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 12.96
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -17.12 -0.375 6.41
Prot (kg) -9.07 -0.441 4.00
Fertility Sub Index 5.38
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 1.43 1.117 1.60
Calving Sub Index -1.76
Gestation Length (days) 1.92 -0.919 -1.76
Beef Sub Index -3.43
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 7.58 -0.432 -3.27
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 17.10

* Based on an €80/tonne carbon price