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 10.44
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -11.06 -0.375 4.14
Prot (kg) -9.47 -0.441 4.18
Fertility Sub Index 7.64
Calving Interval (days) -4.57 -1.459 6.67
Survival (%) 0.87 1.117 0.97
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index 0.03
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 21.37

* Based on an €80/tonne carbon price