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 6.39
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -7.67 -0.375 2.87
Prot (kg) -6.28 -0.441 2.77
Fertility Sub Index -0.45
Calving Interval (days) 0.33 -1.459 -0.48
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.09
Gestation Length (days) 0.10 -0.919 -0.09
Beef Sub Index -0.78
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 3.04 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 0.06
Live WT (kg) -0.20 -0.307 0.06
Total Carbon Sub Index 5.12

* Based on an €80/tonne carbon price