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 3.43
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -3.24 -0.375 1.21
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index 1.91
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 0.34 1.117 0.38
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.23
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 7.16

* Based on an €80/tonne carbon price