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 -5.01
Milk (kg) 19.00 -0.014 -0.27
Fat (kg) 7.32 -0.375 -2.74
Prot (kg) 4.53 -0.441 -2.00
Fertility Sub Index 5.16
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) 1.09 1.117 1.22
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.03
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 8.58

* Based on an €80/tonne carbon price