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 4.37
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -6.56 -0.375 2.46
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index 4.06
Calving Interval (days) -2.43 -1.459 3.55
Survival (%) 0.46 1.117 0.51
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.76
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) -1.15 -0.432 0.50
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 13.09

* Based on an €80/tonne carbon price