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 4.19
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -1.19 -0.375 0.45
Prot (kg) -3.76 -0.441 1.66
Fertility Sub Index 4.07
Calving Interval (days) -1.57 -1.459 2.29
Survival (%) 1.59 1.117 1.78
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index -1.16
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 8.06 -0.432 -3.48
Maintenance Sub Index Maint. Sub Index 7.69
Live WT (kg) -25.10 -0.307 7.69
Total Carbon Sub Index 15.58

* Based on an €80/tonne carbon price