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 4.38
Milk (kg) 4.00 -0.014 -0.06
Fat (kg) -7.71 -0.375 2.89
Prot (kg) -3.51 -0.441 1.55
Fertility Sub Index 6.46
Calving Interval (days) -3.90 -1.459 5.69
Survival (%) 0.69 1.117 0.77
Calving Sub Index -0.52
Gestation Length (days) 0.57 -0.919 -0.52
Beef Sub Index 0.16
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.69 -0.432 -1.16
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 16.58

* Based on an €80/tonne carbon price