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 -11.64
Milk (kg) 354.00 -0.014 -4.96
Fat (kg) 6.51 -0.375 -2.44
Prot (kg) 9.62 -0.441 -4.25
Fertility Sub Index -1.12
Calving Interval (days) 1.28 -1.459 -1.87
Survival (%) 0.67 1.117 0.75
Calving Sub Index 2.62
Gestation Length (days) -2.85 -0.919 2.62
Beef Sub Index -0.09
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index -3.89
Live WT (kg) 12.70 -0.307 -3.89
Total Carbon Sub Index -14.12

* Based on an €80/tonne carbon price