Proceedings of the 2015 Interbull meeting, Orlando, Florida, July 09-12, 2015201

Aamand, G. P.

Eriksson, J.-Å.

Lidauer, M. H.

Muuttoranta, K.

Mäntysaari, E. A.

Nielsen, U. S.

Pösö, J.

Tyrisevä, A.-M.

Lidauer, M.

Jukuri

© Natural Resources Institute Finland  atural esources Institute Finland K.Muuttoranta1, A-M. Tyrisevä1, E.A. Mäntysaari1, J.Pösö2, G.P. Aamand3, J-Å. Eriksson4,  U.S. Nielsen5, and M. Lidauer1  1 Natural Resources Institute Finland, 2 Faba Co-op, 3 Nordic Cattle Genetic Evaluation,  4 Växa Sweden; 5 SEGES Cattle Genetic parameters  for female fertility in Nordic dairy cattle 2015 Interbull Annual Meeting, Orlando © Natural Resources Institute Finland Background Nordic Cattle Genetic Evaluation  – Sweden, Finland and Denmark  The fertility model implemented in 2003 is under updating    - first update May 2015: from sire model to           multi-lactation multi-trait animal model    - second update in 2016: revision of model effects and     variance components  Updated VCE with correlations needed       2 © Natural Resources Institute Finland Sampled data Holstein and Nordic Red Dairy Cattle (RDC)    400 herds in Sweden with minimum 12 (8) first-calvers / year     Years 1995 – 2011              HOL    RDC Females with records     144 392     103 653 Sires with daughters       14 111        10 397 © Natural Resources Institute Finland Sampled data, traits 1. non-return rate in 56 days [0 or 100]     NRR0, NRR1, NRR2, NRR3    (heifers,    1st,       2nd   and  3rd parity)   2. interval from the first to the last service [days]     IFL0, IFL1, IFL2, IFL3    (per parity)   3. interval from calving to the first service [days]     ICF1, ICF2, ICF3    (per parity)  4 20.7.2015 © Natural Resources Institute Finland Models Multivariate, multilactation sire model  – 11 traits; heifers + cows (1. – 3. parities)   Fixed effects: 1) herd*birth year (heifers) or herd*actual calving year (cows)  2) insemination year-month (for NRR and IFL) or          actual calving year-month (for ICF) 3) heifers’ first insemination age    EM-REML, MiX99  (MiX99 Development Team, 2015, Luke, http://www.luke.fi/mix99;    Matilainen, Mäntysaari, Lidauer, Strandén & Thompson, 2012)  5 © Natural Resources Institute Finland Results (1): heritabilities 6 © Natural Resources Institute Finland 7 NRR0 IFL0 NRR1 ICF1 IFL1 NRR2 ICF2 IFL2 NRR3 ICF3 IFL3 NRR0 0.007 -0.75 0.74 0.10 -0.30 0.68 0.10 -0.21 0.44 0.14  -0.27 IFL0 -0.44 0.011 -0.57 0.15 0.47 -0.54 0.05 0.40 -0.36 0.04 0.43 NRR1 0.02 -0.01  0.012  0.29  -0.52  0.88 0.19  -0.48  0.78  0.19  -0.48 ICF1 0.01 0.01 0.03  0.056 0.50 0.38  0.91  0.44  0.48  0.87  0.45 IFL1 -0.02 0.03 -0.30 0.00  0.038  -0.39  0.64  0.97  -0.29  0.65 0.93 NRR2 0.01 -0.01 0.03 0.02 -0.01 0.012 0.29 -0.40 0.87 0.31  -0.39 ICF2 0.01 0.01 0.01 0.13 0.09 0.04  0.058  0.61  0.40  0.96 0.61 IFL2 -0.01 0.03 -0.04 0.04 0.09 -0.29 -0.01  0.041  -0.30  0.64 0.91 NRR3 0.01 0.00 0.03 0.03 -0.02 0.03 0.02 -0.01  0.013  0.42 -0.35 ICF3 0.00 0.02 0.00 0.09 0.06 0.02 0.15 0.09 0.05 0.068 0.63 IFL3 -0.02 0.03 -0.03 0.04 0.08 -0.03 0.05 0.10 -0.29 -0.02  0.044 Holstein: h2 NRR: .01 IFL:    0.01 - 0.04 ICF:   0.06 - 0.07  © Natural Resources Institute Finland 8 NRR0 IFL0 NRR1 ICF1 IFL1 NRR2 ICF2 IFL2 NRR3 ICF3 IFL3 NRR0 0.008 -0.90 0.52 0.18 -0.29 0.23 0.02 -0.06 0.51 0.14  -0.42 IFL0 -0.50 0.014 -0.48 0.06 0.51 -0.25 0.18 0.33 -0.57 0.16 0.67 NRR1 0.02 -0.01  0.010  0.15  -0.58  0.76 -0.11  -0.35  0.75  0.03  -0.42 ICF1 0.02 -0.01 0.03  0.049 0.55 0.14  0.88  0.61  -0.10  0.87  0.52 IFL1 -0.02 0.03 -0.35 -0.01  0.022  -0.55  0.62  0.88  -0.67  0.66 0.91 NRR2 0.01 -0.02 0.02 0.02 -0.02 0.007 -0.05 -0.56 0.57 -0.14  -0.45 ICF2 0.01 0.00 0.01 0.10 0.05 0.05  0.026  0.66  -0.17  0.86 0.54 IFL2 -0.01 0.02 -0.03 0.03 0.06 -0.35 -0.03  0.032  -0.46  0.81 0.86 NRR3 0.01 -0.01 0.02 0.00 -0.02 0.03 0.02 -0.03  0.008  -0.13 -0.66 ICF3 0.00 0.02 0.00 0.09 0.06 0.02 0.15 0.09 0.05 0.034 0.63 IFL3 -0.01 0.02 -0.03 0.04 0.06 -0.04 0.04 0.10 -0.34 -0.03  0.042 RDC: h2 NRR: 0.01 IFL:    0.01 - 0.04 ICF:   0.03 - 0.05  © Natural Resources Institute Finland Results (2):  Genetic correlations within traits Within traits genetic correlations ranged from moderate to high across the different parities     9 © Natural Resources Institute Finland 10 NRR0 IFL0 NRR1 ICF1 IFL1 NRR2 ICF2 IFL2 NRR3 ICF3 IFL3 NRR0 0.01 -0.75 0.74 0.10 -0.30 0.68 0.10 -0.21 0.44 0.14  -0.27 IFL0 -0.44 0.01 -0.57 0.15 0.47 -0.54 0.05 0.40 -0.36 0.04 0.43 NRR1 0.02 -0.01  0.01  0.29  -0.52  0.88 0.19  -0.48  0.78  0.19  -0.48 ICF1 0.01 0.01 0.03  0.06 0.50 0.38  0.91  0.44  0.48  0.87  0.45 IFL1 -0.02 0.03 -0.30 0.00  0.04  -0.39  0.64  0.97  -0.29  0.65 0.93 NRR2 0.01 -0.01 0.03 0.02 -0.01 0.01 0.29 -0.40 0.87 0.31  -0.39 ICF2 0.01 0.01 0.01 0.13 0.09 0.04  0.06  0.61  0.40  0.96 0.61 IFL2 -0.01 0.03 -0.04 0.04 0.09 -0.29 -0.01  0.04  -0.30  0.64 0.91 NRR3 0.01 0.00 0.03 0.03 -0.02 0.03 0.02 -0.01  0.01  0.42 -0.35 ICF3 0.00 0.02 0.00 0.09 0.06 0.02 0.15 0.09 0.05 0.07 0.63 IFL3 -0.02 0.03 -0.03 0.04 0.08 -0.03 0.05 0.10 -0.29 -0.02  0.04 Holstein: h2 diagonal, rg upper triangle, rp lower triangle  © Natural Resources Institute Finland Non-return rate, genetic correlations across parities in Holstein 11 20.7.2015   NRR1 NRR2 NRR3 NRR0 0.74 0.68 0.44 NRR1 0.88 0.78 NRR2   0.87 In RDC the correlations ranged between 0.23 – 0.76 © Natural Resources Institute Finland Interval from first to last service, genetic correlations across parities in Holstein 12 20.7.2015   IFL1 IFL2 IFL3 IFL0 0.47 0.40 0.43 IFL1 0.97 0.93 IFL2   0.91 In RDC the correlations ranged between 0.33 – 0.91 © Natural Resources Institute Finland Interval from calving to the first service, genetic correlations across parities in Holstein 13 20.7.2015   ICF2 ICF3 ICF1 0.91 0.87 ICF2 0.96 In RDC the correlations ranged between 0.86 – 0.88 © Natural Resources Institute Finland Results (3): Genetic correlations between the traits Between traits correlations ranged widely; the highest values were estimated within lactations 14 © Natural Resources Institute Finland Genetic correlations between traits in Holstein 15 20.7.2015   IFL0 NRR1 IFL1 ICF1 NRR0 -0.75 0.74 -0.30 0.10 IFL0   -0.57 0.47 0.15 NRR1     -0.52 0.29 IFL1       0.50 NRR and IFL in heifers had a stronger correlation than  NRR0 and IFL in later parities © Natural Resources Institute Finland Genetic correlations between traits in Holstein 16 20.7.2015   IFL0 NRR1 IFL1 ICF1 NRR0 -0.75 0.74 -0.30 0.10 IFL0   -0.57 0.47 0.15 NRR1     -0.52 0.29 IFL1       0.50 Unfavorable correlation between NRR and ICF  © Natural Resources Institute Finland Genetic correlations between traits in Holstein 17 20.7.2015   IFL0 NRR1 IFL1 ICF1 NRR0 -0.75 0.74 -0.30 0.10 IFL0   -0.57 0.47 0.15 NRR1     -0.52 0.29 IFL1       0.50 Positive correlations between interval traits  © Natural Resources Institute Finland Genetic correlations between traits in Holstein 18 20.7.2015   IFL0 NRR1 IFL1 ICF1 NRR0 -0.75 0.74 -0.30 0.10 IFL0   -0.57 0.47 0.15 NRR1     -0.52 0.29 IFL1       0.50 In RDC the differences compared to HOL spanned from 3 to 20 %  in NRR and in IFL ; and in ICF1 from 10 to 80 % © Natural Resources Institute Finland Results (4): Phenotypic correlations  Estimated phenotypic correlations  were low as expected   exception: NRR and IFL had a  moderate negative correlation  within parities   19 © Natural Resources Institute Finland 20 NRR0 IFL0 NRR1 ICF1 IFL1 NRR2 ICF2 IFL2 NRR3 ICF3 IFL3 NRR0 0.01 -0.75 0.74 0.10 -0.30 0.68 0.10 -0.21 0.44 0.14  -0.27 IFL0 -0.44 0.01 -0.57 0.15 0.47 -0.54 0.05 0.40 -0.36 0.04 0.43 NRR1 0.02 -0.01  0.01  0.29  -0.52  0.88 0.19  -0.48  0.78  0.19  -0.48 ICF1 0.01 0.01 0.03  0.06 0.50 0.38  0.91  0.44  0.48  0.87  0.45 IFL1 -0.02 0.03 -0.30 0.00  0.04  -0.39  0.64  0.97  -0.29  0.65 0.93 NRR2 0.01 -0.01 0.03 0.02 -0.01 0.01 0.29 -0.40 0.87 0.31  -0.39 ICF2 0.01 0.01 0.01 0.13 0.09 0.04  0.06  0.61  0.40  0.96 0.61 IFL2 -0.01 0.03 -0.04 0.04 0.09 -0.29 -0.01  0.04  -0.30  0.64 0.91 NRR3 0.01 0.00 0.03 0.03 -0.02 0.03 0.02 -0.01  0.01  0.42 -0.35 ICF3 0.00 0.02 0.00 0.09 0.06 0.02 0.15 0.09 0.05 0.07 0.63 IFL3 -0.02 0.03 -0.03 0.04 0.08 -0.03 0.05 0.10 -0.29 -0.02  0.04 Holstein: phenotypic correlations (h2 on diagonal) © Natural Resources Institute Finland Conclusions Heritability estimates were low    - lowest for NRR (~0.01)    - highest for ICF in HOL (0.06 – 0.07)    - between breed largest difference in heritability       was found for ICF  Genetic correlation estimates ranged from moderate to high within traits (across parities)  -> parities should be modelled as different traits    Between different traits the genetic correlations were moderate  Correlation structure similar between HOL and RDC    The VC can be used for the fertility traits  in the updated model 21 © Natural Resources Institute Finland kirsi.muuttoranta@luke.fi Thank you for your time!  

Genetic parameters for female fertility in Nordic dairy cattle

Genetic parameters for female fertility in Nordic dairy cattle

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