breedplan 30 years of taking the guess-work out of cattle ......system for beef cattle developed in...
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Breedplan – 30 years of taking the guess-work out of cattle breeding
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Common-sense cattle breeding*
1. Be knowledgeable and use good information
* Bourdon, R. M., (1997). Understanding Animal Breeding. Prentice Hall
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The National Beef Recording Scheme (NBRS)
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The National Beef Recording Scheme (NBRS)
1972 NBRS started (43 years). 1978 Bob Freer appointed as the first National Co-ordinator of the National Beef Recording Scheme Animal Genetic and Breeding Unit (AGBU) technical development Agricultural Business Research Institute (ABRI) commercialisation
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Breedplan
1982 Simmental breed produces first set of EBVs 1985 Breedplan introduced – BLUP technology (30 years) (Breedplan Group Breedplan Breedplan International) 1990s Selection Indices using Breedobject software NSW Agriculture and major breed societies extension role 2005 SBTS and NBTS formed – Breedplan extension 2011 Genomic enhanced EBVs
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Breedplan International – worlds most widely used genetic evaluation
system for beef cattle
Developed in Australia
Used by - 44 breeds
- 100 breed associations
- across 15 countries
Growth, carcase and fertility EBVs evaluated together in a multi trait model
Database of over 40 million animals
R and D budget A$20 million per year
Skinner S. (2012)
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Allen J. ABRI (2012)
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Allen J. ABRI (2012)
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Allen J. ABRI (2012)
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environment genetics
BreedPlan
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Estimated Breeding Values (EBV)
EBV = (weight of individual – ave. weight of group)
x heritability
= (380 – 350) x 0.3
= 30 x 0.3
= +9 kg
mob average single animal
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Estimated Breeding Values (EBV)
Increased accuracy – pedigree information
Initial Parents 200 day weight EBV av. EBV
calf A +9 +11 (12 and 10)
calf B +9 +3 (4 and 2)
2
+10
+7
New
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Initial Calf weight 200 day weight EBV at 400 days
Calf A +9 430 kg
Calf B +9 410 kg (group av 390 kg)
2
Estimated Breeding Values (EBV)
Increased accuracy – correlated trait information
+12
+8
New
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2015 (August) Hereford Group BREEDPLAN EBVs
Birth 200 day 400 day 600 day Mature Milk
weight growth growth growth weight kg kg kg kg kg kg
+4.9 +33 +59 +77 +61 +11
94% 91% 86% 89% 84% 79%
+ 4.3 +29 +47 +67 +63 +13
Rib Rump E.M.A. Retail Carcase I.M.F.
fat fat Beef Yield weight mm mm sq. cms % kg %
+0.1 +3.0 +0.4 -0.1 +31 +0.3
68% 73% 63% 71% 87% 72%
+0.3 +0.3 +2.7 +0.8 + 41 + 0.2
Gest. Calving Ease Days to Scrotal Docility
length Direct Daughters calving size days % % days cms
-1.7 -4.0 +2.1 -1.6 +1.0 +1.6
90% 49% 45% 75% 84% 58%
-0.1 -0.1 +1.0 -2.0 +1.6 +1.0
EBV
Acc
Ave
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Breedplan
New analysis run monthly (ILR2 software)
Angus, Red Angus, Devon, Charolais, Brahman, Brangus, Santa Gertrudis, Limousin, Droughtmaster, Murray Grey, Wagyu, Blonde d’Aquitaine, Hereford, South Devon
Other major breeds – 4 times a year
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2015 Breedobject $ Index
Angus Domestic Heavy Heavy
Breeding Index Grain Grass Index Index Index
Bull A +104 +80 +60 +78
Bull B +84 +64 +72 +58
Breed Ave +99 +99 +99 +99 (August 2015)
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https://abri.une.edu.au/online/cgi-bin/i4.dll?1=char&2=bavg
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http://www.angusaustralia.com.au/breedplan/199-relationship-between-traits.html?device=desktop
Genetic correlations (Australian Angus 2015)
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2010
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2010 2014
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Improving accuracy of breeding values with genomics
pedigree
measurements
(phenotype)
DNA
EBV
accuracy
GE EBV
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C A Future Direction 5321
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www.wyunapollherefords.com.au/images
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Structural soundness
Genetic differences in animals that have a desirable structure score
Expressed as the percentage more progeny with the desirable score
Scored by accredited scorer on cattle less than 750 days of age
Front and rear feet angle: 1(SA) – 9(SH) Bull A +30 Bull B -50
40% more progeny with desirable feet angle
SH SA
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Common-sense cattle breeding*
1. Be knowledgeable and use good information
2. Take time to think
3. Be consistent
4. Keep it simple
5. Be patient
* Bourdon, R. M., (1997). Understanding Animal Breeding. Prentice Hall
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‘Long gone were the days when the only criteria in cattle selection were “beautiful” cattle and pedigrees. With the introduction of BREEDPLAN in Namibia a new technological “quantum leap” has been made and breeders who have been involved in weighing and taking measurements with reliable record keeping over longer periods are now rewarded.’ Mecki Schneider “Namibian Master Farmer of the Year for 2000”
http://breedplan.une.edu.au/bpnews/bpn_2006/bpn_06.pdf
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