Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 1.67
Milk (kg) -102.00 -0.014 1.43
Fat (kg) 0.85 -0.375 -0.32
Prot (kg) -1.27 -0.441 0.56
Fertility Sub Index 7.54
Calving Interval (days) -3.96 -1.459 5.78
Survival (%) 1.58 1.117 1.77
Calving Sub Index -2.95
Gestation Length (days) 3.21 -0.919 -2.95
Beef Sub Index -5.77
Carcass Weight (kg) 11.90 -0.528 -6.28
Age of Slaughter (days) -1.17 -0.432 0.51
Maintenance Sub Index Maint. Sub Index -8.25
Live WT (kg) 26.90 -0.307 -8.25
Total Carbon Sub Index -7.75

* Based on an €80/tonne carbon price