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 4.83
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -2.81 -0.375 1.05
Prot (kg) -5.64 -0.441 2.49
Fertility Sub Index -9.89
Calving Interval (days) 5.15 -1.459 -7.51
Survival (%) -2.13 1.117 -2.38
Calving Sub Index 0.34
Gestation Length (days) -0.37 -0.919 0.34
Beef Sub Index 0.56
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.38 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index -3.57

* Based on an €80/tonne carbon price