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 2.78
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -3.16 -0.375 1.18
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index 6.51
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 2.04 1.117 2.28
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.46
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.48 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 16.56

* Based on an €80/tonne carbon price