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 -4.47
Milk (kg) 124.00 -0.014 -1.74
Fat (kg) 11.26 -0.375 -4.22
Prot (kg) -3.37 -0.441 1.49
Fertility Sub Index -0.29
Calving Interval (days) 0.05 -1.459 -0.07
Survival (%) -0.19 1.117 -0.21
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.91
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 2.48 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index -4.78

* Based on an €80/tonne carbon price