN 14,281 1,161 930 6,564 22,936
CARCASE WEIGHT
2,396 2,020 - - 4,416
SHEAR FORCE - 1,954 - - 1,954
GENESTAR TENDERNES
- 659 - - 659
SCROTAL SIZE 21,088 2,318 7,671 2,698 33,775
DAYS-TO-CALVING*
35,585 - - - 35,585
TOTAL NO. OF RECORDS
492,655 248,975 379,141 151,228 1,271,999
% OF RECORDS 38.7 19.6 29.8 11.9 100
*These numbers may include repeat measures on the same animals.
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By undertaking this project Brahman would become the first Bos indicus breed to commission an international genetic evaluation.
This should assist Brahman to increase its market share of genetics - particularly to developing country projects.
It needs to be accepted from the outset that while the international evaluation will be more informative than national evaluations - there will be winners and losers. That is part of the price of progress.
Other Considerations
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Stud Industry
Put the interests of your
commercial clients FIRSTby selecting animals that
make commercial producers more
MONEY
Lets be courageous, roll up our sleeves, and do it!