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 3.95
Milk (kg) -243.00 -0.014 3.40
Fat (kg) -0.16 -0.375 0.06
Prot (kg) -1.11 -0.441 0.49
Fertility Sub Index 4.90
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) 0.81 1.117 0.90
Calving Sub Index 1.50
Gestation Length (days) -1.63 -0.919 1.50
Beef Sub Index 1.14
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.30 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index 9.96

* Based on an €80/tonne carbon price