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 6.46
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -4.26 -0.375 1.60
Prot (kg) -5.91 -0.441 2.61
Fertility Sub Index 19.06
Calving Interval (days) -9.10 -1.459 13.28
Survival (%) 5.18 1.117 5.79
Calving Sub Index 1.07
Gestation Length (days) -1.16 -0.919 1.07
Beef Sub Index -1.04
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 0.69 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 27.09

* Based on an €80/tonne carbon price