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 0.68
Milk (kg) -10.00 -0.014 0.14
Fat (kg) 1.70 -0.375 -0.64
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index -9.19
Calving Interval (days) 4.54 -1.459 -6.62
Survival (%) -2.30 1.117 -2.57
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index -1.87
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 4.58 -0.432 -1.98
Maintenance Sub Index Maint. Sub Index -2.76
Live WT (kg) 9.00 -0.307 -2.76
Total Carbon Sub Index -12.85

* Based on an €80/tonne carbon price